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CERN Courier September 2015 Faces & Places

C O - O P E r a t i O N Unprecedented Sri Lanka strengthens partnership with CERN speed, resolution CERN and Sri Lanka have formed a Ravinatha partnership with the aim of formalizing Aryasinha, and broadening their co-operation. To this left, and Rolf end, CERN’s director-general, Rolf Heuer, Heuer, signing and channel density. and Sri Lanka’s permanent representative the expression at the United Nations in , Ravinatha of interest. Aryasinha, signed an expression of interest (Image credit: on 25 June 2015. CERN- The agreement incorporates Sri Lanka in PHOTO- CERN’s High School Teachers and Summer 201506-146-7.) Keysight M9709A 8-bit High-Speed Digitizer Student programmes. It also aims at preparing 32 channels, 16 ch. (interleaved) a platform that will allow more scientists from Sri Lanka to participate in CERN’s 1 - 2 GS/s cutting-edge research programmes. Several DC to 300 MHz or DC to 500 MHz scientists from Sri Lankan universities have countries. To allow for broader and more Sri Lanka is the most recent Asian already participated in LHC experiments sustained participation, discussions have country to have strengthened its partnership within frameworks such as sabbatical leave, begun on forming a “cluster” of Sri Lankan with CERN. Others include those as diverse while others have participated as visiting universities and research institutes with the as Bangladesh, Thailand, Indonesia and scientists employed by universities in other aim of joining one of the LHC collaborations. Mongolia.

a P P O i N t M E N t Amber the hardware computing systems for the Amber Boehnlein Boehnlein. high-energy programme. Prior to (Image her time at SLAC, she served a three-year takes charge of credit: assignment as the US Department of Energy’s Jefferson Offi ce of High Energy Physics programme Lab.) manager for the US Keysight AXIe high-speed digitizers provide the ideal solution for advanced IT at Jefferson Lab Detector Operations programme. experiments in hydrodynamics, plasma fusion, and . Build a large Having gained a PhD in physics in 1990 Keysight M9703A 12-bit High-Speed Digitizer number of synchronous acquisition channels in the smallest footprint – simply Amber Boehnlein is the new chief at Florida State University, Boehnlein information offi cer (CIO) at Jefferson was a member of the DØ collaboration at 8 channels, 4 ch. (interleaved) by populating a chassis with your choice of digitizers. With unprecedented Lab. As CIO, she is responsible for the Fermilab from 1991 to 2013, and served as 1 - 2 GS/s or 1.6 - 3.2 GS/s measurement fidelity, advanced IP design and on-board real-time data processing Information Technology (IT) Division as the collaboration’s computing and software DC to 650 MHz or DC up to 2 GHz these digitizers bring new research insight within reach. well as the IT systems, including scientifi c co-ordinator from 1999 to 2006. As a data analysis, high-performance computing, SLAC from 2011. At SLAC she gained staff scientist in the Computing Division IT infrastructure and cyber security. expertise in computational physics relevant at Fermilab, she was responsible for the Boehnlein arrived at Jefferson Lab in to light sources and large-scale databases computing and application support for all June, having led the Computing Division at for astrophysics, as well as overseeing Fermilab-based experiments.

a W a r D s CERN receives Hermes Innovation award

CERN’s leading role in international who supports human ventures. scientifi c co-operation has been recognized ● For more about the event, see www. with a 2015 Hermes Innovation award. The rencontre-innovation.com/. European Institute for Creative Strategies Discover how to simplify your high-speed, and Innovation makes the awards for Frédérick Bordry, centre with the Hermes multichannel acquisition system “humanistic innovation” annually to selected award, Marc Giget, right, and Sylvie organizations and companies that have Borzakian, left, respectively, founder/ www.keysight.com/find/physicsaxie excelled in offering more satisfaction to president and director of the Club de Paris society through their products and services. des Directeurs de l'Innovation and the The awards, which are linked to up to eight European Institute for Creative Strategies themes, are named after Hermes – in Greek and Innovation. (Image credit: M Iesci/ © Keysight Technologies, Inc. 2015 mythology an ingenious and inventive god Hermes Award.)

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Keysight_HSD_AXle_PE_CERN.indd 1 05/05/2015 18:06 CERNCOURIER www. V o l u m e 5 5 N u m b e r 7 S e p t e m b e r 2 0 1 5 CERN Courier September 2015 CERN Courier September 2015 Faces & Places Faces & Places Silicon Drift Detectors • Solid State Design • Easy to Use Philippe Lebrun Della Negra and Virdee receive IOP recognizes • Low Cost honoured by the awards for leadership work in FAST SDD® cryogenic deep-inelastic Count Rate = >1,000,000 CPS The “founding fathers” of CMS, Michel Resolution Peaking Time community Della Negra of CERN and now Imperial scattering 125 eV FWHM 4 µs College, and of Imperial 130 eV FWHM 1 µs College, have been awarded, respectively, the 140 eV FWHM 0.2 µs CERN’s Philippe Lebrun has received the 2014 André Lagarrigue Prize and the 2015 For distinguished work in particle physics, 160 eV FWHM 0.05 µs prestigious Samuel C Collins Award from Glazebrook Prize. Amanda Cooper-Sarkar of Oxford the Cryogenic Engineering Conference. Della Negra is cited as “a leader University has been awarded the IOP’s Amanda Cooper-Sarkar receives the IOP’s Named after the American physicist with a deep understanding of physics, Chadwick Medal and prize. She receives Chadwick Medal. (Image credit: University 5.9 SDD Spectrum keV who developed the fi rst practical helium in Lagarrigue’s lineage” and for his the award for “her study of deep-inelastic of Oxford.) 55 liquefi ers, the award is given to an individual “outstanding qualities as a builder of scattering [DIS] of leptons on nuclei, which Fe “who has remarkably devoted themselves in experimental devices of great complexity” in has revealed the internal structure of the could be interpreted and extrapolated in eV FWHM Counts 125 the identifi cation and solution of cryogenic his role as a major player in the discoveries at ”. As a world expert in DIS, her career QCD. She was recently a leading fi gure in 25 mm2 x 500 µm 11.2 µs peaking time 6.4 engineering problems, and has subsequently CERN of the W, Z and Higgs bosons. has covered all forms of lepton–proton preparing the fi nal papers in the area of DIS keV demonstrated their concern for the cryogenic Virdee is cited for “his leadership of , right, and Tejinder scattering and the study of QCD to elucidate from the Hadron Electron Ring Accelerator P/B Ratio: 20000/1 community with their dedicated and the CMS experiment at the LHC, where Virdee, recipients, respectively, of the the structure of the nucleon. at DESY, and also plays a leading role in the Energy (keV) unselfi sh professional service and leadership evidence for the was revealed Lagarrigue award and the Glazebrook prize, Cooper-Sarkar has distinguished ATLAS groups at CERN that are making Resolution vs Peaking Time to this community”. after 20 years of research” and for “his in the CMS control room in 2008. (Image herself in devising techniques to distil the new measurements of the proton’s structure 180 25 mm2 Lebrun conducted the R&D on the prominent role in the innovative design and credit: CERN.) experimental data into knowledge that function. 170 superfl uid helium cryogenic system for lengthy construction of the CMS experiment, the LHC. He then led CERN’s Accelerator in particular the scintillating-crystal-based systems, and Virdee on a high-precision 160 Standard SDD Technology Department during the electromagnetic calorimeter, a vital piece of electromagnetic calorimeter, with a view The Royal Society ® construction of the machine, and played a the ‘toolkit’ necessary to discover the Higgs to discovering the Higgs boson through its 150 FAST SDD major role during the construction of the boson”. decay into four muons and two photons. honours particle 140 cryogenic high-fi eld magnets. He received Della Negra started his career at the In 1992, Della Negra was elected the CMS the award during the 2015 Cryogenic Collège de France with a thesis in 1967 on a collaboration’s fi rst spokesperson, with 130 physics Resolution (eV FWHM @ 5.9 keV) bubble-chamber study of proton–antiproton Virdee as his deputy, until 2006. This period Engineering Conference and International 120 0 1 2 3 4 5 Cryogenic Materials Conference, which took annihilations at rest. He then pursued physics saw the conception, R&D and prototyping, Peaking Time (μs) place on 28 June–2 July in Tucson. at the Intersecting Storage Rings at CERN, and much construction of the CMS where he convinced the Split Field Magnet experiment. During this period, Della Negra , professor emeritus at the Throughput 1,00,0000 collaboration to focus on high-pT physics. and Virdee took many critical and diffi cult , has joined the

Having there demonstrated the capabilities decisions to ensure the optimal performance ranks of , 0.2 μs of a 4π multi-purpose detector, he became and success of the CMS experiment. In 2006, and by winning the world’s involved in the proposed proton–antiproton Virdee was elected spokesperson for three oldest scientifi c prize, the Royal Society’s 100,000 1 μs collider in the Super , years, during which he oversaw the complex Copley Medal, which was fi rst awarded and made decisive contributions to the task of the completion of construction, in 1731. Higgs receives the 2015 award 4 μs design of UA1 – another 4π detector. installation and commissioning underground, for his work that contributed to what is 10,000 Virdee carried out his graduate studies and the fi rst collision data-taking. The known as the Brout–Englert–Higgs (BEH) Output Count Rate (OCR) Output Count at , on the hybrid discovery of the Higgs boson by both the mechanism, which endows fundamental bubble-chamber at SLAC. In 1979, as a ATLAS and CMS experiments at the LHC particles with mass. The particle known 1,000 1,000 10,000 100,000 1,000,0000 CERN fellow he worked on the NA14 was announced in July 2012. as the Higgs boson – the emissary of this Input Count Rate (ICR) photo-production experiment, where the The Lagarrigue award, established mechanism – was discovered by the ATLAS fractional electric charge of the quarks was in 2005 under the aegis of the French and CMS experiments at the LHC in 2012. measured. Virdee also collaborated on the Physical Society, pays tribute to André The Royal Society has also recognized UA1 experiment at CERN. His keen interest Lagarrigue, director of the Laboratory of research in particle physics and at the in hadron-collider physics and precision Linear Accelerator (LAL, Orsay) from LHC with the awarding of one its Royal calorimetry in UA1 led to his prominent role 1969 to 1975, who had a major role in the Medals to Chris Llewellyn Smith, who was in the CMS experiment. discovery of neutral weak interactions with director-general of CERN from 1994 to Della Negra and Virdee were among the bubble-chamber at CERN. 1998. Llewellyn Smith is honoured for “his the fi rst physicists to support the project Co-funded by the CEA, CERN, Ecole major contributions to the development that became the LHC. In 1989, they Polytechnique, IN2P3-CNRS, LAL and of the , particularly his Please see our web site for complete started thinking of a 4π detector for the Université Paris-Sud, the prize is awarded success in making the case for the building specifications and vacuum applications Philippe Lebrun, right, receiving the award new machine, based on a strong magnetic every two years. of the Large Hadron Collider”. The Royal from Ray Radebaugh, chair of the Awards fi eld produced by a large solenoid capable The Glazebrook medal and prize is a Medals, founded by King George IV in A Copley Medal for Peter Higgs, top, and a Committee of the Cryogenic Engineering of containing the inner tracker and the premier award of the UK’s Institute of 1825, are awarded for the most important for Chris Llewellyn Smith, ® AMPTEK Inc. Conference and a former recipient of the calorimeters. Della Negra focused on Physics (IOP), and is named after its fi rst contributions in the physical, biological and above. (Image credits: B Nyman, top, and [email protected] award. (Image credit: Werner K Huget.) the optimization of the muon and trigger president. applied sciences. C Llewellyn Smith.) www.amptek.com

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CERNCOURIER www. V o l u m e 5 5 N u m b e r 7 S e p t e m b e r 2 0 1 5 CERN Courier September 2015 CERN Courier September 2015 Faces & Places Faces & Places Silicon Drift Detectors • Solid State Design • Easy to Use Philippe Lebrun Della Negra and Virdee receive IOP recognizes • Low Cost honoured by the awards for leadership work in FAST SDD® cryogenic deep-inelastic Count Rate = >1,000,000 CPS The “founding fathers” of CMS, Michel Resolution Peaking Time community Della Negra of CERN and now Imperial scattering 125 eV FWHM 4 µs College, and Tejinder Virdee of Imperial 130 eV FWHM 1 µs College, have been awarded, respectively, the 140 eV FWHM 0.2 µs CERN’s Philippe Lebrun has received the 2014 André Lagarrigue Prize and the 2015 For distinguished work in particle physics, 160 eV FWHM 0.05 µs prestigious Samuel C Collins Award from Glazebrook Prize. Amanda Cooper-Sarkar of Oxford the Cryogenic Engineering Conference. Della Negra is cited as “a leader University has been awarded the IOP’s Amanda Cooper-Sarkar receives the IOP’s Named after the American physicist with a deep understanding of physics, Chadwick Medal and prize. She receives Chadwick Medal. (Image credit: University 5.9 SDD Spectrum keV who developed the fi rst practical helium in Lagarrigue’s lineage” and for his the award for “her study of deep-inelastic of Oxford.) 55 liquefi ers, the award is given to an individual “outstanding qualities as a builder of scattering [DIS] of leptons on nuclei, which Fe “who has remarkably devoted themselves in experimental devices of great complexity” in has revealed the internal structure of the could be interpreted and extrapolated in eV FWHM Counts 125 the identifi cation and solution of cryogenic his role as a major player in the discoveries at proton”. As a world expert in DIS, her career QCD. She was recently a leading fi gure in 25 mm2 x 500 µm 11.2 µs peaking time 6.4 engineering problems, and has subsequently CERN of the W, Z and Higgs bosons. has covered all forms of lepton–proton preparing the fi nal papers in the area of DIS keV demonstrated their concern for the cryogenic Virdee is cited for “his leadership of Michel Della Negra, right, and Tejinder scattering and the study of QCD to elucidate from the Hadron Electron Ring Accelerator P/B Ratio: 20000/1 community with their dedicated and the CMS experiment at the LHC, where Virdee, recipients, respectively, of the the structure of the nucleon. at DESY, and also plays a leading role in the Energy (keV) unselfi sh professional service and leadership evidence for the Higgs boson was revealed Lagarrigue award and the Glazebrook prize, Cooper-Sarkar has distinguished ATLAS groups at CERN that are making Resolution vs Peaking Time to this community”. after 20 years of research” and for “his in the CMS control room in 2008. (Image herself in devising techniques to distil the new measurements of the proton’s structure 180 25 mm2 Lebrun conducted the R&D on the prominent role in the innovative design and credit: CERN.) experimental data into knowledge that function. 170 superfl uid helium cryogenic system for lengthy construction of the CMS experiment, the LHC. He then led CERN’s Accelerator in particular the scintillating-crystal-based systems, and Virdee on a high-precision 160 Standard SDD Technology Department during the electromagnetic calorimeter, a vital piece of electromagnetic calorimeter, with a view The Royal Society ® construction of the machine, and played a the ‘toolkit’ necessary to discover the Higgs to discovering the Higgs boson through its 150 FAST SDD major role during the construction of the boson”. decay into four muons and two photons. honours particle 140 cryogenic high-fi eld magnets. He received Della Negra started his career at the In 1992, Della Negra was elected the CMS the award during the 2015 Cryogenic Collège de France with a thesis in 1967 on a collaboration’s fi rst spokesperson, with 130 physics Resolution (eV FWHM @ 5.9 keV) bubble-chamber study of proton–antiproton Virdee as his deputy, until 2006. This period Engineering Conference and International 120 0 1 2 3 4 5 Cryogenic Materials Conference, which took annihilations at rest. He then pursued physics saw the conception, R&D and prototyping, Peaking Time (μs) place on 28 June–2 July in Tucson. at the Intersecting Storage Rings at CERN, and much construction of the CMS where he convinced the Split Field Magnet experiment. During this period, Della Negra Peter Higgs, professor emeritus at the Throughput 1,00,0000 collaboration to focus on high-pT physics. and Virdee took many critical and diffi cult University of Edinburgh, has joined the

Having there demonstrated the capabilities decisions to ensure the optimal performance ranks of Charles Darwin, Humphry Davy 0.2 μs of a 4π multi-purpose detector, he became and success of the CMS experiment. In 2006, and Albert Einstein by winning the world’s involved in the proposed proton–antiproton Virdee was elected spokesperson for three oldest scientifi c prize, the Royal Society’s 100,000 1 μs collider in the , years, during which he oversaw the complex Copley Medal, which was fi rst awarded and made decisive contributions to the task of the completion of construction, in 1731. Higgs receives the 2015 award 4 μs design of UA1 – another 4π detector. installation and commissioning underground, for his work that contributed to what is 10,000 Virdee carried out his graduate studies and the fi rst collision data-taking. The known as the Brout–Englert–Higgs (BEH) Output Count Rate (OCR) Output Count at Imperial College London, on the hybrid discovery of the Higgs boson by both the mechanism, which endows fundamental bubble-chamber at SLAC. In 1979, as a ATLAS and CMS experiments at the LHC particles with mass. The particle known 1,000 1,000 10,000 100,000 1,000,0000 CERN fellow he worked on the NA14 was announced in July 2012. as the Higgs boson – the emissary of this Input Count Rate (ICR) photo-production experiment, where the The Lagarrigue award, established mechanism – was discovered by the ATLAS fractional electric charge of the quarks was in 2005 under the aegis of the French and CMS experiments at the LHC in 2012. measured. Virdee also collaborated on the Physical Society, pays tribute to André The Royal Society has also recognized UA1 experiment at CERN. His keen interest Lagarrigue, director of the Laboratory of research in particle physics and at the in hadron-collider physics and precision Linear Accelerator (LAL, Orsay) from LHC with the awarding of one its Royal calorimetry in UA1 led to his prominent role 1969 to 1975, who had a major role in the Medals to Chris Llewellyn Smith, who was in the CMS experiment. discovery of neutral weak interactions with director-general of CERN from 1994 to Della Negra and Virdee were among the Gargamelle bubble-chamber at CERN. 1998. Llewellyn Smith is honoured for “his the fi rst physicists to support the project Co-funded by the CEA, CERN, Ecole major contributions to the development that became the LHC. In 1989, they Polytechnique, IN2P3-CNRS, LAL and of the Standard Model, particularly his Please see our web site for complete started thinking of a 4π detector for the Université Paris-Sud, the prize is awarded success in making the case for the building specifications and vacuum applications Philippe Lebrun, right, receiving the award new machine, based on a strong magnetic every two years. of the Large Hadron Collider”. The Royal from Ray Radebaugh, chair of the Awards fi eld produced by a large solenoid capable The Glazebrook medal and prize is a Medals, founded by King George IV in A Copley Medal for Peter Higgs, top, and a Committee of the Cryogenic Engineering of containing the inner tracker and the premier award of the UK’s Institute of 1825, are awarded for the most important Royal Medal for Chris Llewellyn Smith, ® AMPTEK Inc. Conference and a former recipient of the calorimeters. Della Negra focused on Physics (IOP), and is named after its fi rst contributions in the physical, biological and above. (Image credits: B Nyman, top, and [email protected] award. (Image credit: Werner K Huget.) the optimization of the muon and trigger president. applied sciences. C Llewellyn Smith.) www.amptek.com

36 37

CERNCOURIER www. V o l u m e 5 5 N u m b e r 7 S e p t e m b e r 2 0 1 5 CERN Courier September 2015 Faces & Places

O u t r E a C h We focus on solving your challenges, ensuring that our experience and history provide products tailored to MoEDAL takes monopoles to London

provide outstanding performance and suitability to your application. The MoEDAL experiment at the LHC and its “Monopole Quest” were on show at the Royal Society’s 2015 Summer Science Exhibition on 30 June–5 July. The week-long display of the most exciting cutting-edge science and technology in the UK took place, as customary, at the society’s base in London. The exhibition featured 22 exhibits, where hundreds of visitors could meet the scientists, try some of the hands-on activities or attend inspiring talks and events. Visitors to the MoEDAL exhibit could design their own monopole detector, take part in the “Citizen Science” project to search online for monopole tracks in exposed MoEDAL plastic nuclear-track detectors, and Members of the MoEDAL team at the Royal Society Summer Exhibition (with their test MoEDAL trapping volumes for captured MoEDAL medals), on shift at the fi rst formal soirée. Left to right: Arttu Rajantie and monopoles. They could also visualize a Edward Gillman of Imperial College London, Mairi Sakellariadou of King's College Dirac monopole and investigate radioactivity London, James Pinfold of the University of Alberta, and Anna Evans, Caitlin Cooke and Cables | Temp Measurement | Electric Heaters on their mobile phones using a MoEDAL Becky Parker of the Simon Langton School. (Image credit: Courtesy J Pinfold.) www.okazaki-mfg.com TimePix Chip. Involvement was awarded with gifts and prizes, which included a soared to higher than 30 °C. London, King’s College London, CERN, the MoEDAL medal. There was fun for all, ● The MoEDAL groups involved in University of Alberta, Langton Star Centre including the team looking after the exhibit, proposing, designing and eventually staffi ng and the Simon Langton Grammar School for okazaki-cernad-193x125-June15.indd 1 31/07/2015 11:57 despite the unusual London temperatures that the exhibit were from Imperial College Boys.

C O N F E r E N C E You know what QCD-Montpellier celebrates 30th anniversary you want to detect: Every one to two years, Montpellier hosts the International Conference in Quantum - X-rays Chromodynamics (QCD). Initiated in 1985 by Stephan Narison, director of research - Gamma-rays of the French National Research Centre for Scientifi c Research at the Laboratory of - Neutrons Universe and Particles of Montpellier, as a conference on non-perturbative methods, - Particles it took on the name QCD in 1990, and since 2001 has alternated with the International High-Energy Conference (HEPMAD) in Participants at QCD 15. (Image credit: alizé photo.) Madagascar. This year, QCD-Montpellier celebrated its 30th anniversary at its 18th for doctoral students and young postdocs, new physics beyond the Standard Model. It edition, which took place on 29 June–3 July. who are often present and talk for the fi rst is also a meeting where new experimental During its 30 years, the conference time in front of international QCD experts. results are often presented before the large has welcomed many world experts to The meeting’s size of around 100 attendees, international particle-physics conferences Montpellier, including Nobel prizewinners with equal numbers of theorists and – or at the same time, as with the special – Jack Steinberger attended in 1997, David experimentalists, allows participants to session that took place on 4 July 2012 to Gross in 1998 and Gerard ’t Hooft in interact in a relaxed atmosphere, created by present the Higgs discovery by ATLAS and 1998 and 2002 – as well as winners of the the well-organized social events and by the CMS by video conference. J J Sakurai prize: Stanley Brodsky in 1990 beauty of Montpellier and its surroundings, ● For more on QCD 15, visit www.lupm. SCIONIX Holland B.V. and 2014, Mikhail Shifman in 2008 and which favour discussions and the initiation of univ-montp2.fr/users/qcd/qcd15/Welcome. Tel. +31 30 6570312 2010, and Valentin Zakharov, who has been a future collaborations. html. For HEPAMD 15, which will take Fax. +31 30 6567563 We know how to member of the International Committee and Unlike other workshops, place on 17–22 September, see www.lupm. regular participant since 1996. QCD-Montpellier covers all aspects of univ-montp2.fr/users/qcd/hepmad15/ Email. [email protected] build your detectors www.scionix.nl The conference also provides training QCD including those related to searches for Welcome.html.

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CERNCOURIER www. V o l u m e 5 5 N u m b e r 7 S e p t e m b e r 2 0 1 5 CERN Courier September 2015 Faces & Places

O u t r E a C h We focus on solving your challenges, ensuring that our experience and history provide products tailored to MoEDAL takes monopoles to London

provide outstanding performance and suitability to your application. The MoEDAL experiment at the LHC and its “Monopole Quest” were on show at the Royal Society’s 2015 Summer Science Exhibition on 30 June–5 July. The week-long display of the most exciting cutting-edge science and technology in the UK took place, as customary, at the society’s base in London. The exhibition featured 22 exhibits, where hundreds of visitors could meet the scientists, try some of the hands-on activities or attend inspiring talks and events. Visitors to the MoEDAL exhibit could design their own monopole detector, take part in the “Citizen Science” project to search online for monopole tracks in exposed MoEDAL plastic nuclear-track detectors, and Members of the MoEDAL team at the Royal Society Summer Exhibition (with their test MoEDAL trapping volumes for captured MoEDAL medals), on shift at the fi rst formal soirée. Left to right: Arttu Rajantie and monopoles. They could also visualize a Edward Gillman of Imperial College London, Mairi Sakellariadou of King's College Dirac monopole and investigate radioactivity London, James Pinfold of the University of Alberta, and Anna Evans, Caitlin Cooke and Cables | Temp Measurement | Electric Heaters on their mobile phones using a MoEDAL Becky Parker of the Simon Langton School. (Image credit: Courtesy J Pinfold.) www.okazaki-mfg.com TimePix Chip. Involvement was awarded with gifts and prizes, which included a soared to higher than 30 °C. London, King’s College London, CERN, the MoEDAL medal. There was fun for all, ● The MoEDAL groups involved in University of Alberta, Langton Star Centre including the team looking after the exhibit, proposing, designing and eventually staffi ng and the Simon Langton Grammar School for okazaki-cernad-193x125-June15.indd 1 31/07/2015 11:57 despite the unusual London temperatures that the exhibit were from Imperial College Boys.

C O N F E r E N C E You know what QCD-Montpellier celebrates 30th anniversary you want to detect: Every one to two years, Montpellier hosts the International Conference in Quantum - X-rays Chromodynamics (QCD). Initiated in 1985 by Stephan Narison, director of research - Gamma-rays of the French National Research Centre for Scientifi c Research at the Laboratory of - Neutrons Universe and Particles of Montpellier, as a conference on non-perturbative methods, - Particles it took on the name QCD in 1990, and since 2001 has alternated with the International High-Energy Conference (HEPMAD) in Participants at QCD 15. (Image credit: alizé photo.) Madagascar. This year, QCD-Montpellier celebrated its 30th anniversary at its 18th for doctoral students and young postdocs, new physics beyond the Standard Model. It edition, which took place on 29 June–3 July. who are often present and talk for the fi rst is also a meeting where new experimental During its 30 years, the conference time in front of international QCD experts. results are often presented before the large has welcomed many world experts to The meeting’s size of around 100 attendees, international particle-physics conferences Montpellier, including Nobel prizewinners with equal numbers of theorists and – or at the same time, as with the special – Jack Steinberger attended in 1997, David experimentalists, allows participants to session that took place on 4 July 2012 to Gross in 1998 and Gerard ’t Hooft in interact in a relaxed atmosphere, created by present the Higgs discovery by ATLAS and 1998 and 2002 – as well as winners of the the well-organized social events and by the CMS by video conference. J J Sakurai prize: Stanley Brodsky in 1990 beauty of Montpellier and its surroundings, ● For more on QCD 15, visit www.lupm. SCIONIX Holland B.V. and 2014, Mikhail Shifman in 2008 and which favour discussions and the initiation of univ-montp2.fr/users/qcd/qcd15/Welcome. Tel. +31 30 6570312 2010, and Valentin Zakharov, who has been a future collaborations. html. For HEPAMD 15, which will take Fax. +31 30 6567563 We know how to member of the International Committee and Unlike other workshops, place on 17–22 September, see www.lupm. regular participant since 1996. QCD-Montpellier covers all aspects of univ-montp2.fr/users/qcd/hepmad15/ Email. [email protected] build your detectors www.scionix.nl The conference also provides training QCD including those related to searches for Welcome.html.

39

CERNCOURIER www. V o l u m e 5 5 N u m b e r 7 S e p t e m b e r 2 0 1 5 CERN Courier September 2015 Faces & Places

a N N i v E r s a r Y Conference celebrates 60 years of Yang–Mills theories

On 1 October 1954, Physical Review published the seminal paper by Chen-Ning Yang and Robert Mills that was to become a cornerstone of theoretical physics. The Yang–Mills gauge fi eld theory laid the foundation of the Standard Model of particle physics, and also went on to have widespread applications in statistical physics, condensed-matter physics, atomic and nonlinear optics and nonlinear systems. In May, the Institute of Advances Studies, Nanyang Technological University in Singapore, held a major conference on “60 years of Yang–Mills gauge fi eld theories”, attracting more than 180 participants from around the world. WEKA AG · Switzerland Many eminent speakers attended to present Schürlistrasse 8 · CH-8344 Bäretswil results related to Yang–Mills gauge theories, Phone +41 43 833 43 43 including, in particular, Yang himself. Fax +41 43 833 43 49 (Sadly, Mills died in 1999.) The presentations

Visual Level Indicators Visual Level Instruments Tank Cryogenic Components Stainless Steel Valves included interdisciplinary talks by Paul Chu [email protected] · www.weka-ag.ch on “A possible paradigm shift in the search for Participants surround Chen-Ning Yang, centre front. (Image credit: Institute of Advanced ARCA Flow Group worldwide: higher Tc”, Robert Crease on “Yang–Mills for Studies, Nanyang Technological University.) Competence in valves, pumps & cryogenics historians and philosophers” and Antti Niemi on “Folding proteins at the speed of life”. when Yang and Mills shared an offi ce during creating an Asian version of CERN, where There were also interesting reminiscences the summer at Brookhaven Laboratory, Asian countries could work with scientists by Yu Shi and Zhong-Qi Ma of the immense the conference also included a round-table from the rest of the world to uncover new contributions by Yang to physics in general. discussion on the role of regional labs levels of fundamental physics. CERNIn addition,COURIER David Gross, Michael Fisher and hubs in promoting collaboration in ● For more about the conference, see CERNCOURIER and Yang gave public lectures on personal theoretical and fundamental physics. www.ntu.edu.sg/ias/upcomingevents/ perspectives on physics. Various suggestions were made during the Yang-Mills60/. The proceedings will be Because the famous paper was written discussion, including strong arguments for published by World Scientifi c.

v i s i t

The prime minister of the Italian Republic, Matteo Renzi, visited CERN on 7 July, accompanied by Italy’s minister for education, university and research, Stefania Giannini. They were welcomed by members of the CERN management together with , former director-general and senator for life of the Italian Republic. During the visit they toured the ATLAS control room, The destinationas well for as thehigh-energy ATLAS newsarea and and thejobs LHC tunnel, before meeting Italian physicists working at CERN. Left to right: ,

cerncourier.com collaboration CMS the of benefit the for CERN, 2011 © CERN’s director for research and scientifi c computing, Matteo Renzi, , director-general The destination for high-energy designate at CERN, Stefania Giannini, From sensors to equipment, find more solutions at Rolf Heuer, CERN’s director-general, physics news and jobs and Carlo Rubbia. (Image credit: CERN-PHOTO-201507-150 – 103.)

© 2011 CERN, for the benefit of the CMS collaboration CMS the of benefit the for CERN, 2011 © cerncourier.com

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The destination for high-energy physics news and jobs cerncourier.com

© 2011 CERN, for the benefit of the CMS collaboration CERN Courier September 2015 Faces & Places

a N N i v E r s a r Y Conference celebrates 60 years of Yang–Mills theories

On 1 October 1954, Physical Review published the seminal paper by Chen-Ning Yang and Robert Mills that was to become a cornerstone of theoretical physics. The Yang–Mills gauge fi eld theory laid the foundation of the Standard Model of particle physics, and also went on to have widespread applications in statistical physics, condensed-matter physics, atomic and nonlinear optics and nonlinear systems. In May, the Institute of Advances Studies, Nanyang Technological University in Singapore, held a major conference on “60 years of Yang–Mills gauge fi eld theories”, attracting more than 180 participants from around the world. WEKA AG · Switzerland Many eminent speakers attended to present Schürlistrasse 8 · CH-8344 Bäretswil results related to Yang–Mills gauge theories, Phone +41 43 833 43 43 including, in particular, Yang himself. Fax +41 43 833 43 49 (Sadly, Mills died in 1999.) The presentations

Visual Level Indicators Visual Level Instruments Tank Cryogenic Components Stainless Steel Valves included interdisciplinary talks by Paul Chu [email protected] · www.weka-ag.ch on “A possible paradigm shift in the search for Participants surround Chen-Ning Yang, centre front. (Image credit: Institute of Advanced ARCA Flow Group worldwide: higher Tc”, Robert Crease on “Yang–Mills for Studies, Nanyang Technological University.) Competence in valves, pumps & cryogenics historians and philosophers” and Antti Niemi on “Folding proteins at the speed of life”. when Yang and Mills shared an offi ce during creating an Asian version of CERN, where There were also interesting reminiscences the summer at Brookhaven Laboratory, Asian countries could work with scientists by Yu Shi and Zhong-Qi Ma of the immense the conference also included a round-table from the rest of the world to uncover new contributions by Yang to physics in general. discussion on the role of regional labs levels of fundamental physics. CERNIn addition,COURIER David Gross, Michael Fisher and hubs in promoting collaboration in ● For more about the conference, see CERNCOURIER and Yang gave public lectures on personal theoretical and fundamental physics. www.ntu.edu.sg/ias/upcomingevents/ perspectives on physics. Various suggestions were made during the Yang-Mills60/. The proceedings will be Because the famous paper was written discussion, including strong arguments for published by World Scientifi c.

v i s i t

The prime minister of the Italian Republic, Matteo Renzi, visited CERN on 7 July, accompanied by Italy’s minister for education, university and research, Stefania Giannini. They were welcomed by members of the CERN management together with Carlo Rubbia, former director-general and senator for life of the Italian Republic. During the visit they toured the ATLAS control room, The destinationas well for as thehigh-energy ATLAS experimental physics newsarea and and thejobs LHC tunnel, before meeting Italian physicists working at CERN. Left to right: Sergio Bertolucci,

cerncourier.com collaboration CMS the of benefit the for CERN, 2011 © CERN’s director for research and scientifi c computing, Matteo Renzi, Fabiola Gianotti, director-general The destination for high-energy designate at CERN, Stefania Giannini, From sensors to equipment, find more solutions at Rolf Heuer, CERN’s director-general, physics news and jobs and Carlo Rubbia. (Image credit: CERN-PHOTO-201507-150 – 103.)

© 2011 CERN, for the benefit of the CMS collaboration CMS the of benefit the for CERN, 2011 © cerncourier.com

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© 2011 CERN, for the benefit of the CMS collaboration CERN Courier September 2015 CERN Courier September 2015 Faces & Places Faces & Places

O B i t u a r i E s Institute of Technology in 1966. He was the Technical Advisory Committee for the also an instructor in the physics department Facility for Antiproton and Ion Research at Vassar College from 1960 to 1962. In in Darmstadt. He also chaired numerous Bernard Hyams 1925–2015 1967, he joined the Carnegie Institute of international conferences on accelerator Technology as a research physicist, and science and technology, and had a leading began his long and distinguished career role in facilitating the joint proposal between Bernard Hyams, a distinguished scientist next running period in 1990 and upgraded at Argonne the same year, starting as a two agencies in the Japanese government who worked at CERN for 32 years, died on successfully a number of times. research associate. His earliest roots at that gave rise to the Japan Proton Accelerator 15 May at the age of 90. While continuing his research work, Argonne were in high-energy physics, Research Complex. He was the author of Bernard began his research career Bernard was also leader of CERN’s studying Kπ scattering on the Zero numerous peer-reviewed publications, and in ’s Laboratory at Experimental Physics Division from 1984 Gradient Synchrotron (ZGS). was awarded the University of Chicago Manchester University, where he joined to 1987. Overall, he spent 32 years at CERN Developing an interest in accelerator Distinguished Performance Award by the teaching staff in 1950 and worked on before retiring in April 1990. In 2002, he science in the early 1970s, Cho undertook Argonne in 1986. a magnetic spectrograph to measure the received the title of Honorary Professor of physics studies on the performance and Cho also helped to initiate several other momentum of single cosmic-ray particles. the Institute of Nuclear Physics at Cracow upgrade of the ZGS. He became director of Yanglai Cho. (Image credit: ANL.) accelerator projects, particularly in Korea. He went on to lead the group that set up a for his role in bringing Cracow’s physicists the accelerator group of the ZGS, and was Both the Pohang Light Source at Pohang cosmic-ray experiment at the Pic du Midi into modern experiments at CERN. The responsible for the commissioning of the research, that Argonne was a natural site University of Science and Technology and Observatory, which in 1953–1955 observed laudatio forms an excellent tribute to Intense Pulsed Neutron Source there – the for the facility and that it should be pursued. the Korea Multi-purpose Accelerator Project eight well-identifi ed unstable particles Bernard’s career in general, recognizing “his fi rst slow neutron source based on a proton Kliewer agreed, and Cho became one of at the Korea Atomic Energy Research having properties consistent with the Kμ. outstanding achievements in experimental synchrotron. His career at Argonne was the major drivers throughout the design, Institute benefi ted greatly from his initial He submitted his PhD thesis, on a search Bernard Hyams. (Image credit: Vincent particle physics, his role in introducing many interrupted briefl y in 1983–1985, when he construction, commissioning and successful design concepts and subsequent suggestions. for antiproton production by high-energy Chabaud.) scientists to the mysteries of modern physics went on assignment to the University of operation of what became the APS. He left his mark in his homeland, where cosmic-ray particles, in 1955. and his great contribution to the development Wisconsin’s Synchrotron Research Center, He served as project director in the all of his friends will forever miss his great Visiting CERN on sabbatical in 1958, approved the experiment, R402, which – of scientifi c collaboration between CERN fi rst as associate director for accelerator formative years of the APS, and then became humanity. Bernard participated in an experiment unsurprisingly with hindsight – found no and national physics institutions”. technology then as acting director. deputy associate laboratory director. He was Yanglai Cho had tremendous energy and conducted in the Lötschberg Tunnel in the candidates. Discussing a physics project with Bernard In 1983, a committee on major materials technical director of the Spallation Neutron dedication, and a remarkable combination Swiss Alps, which showed that the nucleon Around 1974, the CERN–Munich was always special. With his brilliant mind facilities commissioned by the US Source at Oak Ridge National Laboratory of technical brilliance and practicality. He lives longer than 2 × 1026 years – a subject that group joined forces with others to form he would quickly grasp the essential points, Department of Energy recommended the from 1999 to 2001 during the facility’s early leaves an important legacy. was to gain importance many years later. He the long-lasting Amsterdam–CERN– making suggestions for improvements or construction of a synchrotron light source development, where he made the successful ● Based – with permission – on the obituary accepted a staff appointment at CERN in 1959 Cracow–Munich–Oxford–Rutherford criticizing, if warranted, with his keen British operating in the 6 GeV range. Cho pointed out case for the fi rst use of superconducting published on the APS website: www1. and performed one of the fi rst experiments at (ACCMOR) collaboration, which performed sense of humour. He was always attentive to Kenneth Kliewer, at the time Argonne’s technology in a high-power proton linac. aps.anl.gov/APS-News/Yanglai-Cho-a- the Proton Synchrotron (PS), demonstrating a well-known series of experiments at the to the feelings of others, and visibly enjoyed associate laboratory director for physical Upon retiring from Argonne, Cho chaired Founder-of-the-APS-Dies-at-82. that in pion decay the muon’s spin behaves as Super Proton Synchrotron, fi rst in the West CERN’s exciting research atmosphere and the expected. After studying vector-meson decays Area (WA3), before moving to the North contact with younger colleagues. Because of N EW P r O D u C t s into muon pairs, he then spent several years Area (NA11 and NA32). With the discovery his wisdom and generosity, many requested working on precision measurements with of charmed particles, Bernard became his advice, especially when diffi cult decisions FLIR Systems has announced a new version Narda Safety Test Solutions has launched geometry. The proprietary back contact of pions. In the mid-1960s, together with Ulrich interested in the study of their decays using had to be taken. He was scrupulously fair 4.2 of its ResearchIR thermal-imaging a new FFT analyser for low-frequency the Profi le “SP” improves energy resolution Stierlin of MPI Munich, he organized a group silicon-microstrip detectors, which were and never pushed himself to the forefront, software. ResearchIR 4.2 provides researchers electromagnetic fi elds. The EHP-50F at lower energies, while supporting the same specializing in meson spectroscopy, which as implemented in the NA32 experiment. preferring to work hard in the shadows for the with a powerful tool for viewing, acquiring, measures and analyses electric- and resolution at higher energies. SP detectors the CERN–Munich collaboration, went on to In the early 1980s, he became a pioneer good of the collaboration. It was a privilege to analysing, and sharing thermal data captured magnetic-fi eld strengths in the frequency also feature a stable, thin front-contact, perform a long series of experiments at the PS, of the use of silicon microstrips for know and work with him. His infl uence went with FLIR’s scientifi c and R&D cameras. range 1 Hz to 400 kHz, and evaluates the allowing warm storage, simplifi ed detector well into the 1970s. high-precision vertex measurements at far beyond the boundaries of CERN, and all For the fi rst time, it gives users direct access results in accordance with current human handling and lower associated storage costs. When the Intersecting Storage Rings (ISR) particle colliders, in particular applying of his colleagues, no matter where located, to MATLAB scripts within ResearchIR, safety standards. Narda has also expanded For more information, tel +1 865 482 4411, or started operation at CERN early in 1971, the technique in the DELPHI detector at remember him as a great friend who will be allowing users to access their customized the features of its Interference and Direction visit www.ortec-online.com. there was no experiment in place that was CERN’s Large Electron–Positron (LEP) sorely missed. MatLab scripts directly for specially tailored Analyser, providing spectrograms with a capable of looking for quarks, even though collider. During a sabbatical year at SLAC, Bernard was very attached to his family, image-analysis and processing tasks. For time resolution of as fi ne as 1μ s. This means XP Power has announced the DDC15 and the ISR were constructed as a “discovery in collaboration with Sherwood Parker and from his wife Hanna to his granddaughter further information, tel +32 3665 5100, e-mail that interference and hidden transmitters DDC30 series of low-profi le 15 W and machine”. So Bernard acted decisively, James Walker, he developed a VLSI chip for Solongo. He died just one month after his fl i r @ fl i r . c o m or visit www.fl ir.com. with rapidly changing frequencies can 30 W DIN-rail format DC–DC converters. supporting a small and mostly young team microstrip read-out, allowing compact vertex beloved wife, surrounded by his family. be analysed and then localized with The range is designed to offer additional of physicists who proposed a relatively detectors to be built for collider experiments. Our warmest thoughts and sympathy go to Intersil Corporation has announced the subsequent operating steps. For more voltages in DIN rail-power systems, provide simple experiment to search for the putative The proposal for the DELPHI device was them and to the many others who have shared fi rst 60 V synchronous buck controller able to information, tel +49 7121/97 32 0, e-mail isolated outputs and noise immunity or particles, which many people expected to be put forward, and part of the microvertex an important part of their professional lives bypass the intermediate step-down conversion [email protected] or visit www. support battery-powered or battery-backed discovered at the ISR. Thanks to Bernard’s detector collected data during the fi rst LEP with Bernard. stage traditionally employed in industrial narda-sts.com. applications. The single output converters leadership, the ISR Committee swiftly run in August 1989. It was completed for the ● His friends and colleagues. applications. The ISL8117 synchronous accommodate a 4:1 input range from step-down PWM controller’s low-duty cycle The ORTEC Products Group of AMETEK 9–36 VDC, suiting 12 or 24 VDC nominal (40 ns minimum on time) enables the direct Advanced Measurement Technology has input. Both series are available with a choice step-down conversion from 48 V to a 1 V announced the release of Profi le “SP” Series of a 5, 9, 12, 15 or 24 VDC nominal output. Yanglai Cho 1932–2015 point-of-load. This technical achievement P-type high-purity germanium (HPGe) The DDC15 model is available with a makes it possible for designers to reduce system detectors, providing premium resolution 3.3 VDC output. Input-to-output isolation is complexity in infrastructure applications. For at low to medium energies for a range of 1500 VDC. For further information, contact Yanglai Cho, a principal member of the small Laboratory, passed away on 14 June. He was Seoul National University in 1956, his more information, contact Mark Alden, tel +1 demanding, radiation-detection applications. Steve Head, tel +44 118 984 5515, e-mail dedicated team that brought the Advanced 82 years of age. Master’s from Brigham Young University 408 546 3402, e-mail [email protected] or The detectors employ a low-noise back [email protected] or visit www.xppower. Photon Source (APS) to Argonne National Cho received his BS in physics from in 1958 and his PhD from the Carnegie visit www.intersil.com/products/isl8117. contact combined with a semi-planar crystal com.

42 43

CERNCOURIER www. V o l u m e 5 5 N u m b e r 7 S e p t e m b e r 2 0 1 5 CERN Courier September 2015 CERN Courier September 2015 Faces & Places Faces & Places

O B i t u a r i E s Institute of Technology in 1966. He was the Technical Advisory Committee for the also an instructor in the physics department Facility for Antiproton and Ion Research at Vassar College from 1960 to 1962. In in Darmstadt. He also chaired numerous Bernard Hyams 1925–2015 1967, he joined the Carnegie Institute of international conferences on accelerator Technology as a research physicist, and science and technology, and had a leading began his long and distinguished career role in facilitating the joint proposal between Bernard Hyams, a distinguished scientist next running period in 1990 and upgraded at Argonne the same year, starting as a two agencies in the Japanese government who worked at CERN for 32 years, died on successfully a number of times. research associate. His earliest roots at that gave rise to the Japan Proton Accelerator 15 May at the age of 90. While continuing his research work, Argonne were in high-energy physics, Research Complex. He was the author of Bernard began his research career Bernard was also leader of CERN’s studying Kπ scattering on the Zero numerous peer-reviewed publications, and in Patrick Blackett’s Laboratory at Experimental Physics Division from 1984 Gradient Synchrotron (ZGS). was awarded the University of Chicago Manchester University, where he joined to 1987. Overall, he spent 32 years at CERN Developing an interest in accelerator Distinguished Performance Award by the teaching staff in 1950 and worked on before retiring in April 1990. In 2002, he science in the early 1970s, Cho undertook Argonne in 1986. a magnetic spectrograph to measure the received the title of Honorary Professor of physics studies on the performance and Cho also helped to initiate several other momentum of single cosmic-ray particles. the Institute of Nuclear Physics at Cracow upgrade of the ZGS. He became director of Yanglai Cho. (Image credit: ANL.) accelerator projects, particularly in Korea. He went on to lead the group that set up a for his role in bringing Cracow’s physicists the accelerator group of the ZGS, and was Both the Pohang Light Source at Pohang cosmic-ray experiment at the Pic du Midi into modern experiments at CERN. The responsible for the commissioning of the research, that Argonne was a natural site University of Science and Technology and Observatory, which in 1953–1955 observed laudatio forms an excellent tribute to Intense Pulsed Neutron Source there – the for the facility and that it should be pursued. the Korea Multi-purpose Accelerator Project eight well-identifi ed unstable particles Bernard’s career in general, recognizing “his fi rst slow neutron source based on a proton Kliewer agreed, and Cho became one of at the Korea Atomic Energy Research having properties consistent with the Kμ. outstanding achievements in experimental synchrotron. His career at Argonne was the major drivers throughout the design, Institute benefi ted greatly from his initial He submitted his PhD thesis, on a search Bernard Hyams. (Image credit: Vincent particle physics, his role in introducing many interrupted briefl y in 1983–1985, when he construction, commissioning and successful design concepts and subsequent suggestions. for antiproton production by high-energy Chabaud.) scientists to the mysteries of modern physics went on assignment to the University of operation of what became the APS. He left his mark in his homeland, where cosmic-ray particles, in 1955. and his great contribution to the development Wisconsin’s Synchrotron Research Center, He served as project director in the all of his friends will forever miss his great Visiting CERN on sabbatical in 1958, approved the experiment, R402, which – of scientifi c collaboration between CERN fi rst as associate director for accelerator formative years of the APS, and then became humanity. Bernard participated in an experiment unsurprisingly with hindsight – found no and national physics institutions”. technology then as acting director. deputy associate laboratory director. He was Yanglai Cho had tremendous energy and conducted in the Lötschberg Tunnel in the candidates. Discussing a physics project with Bernard In 1983, a committee on major materials technical director of the Spallation Neutron dedication, and a remarkable combination Swiss Alps, which showed that the nucleon Around 1974, the CERN–Munich was always special. With his brilliant mind facilities commissioned by the US Source at Oak Ridge National Laboratory of technical brilliance and practicality. He lives longer than 2 × 1026 years – a subject that group joined forces with others to form he would quickly grasp the essential points, Department of Energy recommended the from 1999 to 2001 during the facility’s early leaves an important legacy. was to gain importance many years later. He the long-lasting Amsterdam–CERN– making suggestions for improvements or construction of a synchrotron light source development, where he made the successful ● Based – with permission – on the obituary accepted a staff appointment at CERN in 1959 Cracow–Munich–Oxford–Rutherford criticizing, if warranted, with his keen British operating in the 6 GeV range. Cho pointed out case for the fi rst use of superconducting published on the APS website: www1. and performed one of the fi rst experiments at (ACCMOR) collaboration, which performed sense of humour. He was always attentive to Kenneth Kliewer, at the time Argonne’s technology in a high-power proton linac. aps.anl.gov/APS-News/Yanglai-Cho-a- the Proton Synchrotron (PS), demonstrating a well-known series of experiments at the to the feelings of others, and visibly enjoyed associate laboratory director for physical Upon retiring from Argonne, Cho chaired Founder-of-the-APS-Dies-at-82. that in pion decay the muon’s spin behaves as Super Proton Synchrotron, fi rst in the West CERN’s exciting research atmosphere and the expected. After studying vector-meson decays Area (WA3), before moving to the North contact with younger colleagues. Because of N EW P r O D u C t s into muon pairs, he then spent several years Area (NA11 and NA32). With the discovery his wisdom and generosity, many requested working on precision measurements with of charmed particles, Bernard became his advice, especially when diffi cult decisions FLIR Systems has announced a new version Narda Safety Test Solutions has launched geometry. The proprietary back contact of pions. In the mid-1960s, together with Ulrich interested in the study of their decays using had to be taken. He was scrupulously fair 4.2 of its ResearchIR thermal-imaging a new FFT analyser for low-frequency the Profi le “SP” improves energy resolution Stierlin of MPI Munich, he organized a group silicon-microstrip detectors, which were and never pushed himself to the forefront, software. ResearchIR 4.2 provides researchers electromagnetic fi elds. The EHP-50F at lower energies, while supporting the same specializing in meson spectroscopy, which as implemented in the NA32 experiment. preferring to work hard in the shadows for the with a powerful tool for viewing, acquiring, measures and analyses electric- and resolution at higher energies. SP detectors the CERN–Munich collaboration, went on to In the early 1980s, he became a pioneer good of the collaboration. It was a privilege to analysing, and sharing thermal data captured magnetic-fi eld strengths in the frequency also feature a stable, thin front-contact, perform a long series of experiments at the PS, of the use of silicon microstrips for know and work with him. His infl uence went with FLIR’s scientifi c and R&D cameras. range 1 Hz to 400 kHz, and evaluates the allowing warm storage, simplifi ed detector well into the 1970s. high-precision vertex measurements at far beyond the boundaries of CERN, and all For the fi rst time, it gives users direct access results in accordance with current human handling and lower associated storage costs. When the Intersecting Storage Rings (ISR) particle colliders, in particular applying of his colleagues, no matter where located, to MATLAB scripts within ResearchIR, safety standards. Narda has also expanded For more information, tel +1 865 482 4411, or started operation at CERN early in 1971, the technique in the DELPHI detector at remember him as a great friend who will be allowing users to access their customized the features of its Interference and Direction visit www.ortec-online.com. there was no experiment in place that was CERN’s Large Electron–Positron (LEP) sorely missed. MatLab scripts directly for specially tailored Analyser, providing spectrograms with a capable of looking for quarks, even though collider. During a sabbatical year at SLAC, Bernard was very attached to his family, image-analysis and processing tasks. For time resolution of as fi ne as 1μ s. This means XP Power has announced the DDC15 and the ISR were constructed as a “discovery in collaboration with Sherwood Parker and from his wife Hanna to his granddaughter further information, tel +32 3665 5100, e-mail that interference and hidden transmitters DDC30 series of low-profi le 15 W and machine”. So Bernard acted decisively, James Walker, he developed a VLSI chip for Solongo. He died just one month after his fl i r @ fl i r . c o m or visit www.fl ir.com. with rapidly changing frequencies can 30 W DIN-rail format DC–DC converters. supporting a small and mostly young team microstrip read-out, allowing compact vertex beloved wife, surrounded by his family. be analysed and then localized with The range is designed to offer additional of physicists who proposed a relatively detectors to be built for collider experiments. Our warmest thoughts and sympathy go to Intersil Corporation has announced the subsequent operating steps. For more voltages in DIN rail-power systems, provide simple experiment to search for the putative The proposal for the DELPHI device was them and to the many others who have shared fi rst 60 V synchronous buck controller able to information, tel +49 7121/97 32 0, e-mail isolated outputs and noise immunity or particles, which many people expected to be put forward, and part of the microvertex an important part of their professional lives bypass the intermediate step-down conversion [email protected] or visit www. support battery-powered or battery-backed discovered at the ISR. Thanks to Bernard’s detector collected data during the fi rst LEP with Bernard. stage traditionally employed in industrial narda-sts.com. applications. The single output converters leadership, the ISR Committee swiftly run in August 1989. It was completed for the ● His friends and colleagues. applications. The ISL8117 synchronous accommodate a 4:1 input range from step-down PWM controller’s low-duty cycle The ORTEC Products Group of AMETEK 9–36 VDC, suiting 12 or 24 VDC nominal (40 ns minimum on time) enables the direct Advanced Measurement Technology has input. Both series are available with a choice step-down conversion from 48 V to a 1 V announced the release of Profi le “SP” Series of a 5, 9, 12, 15 or 24 VDC nominal output. Yanglai Cho 1932–2015 point-of-load. This technical achievement P-type high-purity germanium (HPGe) The DDC15 model is available with a makes it possible for designers to reduce system detectors, providing premium resolution 3.3 VDC output. Input-to-output isolation is complexity in infrastructure applications. For at low to medium energies for a range of 1500 VDC. For further information, contact Yanglai Cho, a principal member of the small Laboratory, passed away on 14 June. He was Seoul National University in 1956, his more information, contact Mark Alden, tel +1 demanding, radiation-detection applications. Steve Head, tel +44 118 984 5515, e-mail dedicated team that brought the Advanced 82 years of age. Master’s from Brigham Young University 408 546 3402, e-mail [email protected] or The detectors employ a low-noise back [email protected] or visit www.xppower. Photon Source (APS) to Argonne National Cho received his BS in physics from in 1958 and his PhD from the Carnegie visit www.intersil.com/products/isl8117. contact combined with a semi-planar crystal com.

42 43

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