CERN Courier October 2018 CERN Courier October 2018 ccelerators Faces & Places R D, engineering and design, and construction. The DOE r i et al. ur. h s. . Office of Nuclear Physics is already supporting increased e i o et al. ur. h s. . efforts towards the most critical generic EIC-related accelerator e i et al. e . art. Nucl. ci. research and design. eu Co or io ur. h s. . C A p p o i n t m e n t But the EIC is by no means a US-only facility (fi gure 2). A large international physics community, comprising more than 800 R s m members from 150 institutions in 30 countries and six continents, Un collisionneur électron-ion se profi le à l’horizon New director for particle physics at RAL is now energised and working on the scientifi c and technical chal- D Newbold lenges of the machine. An EIC users group (www.eicug.org) was Des acad mies nationales am ricaines ont soulign le tr s grand Dave Newbold from the University of Bristol technicians working across a number of formed in late 2015 and has held meetings at the University of intérêt scientifi que qu’aurait un collisionneur électron-ion de has been appointed director of the particle areas. It currently hosts two major research California at Berkeley, Argonne National Laboratory, and Trieste, pointe capable de révéler comment la matière se forme à partir physics department for the UK’s Science facilities – the ISIS neutron and muon source Italy, with the most recent taking place at the Catholic University de quarks et de gluons. Deux pré-études de conception ont été and Technology Facilities Council (STFC), and the Central Laser Facility – and is a of America in Washington, DC in July. The EIC user group meet- proposées, l’une au Laboratoire national de Brookhaven et l’autre based at the Rutherford Appleton Laboratory Tier-1 node of the CERN–UK distributed ings in Trieste and Washington included presentations of US and au Laboratoire Jefferson. Les exigences pour un accélérateur de (RAL) in Oxfordshire. Previously head computing grid, GridPP. of particle physics at the University of Among his goals as director of the particle international funding agency perspectives, further endorsing the ce type repousseraient les frontières de la technologie actuelle. Bristol, Newbold is a member of the CMS physics department, Newbold intends to strong international interest in the EIC. Such a facility would have Tout comme la diffraction des rayons X, qui a conduit, il y a un collaboration and currently leads the UK’s focus on integrating RAL more closely capabilities beyond all previous electron-scattering machines in siècle, à des progrès considérables dans la visualisation de la CMS upgrade programme. He is also trigger with UK universities and to strengthen the US, Europe and Asia, and would be the most sophisticated structure atomique et moléculaire de la matière, un collisionneur and data-acquisition coordinator for the relations with CERN and other international and challenging accelerator currently proposed for construction électron-ion pourrait marquer un tournant dans notre international Deep Underground Neutrino laboratories. “RAL particle physics has in the US. compréhension de la QCD et des caractéristiques fondamentales Experiment based in the US. Succeeding Dave a world-class team, backed with all the de l’interaction forte. Wark of the University of Oxford, Newbold facilities of the national lab,” he says. “With took up the new position at RAL in September. Dave Newbold took up his new role at LHC upgrade construction now starting, ● F rther reading Funded and managed by the STFC, Rutherford in September. we have an intense few years of activity N io e ie o ie e E i eeri e i i e El e Caroline Aschena er Broo haven National aboratory and RAL supports the UK particle physics coming up across the UK institutes – we’ll oi Rolf Ent e erson ab programme by providing capabilities that recently marked its 60th anniversary (CERN be supporting that, and developing plans for complement and go beyond what can be done Courier March 2018 p46) and comprises a number of new projects in particle physics. in individual universities. The laboratory more than 1000 researchers, engineers and I’m looking forward to the challenge.” We are in the loop A w A r d s You know what Friedrich Wilhelm Bessel award for Higgs phenomenology you want to detect: Theorist Michael Spannowsky of the Michael Spannowsky of Durham University. Institute for Particle Physics Phenomenology at Durham University in the UK has been research project with colleagues at a - X-rays awarded a Friedrich Wilhelm Bessel German institution. Research Award in recognition of his work UniversityDurham Spannowsky’s research has contributed - Gamma-rays on Higgs-boson phenomenology. to the design of novel reconstruction and The award recognises a recipient’s analysis strategies to improve measurements - Neutrons outstanding research record and covers of the top- and bottom-quark Yukawa a number of disciplines, not just physics. couplings and the Higgs self-interaction. - Particles The Alexander von Humboldt Foundation He will use his award to collaborate with grants about 20 awards per year and winners colleagues at the University of Tübingen in receive funding to enable them to spend southwest Germany on research into dark up to a year collaborating on a long-term matter and Higgs phenomenology.
Flow Monitoring by ELETTA. D Bushmire year’s NSREC, which took place in Kona, Extreme reliability on your NSREC accolade Hawaii, on 16–20 July. cooling systems. The paper (doi:10.1109/TNS.2017. for radiation paper 2760629), which summarises the work Safety on critical applications. of a collaborative effort between CERN and the universities of Padova, Salento, Supplier for more than Federico Faccio from CERN has received Udine and Vanderbilt, marks an important the Outstanding Conference Paper Award contribution to the understanding of how 40 years at CERN and other SCIONIX Holland B.V. for the 2017 IEEE Nuclear and Space radiation influences the behaviour of particle accelerators. Tel. +31 30 6570312 Radiation Effects Conference (NSREC), modern CMOS processes. Faccio leads a Fax. +31 30 6567563 We know how to as lead author of the paper titled “Influence small team of experts at CERN studying + www.eletta.com Email. [email protected] of LDD spacers and H transport on the radiation effects in microelectronics, for [email protected] build your detectors total ionising-dose response of 65 nm instance identifying commercially available www.scionix.nl MOSFETs irradiated to ultra-high doses”. Faccio (far left) together with co-authors processes for use in the extreme radiation The prestigious award was presented at this from the other collaborating institutes. environment of the LHC detectors.
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CCOct18_EIC_v4.indd 34 21/09/2018 13:36 CCOct18_Faces&Places_v3.indd 35 21/09/2018 13:43 CERNCOURIER www. V o l u m e 5 8 N u m b e r 8 O c t o b e r 2 0 1 8 CERN Courier October 2018 CERN Courier October 2018 Faces & Places Faces & Places Swiss Physical Society presents annual awards A Minamizaki Swiss Physical Society Physical Swiss At its 2018 annual meeting, held at École Polytechnique Fédérale de Lausanne (EPFL) on 28–31 August, the Swiss Physical Society (SPS) recognised the achievements of four researchers working in the area of high-energy physics. Theorist Lavinia Heisenberg, a junior fellow at ETH Zurich, was presented with the ABB General Physics Prize “for her pioneering and essential contributions to alternative theories of gravity”. Heisenberg The participants of the ISVHECRI 2018 symposium, which took place in Nagoya in Japan. studies the fundamental properties of field theories, their cosmological consequences Showcasing several models of high-energy A public lecture, “Exploring the Invisible at the LHC and a study of multi-particle and possible signatures, with the aim of cosmic-ray interactions, and their Universe” by Nobel Laureate Takaaki Kajita, production at a future circular collider. The comparing general relativity with alternative verification by accelerator measurements, attracted more than 250 participants, which cosmic-ray community is very enthusiastic theories of gravity. was also a highlight of the symposium. was complemented by a tour of the nuclear about a future proton–oxygen run since, The Charpak-Ritz Prize 2018, granted The event offered a unique opportunity for emulsion lab of Nagoya University to see even with a short run of 100 million jointly by the SPS and the French Physical developers of major cosmic-ray interaction state-of-the-art emulsion technology. The events, charged particle and pion spectra Society, was presented to Roland Horisberger models to gather and engage in valuable progress in this technology was clearly could be measured to an accuracy of 10% of the Paul Scherrer Institute at the Journées discussions. Other highlights were the talks visible when Edison Shibuya and others – a five-fold improvement over current de la Matière Condensée in Grenoble on 27 about accelerator data relevant to cosmic-ray recalled the early days of studying cosmic model uncertainties that would bring us a August for his extensive work development observations, reported by the teams behind rays with emulsion chambers and Saavedra’s crucial step closer to unveiling the cosmic of precision silicon vertex detectors. CERN’s large LHC experiments as well related pioneering contributions. accelerators of the highest energy particles in Horisberger made important contributions as smaller fixed-target experiments such There were many discussions on the universe. to the silicon microstrip detector for the as NA61. Emphasis was put on forward future studies of relevance to cosmic-ray The next ISVHECRI will be held in June DELPHI experiment at CERN’s Large Clockwise from top left: Lavinia Heisenberg (on right, with SPS president Hans Peter measurements by ATLAS, CMS, LHCb interactions and astroparticle physics. Hans 2020 at Ooty, the location of the GRAPES Electron Positron Collider, the H1-central Beck), Roland Horisberger (right), Maurice Bourquin, and Claudia Tambasco and LHCf, including first results from the Dembinski discussed prospects in the near air-shower experiment in India. vertex detector at DESY’s HERA collider, (on right, with Adrian Signer, chair of the CHIPP Prize committee). SMOG gas-jet target measurements of and far future in collider experiments, ● Yoshitaka Itow, Nagoya University, and and the pixel detector for the CMS experiment LHCb (see p15). including possible proton–oxygen runs Ralph Engel (KIT, Karlsruhe). at the Large Hadron Collider (LHC). He has damping of the LHC beams, a process that president of the CERN Council, was made also successfully transferred novel detector reduces beam losses caused by interactions an honorary member of the SPS. Bourquin technologies, such as PILATUS pixel between the proton beam and the vacuum was recognised for his enormous scientific detectors, to the field of synchrotron science. pipe. The results led to a proposal that achievements in particle and astroparticle Higgs hunters meet up in Orsay and Paris
Accelerator physicist Claudia Tambasco increased the integrated luminosity, and physics, his extraordinary commitment L Fayard of EPFL received the 2018 Swiss Institute have also been applied to future colliders in science policy at CERN and at Swiss The 9th Higgs Hunting workshop took place of Particle Physics (CHIPP) Prize for PhD such as the FCC. universities implementing the Bologna in Orsay and Paris on 23–25 July, attracting research that improved the understanding Finally, Maurice Bourquin of the Reform, and also for his far-sighted 120 physicists for lively discussions of the stability of proton beams in the LHC. University of Geneva, who in 2001 was commitment to the promotion of future about recent results in the Higgs sector. In her thesis work she measured the Landau elected as the first and so-far-only Swiss thorium-based nuclear reactors. The ATLAS and CMS collaborations presented results based on up to 80 fb–1 of M e e t i n g s data recorded at an energy of 13 TeV, wh ich corresponds to almost all the data that has been taken so far at the LHC. The statistical Particle interactions up to the highest energies uncertainty on some measured properties of the Higgs boson, such as the production The 20th International Symposium In his opening address, Sunil Gupta paid a and Telescope Array, as well as from cross-section, is now almost three times on Very High Energy Cosmic Ray tribute to Oscar Saavedra, one of the leading IceCube, Super-Kamiokande, CTA and smaller with the 13 TeV data than it was Interactions (ISVHECRI 2018) was held scientists and founders of the ISVHECRI HAWC, and space-borne experiments such after LHC Run 1 at energies of 7 and 8 TeV, in Nagoya, Japan, on 21–25 May. More series, who passed away in 2018. Following as AMS-02, Fermi and CALET. and in several cases the overall uncertainty than 120 attendees from 19 countries the long tradition of this symposium Participants discussed how many open is reaching a point at which the systematic discussed various aspects of hadronic series, the main topic was the discussion of questions in high-energy astroparticle uncertainty becomes dominant. interactions at the intersection between particle physics of relevance to extensive air physics are related to our understanding Several searches for phenomena beyond high-energy cosmic-ray physics and showers, secondary cosmic-ray production, of cosmic-ray interactions from the the Standard Model, in particular for The Higgs Hunting 2018 workshop participants. classical accelerator-based particle physics. and hadronic multi-particle production at multi-messenger point of view; for example, additional Higgs bosons, were presented. The 65 contributions reflected the large accelerators. This time, the symposium the relevance of production and propagation No significant excess above background potential of the High Luminosity LHC and secretary for the update. diversity and interdisciplinary character of expanded its coverage of multi-messenger of positrons or antimatter for indirect expectations was reported. The historical possible future colliders, in view of the The next Higgs Hunting workshop will be this biennial series, which is held under the astrophysics, especially to neutrino and dark-matter searches, or of atmospheric- talk was given by Lyn Evans, who served upcoming update of the European strategy in Orsay and/or Paris from 29 to 31 July 2019. ● Louis Fayard, Laboratoire de l’Accélérateur
auspices of the International Union of Pure gamma-ray astrophysics. Many talks were neutrino production for neutrino s as the project leader of the LHC. The last for particle physics. The last session was and Applied Physics. invited from the Pierre Auger Observatory oscillations or neutrino astronomy. day of the event was devoted to the physics chaired by Halina Abramowicz, the strategy Linéaire.
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CCOct18_Faces&Places_v3.indd 36 21/09/2018 13:43 CCOct18_Faces&Places_v3.indd 37 21/09/2018 13:44 CERNCOURIER www. V o l u m e 5 8 N u m b e r 8 O c t o b e r 2 0 1 8 CERN Courier October 2018 CERN Courier October 2018 Faces & Places Faces & Places Swiss Physical Society presents annual awards A Minamizaki Swiss Physical Society Physical Swiss At its 2018 annual meeting, held at École Polytechnique Fédérale de Lausanne (EPFL) on 28–31 August, the Swiss Physical Society (SPS) recognised the achievements of four researchers working in the area of high-energy physics. Theorist Lavinia Heisenberg, a junior fellow at ETH Zurich, was presented with the ABB General Physics Prize “for her pioneering and essential contributions to alternative theories of gravity”. Heisenberg The participants of the ISVHECRI 2018 symposium, which took place in Nagoya in Japan. studies the fundamental properties of field theories, their cosmological consequences Showcasing several models of high-energy A public lecture, “Exploring the Invisible at the LHC and a study of multi-particle and possible signatures, with the aim of cosmic-ray interactions, and their Universe” by Nobel Laureate Takaaki Kajita, production at a future circular collider. The comparing general relativity with alternative verification by accelerator measurements, attracted more than 250 participants, which cosmic-ray community is very enthusiastic theories of gravity. was also a highlight of the symposium. was complemented by a tour of the nuclear about a future proton–oxygen run since, The Charpak-Ritz Prize 2018, granted The event offered a unique opportunity for emulsion lab of Nagoya University to see even with a short run of 100 million jointly by the SPS and the French Physical developers of major cosmic-ray interaction state-of-the-art emulsion technology. The events, charged particle and pion spectra Society, was presented to Roland Horisberger models to gather and engage in valuable progress in this technology was clearly could be measured to an accuracy of 10% of the Paul Scherrer Institute at the Journées discussions. Other highlights were the talks visible when Edison Shibuya and others – a five-fold improvement over current de la Matière Condensée in Grenoble on 27 about accelerator data relevant to cosmic-ray recalled the early days of studying cosmic model uncertainties that would bring us a August for his extensive work development observations, reported by the teams behind rays with emulsion chambers and Saavedra’s crucial step closer to unveiling the cosmic of precision silicon vertex detectors. CERN’s large LHC experiments as well related pioneering contributions. accelerators of the highest energy particles in Horisberger made important contributions as smaller fixed-target experiments such There were many discussions on the universe. to the silicon microstrip detector for the as NA61. Emphasis was put on forward future studies of relevance to cosmic-ray The next ISVHECRI will be held in June DELPHI experiment at CERN’s Large Clockwise from top left: Lavinia Heisenberg (on right, with SPS president Hans Peter measurements by ATLAS, CMS, LHCb interactions and astroparticle physics. Hans 2020 at Ooty, the location of the GRAPES Electron Positron Collider, the H1-central Beck), Roland Horisberger (right), Maurice Bourquin, and Claudia Tambasco and LHCf, including first results from the Dembinski discussed prospects in the near air-shower experiment in India. vertex detector at DESY’s HERA collider, (on right, with Adrian Signer, chair of the CHIPP Prize committee). SMOG gas-jet target measurements of and far future in collider experiments, ● Yoshitaka Itow, Nagoya University, and and the pixel detector for the CMS experiment LHCb (see p15). including possible proton–oxygen runs Ralph Engel (KIT, Karlsruhe). at the Large Hadron Collider (LHC). He has damping of the LHC beams, a process that president of the CERN Council, was made also successfully transferred novel detector reduces beam losses caused by interactions an honorary member of the SPS. Bourquin technologies, such as PILATUS pixel between the proton beam and the vacuum was recognised for his enormous scientific detectors, to the field of synchrotron science. pipe. The results led to a proposal that achievements in particle and astroparticle Higgs hunters meet up in Orsay and Paris
Accelerator physicist Claudia Tambasco increased the integrated luminosity, and physics, his extraordinary commitment L Fayard of EPFL received the 2018 Swiss Institute have also been applied to future colliders in science policy at CERN and at Swiss The 9th Higgs Hunting workshop took place of Particle Physics (CHIPP) Prize for PhD such as the FCC. universities implementing the Bologna in Orsay and Paris on 23–25 July, attracting research that improved the understanding Finally, Maurice Bourquin of the Reform, and also for his far-sighted 120 physicists for lively discussions of the stability of proton beams in the LHC. University of Geneva, who in 2001 was commitment to the promotion of future about recent results in the Higgs sector. In her thesis work she measured the Landau elected as the first and so-far-only Swiss thorium-based nuclear reactors. The ATLAS and CMS collaborations presented results based on up to 80 fb–1 of M e e t i n g s data recorded at an energy of 13 TeV, wh ich corresponds to almost all the data that has been taken so far at the LHC. The statistical Particle interactions up to the highest energies uncertainty on some measured properties of the Higgs boson, such as the production The 20th International Symposium In his opening address, Sunil Gupta paid a and Telescope Array, as well as from cross-section, is now almost three times on Very High Energy Cosmic Ray tribute to Oscar Saavedra, one of the leading IceCube, Super-Kamiokande, CTA and smaller with the 13 TeV data than it was Interactions (ISVHECRI 2018) was held scientists and founders of the ISVHECRI HAWC, and space-borne experiments such after LHC Run 1 at energies of 7 and 8 TeV, in Nagoya, Japan, on 21–25 May. More series, who passed away in 2018. Following as AMS-02, Fermi and CALET. and in several cases the overall uncertainty than 120 attendees from 19 countries the long tradition of this symposium Participants discussed how many open is reaching a point at which the systematic discussed various aspects of hadronic series, the main topic was the discussion of questions in high-energy astroparticle uncertainty becomes dominant. interactions at the intersection between particle physics of relevance to extensive air physics are related to our understanding Several searches for phenomena beyond high-energy cosmic-ray physics and showers, secondary cosmic-ray production, of cosmic-ray interactions from the the Standard Model, in particular for The Higgs Hunting 2018 workshop participants. classical accelerator-based particle physics. and hadronic multi-particle production at multi-messenger point of view; for example, additional Higgs bosons, were presented. The 65 contributions reflected the large accelerators. This time, the symposium the relevance of production and propagation No significant excess above background potential of the High Luminosity LHC and secretary for the update. diversity and interdisciplinary character of expanded its coverage of multi-messenger of positrons or antimatter for indirect expectations was reported. The historical possible future colliders, in view of the The next Higgs Hunting workshop will be this biennial series, which is held under the astrophysics, especially to neutrino and dark-matter searches, or of atmospheric- talk was given by Lyn Evans, who served upcoming update of the European strategy in Orsay and/or Paris from 29 to 31 July 2019. ● Louis Fayard, Laboratoire de l’Accélérateur
auspices of the International Union of Pure gamma-ray astrophysics. Many talks were neutrino production for neutrino s as the project leader of the LHC. The last for particle physics. The last session was and Applied Physics. invited from the Pierre Auger Observatory oscillations or neutrino astronomy. day of the event was devoted to the physics chaired by Halina Abramowicz, the strategy Linéaire.
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O u t r e a c h Göttingen hosts HASCO summer school Packed house for CHEP public event N Kasioumis C Nellist This year’s Hadron Collider Physics Summer A large and enthusiastic crowd attended community has become increasingly School (HASCO 2018) took place on “Universal Science,” a public event engaged in public outreach. 22–27 July in Göttingen, Germany, marking preceding the International Conference on Hands-on exhibits, including interactive the seventh consecutive year that this Computing for High Energy and Nuclear virtual-reality displays, entertained and dynamic and international school, primarily Physics (CHEP), in Sofia, Bulgaria, on informed the audience. Andreas Salzburger, aimed at master’s students, has been offered. 8 July. With the three-part theme of research, a physicist on the ATLAS experiment, This year, 40 undergraduate students computing and diversity, tickets for the kicked off the evening with a short talk on the from 18 different institutes in 12 countries event sold out well before deadline, and motivation for and history of particle physics. came together for a week to learn about overflow had to be accommodated through This was followed by talks on diversity by hadron-collider physics. The nine lecturers online participation. Lee Bitsoi of Stony Brook University and also came from a variety of institutes Such an outreach event is not typical on the growth of distributed computing by throughout the world. The students learnt for CHEP, a conference that focuses on CERN computer engineer Hannah Short. about the foundations of quantum field specialised topics such as distributed Audience Q&A with the scientific panel Talks were followed by a panel discussion theory and hadron-collider physics, computing, event reconstruction, data (from left): Steven Goldfarb, Andreas generating a barrage of questions from both particularly in the context the Large Hadron handling and virtualisation. This year’s Salzburger, Lee Bitsoi, and Hannah Short. the local audience and those connecting via Collider (LHC). organising committee, however, saw it as an Facebook Live. The event was organised by At the HASCO school, numerous research The HASCO 2018 students. opportunity to reach out to the local public events have grown in popularity at other CHEP, Ratio, IPPOG, Brookhaven National topics are discussed, among them quantum and to foster open discussion on the impact of major conferences, such as ICHEP, EPS and Lab, ATLAS and Belle II. chromodynamics, jet physics, statistical of the Higgs boson and the new opportunities written examination at the end of the school particle-physics research on society. Similar LHCP, and the particle-physics-computing ● Steven Goldfarb, University of Melbourne. methods in data analysis, accelerator physics, that come with the high-statistics data and received three European Credit Transfer detector physics, top-quark physics and sample being recorded during the LHC’s System points, for which they can obtain O b i t u a r i e s searches for supersymmetry or exotic models 13 TeV run. course credits at their home universities. and particles. The focus was on the physics Almost all participating students passed the ● Stan Lai and Arnulf Quadt, University of Göttingen. Joachim Kupsch 1939–2018 O u t r e a c h Research infrastructures event Eminent mathematical physicist Joachim fundamental analyticity constraints? CERN is guest of Kupsch passed away in Heidelberg, Germany, In 1968, David Atkinson pioneered on 19 June aged 78. He made wide-ranging the theoretical construction of pion–pion brings particle physics into focus honour at Swiss contributions to scattering theory and scattering amplitudes obeying Mandelstam elementary particle physics, quantum field representation, crossing symmetry and theory and infinite-dimensional analysis, elastic unitarity in the elastic region, and the The 4th International Conference on National Day Fermionic integration and supersymmetry, inelastic unitarity inequalities in the inelastic Research Infrastructures (ICRI 2018), held not to mention open systems and decoherence. region. Atkinson obtained an amplitude in Vienna on 12–14 September, offered a On 1 August, CERN was the City of Geneva’s He also had many collaborators, most of with a total cross section decreasing at high forum for discussions about international guest of honour at the Swiss National Day them from Germany. His work, always energies. Joachim joined this research with cooperation for research infrastructures celebrations. Many thousands of visitors had characterised by mathematical rigour and full vigour. After persevering for nearly (RIs), with participants from more than 50 the opportunity to learn about the laboratory’s scholarly exposition, includes three books. 12 years, and after many intermediate results, countries taking part. During an intense activities via workshops, virtual-reality The last – Quantum Fields and Processes: he constructed a pion–pion amplitude
programme, participants drafted a roadmap OPEN-PHO-MISC-2018-009-13 tours, physics demonstrations, educational A combinatorial approach (Cambridge saturating the Froissart–Martin bound, and to inform Europe’s policy and investment in games and a new “Particle Identities” quiz. University Press) came out in March 2018. obeying Mandelstam analyticity, crossing RIs, with CERN’s director for international Participants also visited the CERN Data Joachim received his diploma in physics symmetry and inelastic unitarity in the relations, Charlotte Warakaulle, offering Centre via virtual-reality headsets. from the University of Köln in 1966 and inelastic region. The result is significant
a glimpse of the organisation’s plans and CERN-PHOTO-201808-185-7 embarked on a postdoc at the University of because the bound appears to be saturated ongoing R&D for future colliders and Bonn. He worked on analytic scattering theory Joachim Kupsch made wide-ranging at the LHC. An essential ingredient in his detectors. The new ESFRI 2018 roadmap during his tenure as a CERN fellow from 1968 contributions to scattering theory. proof is the Auberson–Kinoshita–Martin was presented, including a “landmark” to 1970, where he was influenced deeply by theorem. Perhaps Joachim’s efforts in 1970 portfolio of 37 long-term engagements in all André Martin. After postdoctoral work and (equal to a constant times the square of the did not succeed because this theorem was not fields of science and 18 projects. The ICRI 2018 conference featured a new habilitation at the University of Heidelberg logarithm of energy) on the total cross section yet published. The main constraint not yet During the event, a new exhibition photography exhibition. (1970–1973), Joachim secured a permanent of a two-particle scattering process. It was first incorporated in Joachim’s 1982 construction “CODE of the Universe” also made its first position at the University of Kaiserslautern derived by Marcel Froissart in 1961 assuming is elastic unitarity in the elastic region. international stop. The exhibition (pictured) the same day, bringing together scientists, from 1973 to 2005 and then became an Mandelstam representation with a finite Joachim died in the arms of Sigrid addresses open questions in physics and entrepreneurs and politicians to discuss: emeritus professor. During 1985–1986 he number of subtractions; and was rigorously Kupsch-Losereit, his beloved wife of 45 years. the role of particle accelerators both in “Research: Why does it matter to me?” visited CERN many times, and until 2008 had proved by Martin in 1966 using only unitarity His friends knew him to be a warm, soft fundamental research and as concrete Participants included former CERN guest-professor positions in China (Beijing and analyticity properties following from spoken, affable and kind person; he will be applications. It is organised by CERN, the Director-General Rolf Heuer and George and Shanghai), Portugal (Lisbon) and India axiomatic field theory, in particular the sorely missed for both his academic and Institute of High Energy Physics (HEPHY), Bednorz, who shared the 1987 Nobel (Mumbai, Chennai, Pune and Delhi). analyticity of the absorptive part in the human qualities. the Natural History Museum of Vienna Prize in Physics for the discovery of One of the outstanding results of the Lehmann–Martin ellipse. The question was ● Shasanka Roy, Tata Institute of Fundamental and publisher Edition Lammerhuber. A high-temperature superconductivity. analytic S-matrix theory is the Froissart– whether it was possible to construct scattering Research, with input from André Martin and public event was hosted on the evening of ● Panos Charitos, CERN. Martin bound, which sets an upper limit amplitudes that saturate this bound and obey Sigrid Kupsch-Losereit.
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O u t r e a c h Göttingen hosts HASCO summer school Packed house for CHEP public event N Kasioumis C Nellist This year’s Hadron Collider Physics Summer A large and enthusiastic crowd attended community has become increasingly School (HASCO 2018) took place on “Universal Science,” a public event engaged in public outreach. 22–27 July in Göttingen, Germany, marking preceding the International Conference on Hands-on exhibits, including interactive the seventh consecutive year that this Computing for High Energy and Nuclear virtual-reality displays, entertained and dynamic and international school, primarily Physics (CHEP), in Sofia, Bulgaria, on informed the audience. Andreas Salzburger, aimed at master’s students, has been offered. 8 July. With the three-part theme of research, a physicist on the ATLAS experiment, This year, 40 undergraduate students computing and diversity, tickets for the kicked off the evening with a short talk on the from 18 different institutes in 12 countries event sold out well before deadline, and motivation for and history of particle physics. came together for a week to learn about overflow had to be accommodated through This was followed by talks on diversity by hadron-collider physics. The nine lecturers online participation. Lee Bitsoi of Stony Brook University and also came from a variety of institutes Such an outreach event is not typical on the growth of distributed computing by throughout the world. The students learnt for CHEP, a conference that focuses on CERN computer engineer Hannah Short. about the foundations of quantum field specialised topics such as distributed Audience Q&A with the scientific panel Talks were followed by a panel discussion theory and hadron-collider physics, computing, event reconstruction, data (from left): Steven Goldfarb, Andreas generating a barrage of questions from both particularly in the context the Large Hadron handling and virtualisation. This year’s Salzburger, Lee Bitsoi, and Hannah Short. the local audience and those connecting via Collider (LHC). organising committee, however, saw it as an Facebook Live. The event was organised by At the HASCO school, numerous research The HASCO 2018 students. opportunity to reach out to the local public events have grown in popularity at other CHEP, Ratio, IPPOG, Brookhaven National topics are discussed, among them quantum and to foster open discussion on the impact of major conferences, such as ICHEP, EPS and Lab, ATLAS and Belle II. chromodynamics, jet physics, statistical of the Higgs boson and the new opportunities written examination at the end of the school particle-physics research on society. Similar LHCP, and the particle-physics-computing ● Steven Goldfarb, University of Melbourne. methods in data analysis, accelerator physics, that come with the high-statistics data and received three European Credit Transfer detector physics, top-quark physics and sample being recorded during the LHC’s System points, for which they can obtain O b i t u a r i e s searches for supersymmetry or exotic models 13 TeV run. course credits at their home universities. and particles. The focus was on the physics Almost all participating students passed the ● Stan Lai and Arnulf Quadt, University of Göttingen. Joachim Kupsch 1939–2018 O u t r e a c h Research infrastructures event Eminent mathematical physicist Joachim fundamental analyticity constraints? CERN is guest of Kupsch passed away in Heidelberg, Germany, In 1968, David Atkinson pioneered on 19 June aged 78. He made wide-ranging the theoretical construction of pion–pion brings particle physics into focus honour at Swiss contributions to scattering theory and scattering amplitudes obeying Mandelstam elementary particle physics, quantum field representation, crossing symmetry and theory and infinite-dimensional analysis, elastic unitarity in the elastic region, and the The 4th International Conference on National Day Fermionic integration and supersymmetry, inelastic unitarity inequalities in the inelastic Research Infrastructures (ICRI 2018), held not to mention open systems and decoherence. region. Atkinson obtained an amplitude in Vienna on 12–14 September, offered a On 1 August, CERN was the City of Geneva’s He also had many collaborators, most of with a total cross section decreasing at high forum for discussions about international guest of honour at the Swiss National Day them from Germany. His work, always energies. Joachim joined this research with cooperation for research infrastructures celebrations. Many thousands of visitors had characterised by mathematical rigour and full vigour. After persevering for nearly (RIs), with participants from more than 50 the opportunity to learn about the laboratory’s scholarly exposition, includes three books. 12 years, and after many intermediate results, countries taking part. During an intense activities via workshops, virtual-reality The last – Quantum Fields and Processes: he constructed a pion–pion amplitude
programme, participants drafted a roadmap OPEN-PHO-MISC-2018-009-13 tours, physics demonstrations, educational A combinatorial approach (Cambridge saturating the Froissart–Martin bound, and to inform Europe’s policy and investment in games and a new “Particle Identities” quiz. University Press) came out in March 2018. obeying Mandelstam analyticity, crossing RIs, with CERN’s director for international Participants also visited the CERN Data Joachim received his diploma in physics symmetry and inelastic unitarity in the relations, Charlotte Warakaulle, offering Centre via virtual-reality headsets. from the University of Köln in 1966 and inelastic region. The result is significant
a glimpse of the organisation’s plans and CERN-PHOTO-201808-185-7 embarked on a postdoc at the University of because the bound appears to be saturated ongoing R&D for future colliders and Bonn. He worked on analytic scattering theory Joachim Kupsch made wide-ranging at the LHC. An essential ingredient in his detectors. The new ESFRI 2018 roadmap during his tenure as a CERN fellow from 1968 contributions to scattering theory. proof is the Auberson–Kinoshita–Martin was presented, including a “landmark” to 1970, where he was influenced deeply by theorem. Perhaps Joachim’s efforts in 1970 portfolio of 37 long-term engagements in all André Martin. After postdoctoral work and (equal to a constant times the square of the did not succeed because this theorem was not fields of science and 18 projects. The ICRI 2018 conference featured a new habilitation at the University of Heidelberg logarithm of energy) on the total cross section yet published. The main constraint not yet During the event, a new exhibition photography exhibition. (1970–1973), Joachim secured a permanent of a two-particle scattering process. It was first incorporated in Joachim’s 1982 construction “CODE of the Universe” also made its first position at the University of Kaiserslautern derived by Marcel Froissart in 1961 assuming is elastic unitarity in the elastic region. international stop. The exhibition (pictured) the same day, bringing together scientists, from 1973 to 2005 and then became an Mandelstam representation with a finite Joachim died in the arms of Sigrid addresses open questions in physics and entrepreneurs and politicians to discuss: emeritus professor. During 1985–1986 he number of subtractions; and was rigorously Kupsch-Losereit, his beloved wife of 45 years. the role of particle accelerators both in “Research: Why does it matter to me?” visited CERN many times, and until 2008 had proved by Martin in 1966 using only unitarity His friends knew him to be a warm, soft fundamental research and as concrete Participants included former CERN guest-professor positions in China (Beijing and analyticity properties following from spoken, affable and kind person; he will be applications. It is organised by CERN, the Director-General Rolf Heuer and George and Shanghai), Portugal (Lisbon) and India axiomatic field theory, in particular the sorely missed for both his academic and Institute of High Energy Physics (HEPHY), Bednorz, who shared the 1987 Nobel (Mumbai, Chennai, Pune and Delhi). analyticity of the absorptive part in the human qualities. the Natural History Museum of Vienna Prize in Physics for the discovery of One of the outstanding results of the Lehmann–Martin ellipse. The question was ● Shasanka Roy, Tata Institute of Fundamental and publisher Edition Lammerhuber. A high-temperature superconductivity. analytic S-matrix theory is the Froissart– whether it was possible to construct scattering Research, with input from André Martin and public event was hosted on the evening of ● Panos Charitos, CERN. Martin bound, which sets an upper limit amplitudes that saturate this bound and obey Sigrid Kupsch-Losereit.
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CCOct18_Faces&Places_v3.indd 38 21/09/2018 13:44 CCOct18_Faces&Places_v3.indd 39 21/09/2018 13:45 CERNCOURIER www. V o l u m e 5 8 N u m b e r 8 O c t o b e r 2 0 1 8 CERN Courier October 2018 CERN Courier October 2018 Ultra High Performance Faces & Places Faces & Places Silicon Drift Detector
® the final result from the last experiment FAST SDD reached 0.5 parts per million. Each Count Rate = >1,000,000 CPS Bert Diddens 1928–2018 experiment was at the time seen as a tour de force, and the measurement added an important restraint on the imaginations of Diddens family The True State-of-the-Art On 28 August, following a short period design an experiment to study small-angle theorists. It was also striking that each new
of sickness, our friend and colleague Bert proton–proton scattering, introducing a measurement was within the error limits of OPEN-PHO-LIFE-2013-002-1 • New in-house manufacturing Diddens passed away at the respectable novel technique that later became known the previous ones. • Lower noise age of 90. He was one of the veterans in as “Roman Pots”. Just before he was asked Many other people, including CERN’s proud history of particle physics in 1975 to become the first scientific various highly renowned physicists, • Lower leakage current and the first scientific director of the Dutch director of the high-energy physics contributed to this long effort, but • Better charge collection high-energy physics institute Nikhef. section of Nikhef, Bert turned to Francis is the sole common author, Bert was born in the province of neutrino physics when his CERN team making seminal contributions to all of Compatible with EPICS tools & libraries Groningen, in the north of the Netherlands. joined Klaus Winter in the CHARM the experiments. The first experiment It is a region where people tend to be (CERN–Heidelberg–Amsterdam–Rome– was performed on the initiative of Leon 25 mm2 FAST SDD® 55Fe Spectrum 25 mm2 FAST SDD® straightforward and down-to-earth, and Moscow) experiment. Lederman, a CERN visitor at the time, 800,000 230K, Tpk = 8 µs 1,000,000 Bert fitted that description very well, even As a director at Nikhef he was at CERN’s first accelerator, the 600 MeV Peak to 1 keV background Mn Kα 26,000:1 100,000 up to his last days when telling his family responsible for shaping its first Synchrocyclotron. The other members of Mn Kβ 600,000 that he didn’t want flowers at his funeral, experimental programme, of which the noteworthy team on this experiment 10,000 as the money could be better spent on CHARM became a valuable part. As were Georges Charpak, Richard Garwin, COUNTS science. But behind this demeanour he Nikhef did not yet have its own building, Theo Muller, Hans Sens and Antonino 400,000 122 eV FWHM 1,000
was a gentle and sensitive person, loyal to Bert had the responsibility to make sure Zichichi. By the time of the second Farley made seminal contributions to the 100 his friends and colleagues. He remained that the design and construction of a new experiment, CERN’s Proton Synchrotron measurement of the muon magnetic moment. 200,000 interested in the sciences throughout his laboratory fitted the ambitions of the was operating and the second and third 10 Dutch high-energy physics community. 0 1 life, regularly visiting the Nikhef library to experiments were performed there – taking started to do research in wave energy. 0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 stay informed. This was illustrated by his The success of today’s Nikhef is to a advantage of the higher-energy muons This work continued through his Energy (keV) always to-the-point comments when the large extent determined by these first that the accelerator provided. Francis retirement, in parallel to the work on g-2. Resolution vs Peaking Time 180 jury consisting of him and all other former Bert Diddens was the first scientific developments. When Nikhef had to decide alone continued onto these experiments, In this area too, he established a formidable 25 mm2 Nikhef directors deliberated on what was director of Nikhef. which experiments to join at the Large but among others joining the experiments reputation, with many papers written and 170 the best PhD thesis of the past year. Electron Positron collider (LEP), it was was Emilio Picasso. Later Francis, again patents produced over a period of 40 years. Bert studied physics at the University In 1963 with Giuseppe Cocconi and Alan obvious that DELPHI would be one of alone, continued as a member of the most Indeed, his most recent paper on wave 160 Standard SDD of Groningen, where he also received his Wetherell, later joined by Jim Allaby, he them, extending into the LEP era the recently completed g-2 experiment at BNL. energy was published just a few days after 150 ® PhD. The experimental work that led to formed a group to study proton–proton amicable bonds with his former CERN In the spirit of always looking for major his death. 150 FAST SDD it, however, was done in Leiden, where he scattering at the Proton Synchrotron. The colleagues. He actively participated in improvements, it is noteworthy that in his Early in his retirement, he designed 140 on (eV FWHM @ 5.9 keV) @ 5.9 FWHM on(eV
studied gamma radiation from oriented experiment revealed that the slope of the the experiment after his directorship review paper “The 47 years of muon g-2”, the beam transport system for a ti 130
cobalt and manganese nuclei using diffraction peak shrinks with increasing came to an end in 1983 and was the thesis written with Yannis Semertzidis, a totally proton-therapy system at a cancer Resolution (eV FWHM @ 5.9 keV) Resolu low-temperature techniques. After his energy. A few years later, with Alan supervisor for many PhD students of both new structure for a muon storage ring is hospital, which was still being used more 120 PhD he joined the small group of and Jim, he initiated an experiment at DELPHI and CHARM. suggested, should greater accuracy be than 20 years later. He also published 0.000 1.00 1 2.00 2 3.00 3 4.00 4 5.00 5 Peaking Time µ(μs) physicists at the University of Liverpool in Serpukhov to study particle production We will all remember Bert Diddens with justified for a future experiment. a special-relativistic single-parameter Peaking Time ( s) the UK, which served as a warm-up and the total hadron–hadron cross section the greatest respect as a wonderful person, The first experiment showed that the analysis of data on redshifts of type 1A for CERN’s first experimental programme. at the then-highest proton energy of 70 G eV. an excellent physicist and a key figure muon was a “heavy electron”, the second supernovae that showed no evidence for Options: He worked on proton–proton scattering In 1970, with CERN’s Intersecting Storage in establishing Nikhef as an important validated electron loops in the photon acceleration or deceleration effects. Even • 25 mm2 active area collimated to 17 mm2 at the university’s synchrotron, a topic Rings being constructed, Bert with his player in the international community of propagator, and the third showed the more recently, he worked on other tests of • 70 mm2 collimated to 50 mm2 that remained a thread throughout his CERN colleagues joined Ugo Amaldi and high-energy physics institutes. contribution from virtual hadron loops. relativity based on analysis of data from the • Windows: Be (0.5 mil) 12.5 µm, or early career. Giorgio Matthiae of the Rome-ISS group to ● His friends and colleagues. Each measurement has spurred theoretical muon g-2 experiments. physicists to include more and more effects He received many honours, including C Series (Si3N4) in their calculations of the muon magnetic election to a fellow of the Royal Society • TO-8 package fits all Amptek configurations moment: higher-order corrections in and the Hughes Medal for his work at • Vacuum applications Francis Farley 1920–2018 quantum electrodynamics, first-order CERN on g-2. and then higher-order hadronic and Outside of work, Francis had a passion electroweak contributions. These advances for flying gliders, was a keen skier and Francis Farley, who played a pivotal role innovation. Following a secondment to UK); and wrote his first bookElements of in the theoretical prediction in turn justified windsurfer, a regular swimmer, and liked in experiments to measure the anomalous Chalk River Laboratories in Ontario, Pulse Circuits. the next generation of experiment, to give large American cars. All of these befitted a magnetic moment of the muon, passed Canada, he resumed his formal education In 1957 Francis joined CERN, where he an even more stringent test of theory. The hardworking but somewhat playboy image, away on 16 July at his home in the south of with a PhD in 1950 from the University of started his long and remarkable journey muon storage rings also allowed tests of that years later formed much of the basis of France at the age of 97. Cambridge, before starting his academic on experiments to measure the anomalous relativistic time dilation, with the third his novel Catalysed Fusion. The son of a British Army engineering career at Auckland University in New magnetic moment of the muon (muon g-2). experiment achieving an accuracy of 0.1% Francis was a wonderful source of officer, Francis was born in India and Zealand. During his time at Auckland, This endeavour would span nearly five for a “muon clock” moving at a speed of new ideas and insights, with a prodigious 40 Years of educated in England. Before he could he studied cosmic rays; represented New decades and four major experiments, 0.9994c and the most accurate test of the output. He was always enthusiastic, and Products for Your Imagination complete his education, he transferred to Zealand at a United Nations conference three at CERN and one at Brookhaven “twin paradox”. he could be charming but forceful, and a military research and worked on radar, on atomic energy for peaceful purposes; National Laboratory (BNL) in the US. During the 1970s, when he was again stickler for precision. ® AMPTEK Inc. developing his knowledge of electronics measured neutron yields from plutonium The initial result from the first experiment based in the UK and Dean of The Royal He will be much missed. [email protected] and demonstrating his abilities in fission (whilst on secondment to Harwell, had an accuracy of just 2%, whereas Military College of Science, Francis also ● His friends and colleagues. www.amptek.com
40 41
CCOct18_Faces&Places_v3.indd 40 21/09/2018 13:48 CCOct18_Faces&Places_v3.indd 41 21/09/2018 13:49 CERNCOURIER www. V o l u m e 5 8 N u m b e r 8 O c t o b e r 2 0 1 8 CERN Courier October 2018 CERN Courier October 2018 Ultra High Performance Faces & Places Faces & Places Silicon Drift Detector
® the final result from the last experiment FAST SDD reached 0.5 parts per million. Each Count Rate = >1,000,000 CPS Bert Diddens 1928–2018 experiment was at the time seen as a tour de force, and the measurement added an important restraint on the imaginations of Diddens family The True State-of-the-Art On 28 August, following a short period design an experiment to study small-angle theorists. It was also striking that each new
of sickness, our friend and colleague Bert proton–proton scattering, introducing a measurement was within the error limits of OPEN-PHO-LIFE-2013-002-1 • New in-house manufacturing Diddens passed away at the respectable novel technique that later became known the previous ones. • Lower noise age of 90. He was one of the veterans in as “Roman Pots”. Just before he was asked Many other people, including CERN’s proud history of particle physics in 1975 to become the first scientific various highly renowned physicists, • Lower leakage current and the first scientific director of the Dutch director of the high-energy physics contributed to this long effort, but • Better charge collection high-energy physics institute Nikhef. section of Nikhef, Bert turned to Francis is the sole common author, Bert was born in the province of neutrino physics when his CERN team making seminal contributions to all of Compatible with EPICS tools & libraries Groningen, in the north of the Netherlands. joined Klaus Winter in the CHARM the experiments. The first experiment It is a region where people tend to be (CERN–Heidelberg–Amsterdam–Rome– was performed on the initiative of Leon 25 mm2 FAST SDD® 55Fe Spectrum 25 mm2 FAST SDD® straightforward and down-to-earth, and Moscow) experiment. Lederman, a CERN visitor at the time, 800,000 230K, Tpk = 8 µs 1,000,000 Bert fitted that description very well, even As a director at Nikhef he was at CERN’s first accelerator, the 600 MeV Peak to 1 keV background Mn Kα 26,000:1 100,000 up to his last days when telling his family responsible for shaping its first Synchrocyclotron. The other members of Mn Kβ 600,000 that he didn’t want flowers at his funeral, experimental programme, of which the noteworthy team on this experiment 10,000 as the money could be better spent on CHARM became a valuable part. As were Georges Charpak, Richard Garwin, COUNTS science. But behind this demeanour he Nikhef did not yet have its own building, Theo Muller, Hans Sens and Antonino 400,000 122 eV FWHM 1,000
was a gentle and sensitive person, loyal to Bert had the responsibility to make sure Zichichi. By the time of the second Farley made seminal contributions to the 100 his friends and colleagues. He remained that the design and construction of a new experiment, CERN’s Proton Synchrotron measurement of the muon magnetic moment. 200,000 interested in the sciences throughout his laboratory fitted the ambitions of the was operating and the second and third 10 Dutch high-energy physics community. 0 1 life, regularly visiting the Nikhef library to experiments were performed there – taking started to do research in wave energy. 0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 stay informed. This was illustrated by his The success of today’s Nikhef is to a advantage of the higher-energy muons This work continued through his Energy (keV) always to-the-point comments when the large extent determined by these first that the accelerator provided. Francis retirement, in parallel to the work on g-2. Resolution vs Peaking Time 180 jury consisting of him and all other former Bert Diddens was the first scientific developments. When Nikhef had to decide alone continued onto these experiments, In this area too, he established a formidable 25 mm2 Nikhef directors deliberated on what was director of Nikhef. which experiments to join at the Large but among others joining the experiments reputation, with many papers written and 170 the best PhD thesis of the past year. Electron Positron collider (LEP), it was was Emilio Picasso. Later Francis, again patents produced over a period of 40 years. Bert studied physics at the University In 1963 with Giuseppe Cocconi and Alan obvious that DELPHI would be one of alone, continued as a member of the most Indeed, his most recent paper on wave 160 Standard SDD of Groningen, where he also received his Wetherell, later joined by Jim Allaby, he them, extending into the LEP era the recently completed g-2 experiment at BNL. energy was published just a few days after 150 ® PhD. The experimental work that led to formed a group to study proton–proton amicable bonds with his former CERN In the spirit of always looking for major his death. 150 FAST SDD it, however, was done in Leiden, where he scattering at the Proton Synchrotron. The colleagues. He actively participated in improvements, it is noteworthy that in his Early in his retirement, he designed 140 on (eV FWHM @ 5.9 keV) @ 5.9 FWHM on(eV
studied gamma radiation from oriented experiment revealed that the slope of the the experiment after his directorship review paper “The 47 years of muon g-2”, the beam transport system for a ti 130
cobalt and manganese nuclei using diffraction peak shrinks with increasing came to an end in 1983 and was the thesis written with Yannis Semertzidis, a totally proton-therapy system at a cancer Resolution (eV FWHM @ 5.9 keV) Resolu low-temperature techniques. After his energy. A few years later, with Alan supervisor for many PhD students of both new structure for a muon storage ring is hospital, which was still being used more 120 PhD he joined the small group of and Jim, he initiated an experiment at DELPHI and CHARM. suggested, should greater accuracy be than 20 years later. He also published 0.000 1.00 1 2.00 2 3.00 3 4.00 4 5.00 5 Peaking Time µ(μs) physicists at the University of Liverpool in Serpukhov to study particle production We will all remember Bert Diddens with justified for a future experiment. a special-relativistic single-parameter Peaking Time ( s) the UK, which served as a warm-up and the total hadron–hadron cross section the greatest respect as a wonderful person, The first experiment showed that the analysis of data on redshifts of type 1A for CERN’s first experimental programme. at the then-highest proton energy of 70 G eV. an excellent physicist and a key figure muon was a “heavy electron”, the second supernovae that showed no evidence for Options: He worked on proton–proton scattering In 1970, with CERN’s Intersecting Storage in establishing Nikhef as an important validated electron loops in the photon acceleration or deceleration effects. Even • 25 mm2 active area collimated to 17 mm2 at the university’s synchrotron, a topic Rings being constructed, Bert with his player in the international community of propagator, and the third showed the more recently, he worked on other tests of • 70 mm2 collimated to 50 mm2 that remained a thread throughout his CERN colleagues joined Ugo Amaldi and high-energy physics institutes. contribution from virtual hadron loops. relativity based on analysis of data from the • Windows: Be (0.5 mil) 12.5 µm, or early career. Giorgio Matthiae of the Rome-ISS group to ● His friends and colleagues. Each measurement has spurred theoretical muon g-2 experiments. physicists to include more and more effects He received many honours, including C Series (Si3N4) in their calculations of the muon magnetic election to a fellow of the Royal Society • TO-8 package fits all Amptek configurations moment: higher-order corrections in and the Hughes Medal for his work at • Vacuum applications Francis Farley 1920–2018 quantum electrodynamics, first-order CERN on g-2. and then higher-order hadronic and Outside of work, Francis had a passion electroweak contributions. These advances for flying gliders, was a keen skier and Francis Farley, who played a pivotal role innovation. Following a secondment to UK); and wrote his first bookElements of in the theoretical prediction in turn justified windsurfer, a regular swimmer, and liked in experiments to measure the anomalous Chalk River Laboratories in Ontario, Pulse Circuits. the next generation of experiment, to give large American cars. All of these befitted a magnetic moment of the muon, passed Canada, he resumed his formal education In 1957 Francis joined CERN, where he an even more stringent test of theory. The hardworking but somewhat playboy image, away on 16 July at his home in the south of with a PhD in 1950 from the University of started his long and remarkable journey muon storage rings also allowed tests of that years later formed much of the basis of France at the age of 97. Cambridge, before starting his academic on experiments to measure the anomalous relativistic time dilation, with the third his novel Catalysed Fusion. The son of a British Army engineering career at Auckland University in New magnetic moment of the muon (muon g-2). experiment achieving an accuracy of 0.1% Francis was a wonderful source of officer, Francis was born in India and Zealand. During his time at Auckland, This endeavour would span nearly five for a “muon clock” moving at a speed of new ideas and insights, with a prodigious 40 Years of educated in England. Before he could he studied cosmic rays; represented New decades and four major experiments, 0.9994c and the most accurate test of the output. He was always enthusiastic, and Products for Your Imagination complete his education, he transferred to Zealand at a United Nations conference three at CERN and one at Brookhaven “twin paradox”. he could be charming but forceful, and a military research and worked on radar, on atomic energy for peaceful purposes; National Laboratory (BNL) in the US. During the 1970s, when he was again stickler for precision. ® AMPTEK Inc. developing his knowledge of electronics measured neutron yields from plutonium The initial result from the first experiment based in the UK and Dean of The Royal He will be much missed. [email protected] and demonstrating his abilities in fission (whilst on secondment to Harwell, had an accuracy of just 2%, whereas Military College of Science, Francis also ● His friends and colleagues. www.amptek.com
40 41
CCOct18_Faces&Places_v3.indd 40 21/09/2018 13:48 CCOct18_Faces&Places_v3.indd 41 21/09/2018 13:49 CERNCOURIER www. V o l u m e 5 8 N u m b e r 8 O c t o b e r 2 0 1 8