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CERN Courier–Digital Edition
CERNMarch/April 2021 cerncourier.com COURIERReporting on international high-energy physics WELCOME CERN Courier – digital edition Welcome to the digital edition of the March/April 2021 issue of CERN Courier. Hadron colliders have contributed to a golden era of discovery in high-energy physics, hosting experiments that have enabled physicists to unearth the cornerstones of the Standard Model. This success story began 50 years ago with CERN’s Intersecting Storage Rings (featured on the cover of this issue) and culminated in the Large Hadron Collider (p38) – which has spawned thousands of papers in its first 10 years of operations alone (p47). It also bodes well for a potential future circular collider at CERN operating at a centre-of-mass energy of at least 100 TeV, a feasibility study for which is now in full swing. Even hadron colliders have their limits, however. To explore possible new physics at the highest energy scales, physicists are mounting a series of experiments to search for very weakly interacting “slim” particles that arise from extensions in the Standard Model (p25). Also celebrating a golden anniversary this year is the Institute for Nuclear Research in Moscow (p33), while, elsewhere in this issue: quantum sensors HADRON COLLIDERS target gravitational waves (p10); X-rays go behind the scenes of supernova 50 years of discovery 1987A (p12); a high-performance computing collaboration forms to handle the big-physics data onslaught (p22); Steven Weinberg talks about his latest work (p51); and much more. To sign up to the new-issue alert, please visit: http://comms.iop.org/k/iop/cerncourier To subscribe to the magazine, please visit: https://cerncourier.com/p/about-cern-courier EDITOR: MATTHEW CHALMERS, CERN DIGITAL EDITION CREATED BY IOP PUBLISHING ATLAS spots rare Higgs decay Weinberg on effective field theory Hunting for WISPs CCMarApr21_Cover_v1.indd 1 12/02/2021 09:24 CERNCOURIER www. -
March 2014 Jordanhill School Journal
Jordanhill School Journal March 2014 Rector Contents One of the challenges for the Journal 3 Two Special Birthdays is to speak across the generations of Jordanhill pupils and parents. Like the 4 Youth Philanthropy Initiative school magazines of generations past 5 Charity Dinner the Journal captures some of our annual activities and news. Today much of our 6 Our Houses current affairs is broadcast through 8 JCS and Scouts other channels such as the regular 11 Reflections on Upenn newsletters, our electronic bulletins and on the web site. All of our readers like to read about and 14 Teacher Exchange Australia to see both those activities which are constant features of the Scotland school and the many new excitements and opportunities 16 Teacher Exchange Scotland to which come along. Australia 18 CERN At the same time, our older contributors provide thought- provoking articles which in turn continue to stimulate our 21 Wind Band wider readership to write in. Thank you to everyone who 22 Mike Russell has contributed to this edition. 23 Queens Baton Relay Some things like the four Houses have always been with 24 Commonwealth Games us have they not? Yet the extract from the 1939 magazine reminds us that at one time that too was a new feature 26 Berlin of the school. 28 Community Tea Party 29 Art Competition Winners We have now been advised that the David Stow building will finally close to all users this summer as the 32 Art University of Strathclyde moves to market the campus for Current and back copies of the Journal redevelopment. -
A Measurement of the CP-Conserving Component of the Decay 0 → + − 0 KS Π Π Π J.R
Physics Letters B 630 (2005) 31–39 www.elsevier.com/locate/physletb A measurement of the CP-conserving component of the decay 0 → + − 0 KS π π π J.R. Batley, C. Lazzeroni, D.J. Munday, M. Patel 1, M.W. Slater, S.A. Wotton Cavendish Laboratory, University of Cambridge, Cambridge CB3 0HE, UK 2 R. Arcidiacono, G. Bocquet, A. Ceccucci, D. Cundy 3, N. Doble, V. Falaleev, L. Gatignon, A. Gonidec, P. Grafström, W. Kubischta, F. Marchetto 4, I. Mikulec 5, A. Norton, B. Panzer-Steindel, P. Rubin 6,H.Wahl7 CERN, CH-1211 Genève 23, Switzerland E. Goudzovski, D. Gurev, P. Hristov 1, V. Kekelidze, L. Litov, D. Madigozhin, N. Molokanova, Yu. Potrebenikov, S. Stoynev, A. Zinchenko Joint Institute for Nuclear Research, Dubna, Russia E. Monnier 8, E. Swallow, R. Winston The Enrico Fermi Institute, The University of Chicago, Chicago, IL 60126, USA R. Sacco 9,A.Walker Department of Physics and Astronomy, University of Edinburgh JCMB King’s Buildings, Mayfield Road, Edinburgh EH9 3JZ, UK W. Baldini, P. Dalpiaz, P.L. Frabetti, A. Gianoli, M. Martini, F. Petrucci, M. Scarpa, M. Savrié Dipartimento di Fisica dell’Università e Sezione dell’INFN di Ferrara, I-44100 Ferrara, Italy A. Bizzeti 10, M. Calvetti, G. Collazuol 11, G. Graziani, E. Iacopini, M. Lenti, F. Martelli 12, G. Ruggiero 1, M. Veltri 12 Dipartimento di Fisica dell’Università e Sezione dell’INFN di Firenze, I-50125 Firenze, Italy 0370-2693 2005 Elsevier B.V. Open access under CC BY license. doi:10.1016/j.physletb.2005.09.077 32 J.R. -
Jan/Feb 2015
I NTERNATIONAL J OURNAL OF H IGH -E NERGY P HYSICS CERNCOURIER WELCOME V OLUME 5 5 N UMBER 1 J ANUARY /F EBRUARY 2 0 1 5 CERN Courier – digital edition Welcome to the digital edition of the January/February 2015 issue of CERN Courier. CMS and the The coming year at CERN will see the restart of the LHC for Run 2. As the meticulous preparations for running the machine at a new high energy near their end on all fronts, the LHC experiment collaborations continue LHC Run 1 legacy to glean as much new knowledge as possible from the Run 1 data. Other labs are also working towards a bright future, for example at TRIUMF in Canada, where a new flagship facility for research with rare isotopes is taking shape. To sign up to the new-issue alert, please visit: http://cerncourier.com/cws/sign-up. To subscribe to the magazine, the e-mail new-issue alert, please visit: http://cerncourier.com/cws/how-to-subscribe. TRIUMF TRIBUTE CERN & Canada’s new Emilio Picasso and research facility his enthusiasm SOCIETY EDITOR: CHRISTINE SUTTON, CERN for rare isotopes for physics The thinking behind DIGITAL EDITION CREATED BY JESSE KARJALAINEN/IOP PUBLISHING, UK p26 p19 a new foundation p50 CERNCOURIER www. V OLUME 5 5 N UMBER 1 J AARYN U /F EBRUARY 2 0 1 5 CERN Courier January/February 2015 Contents 4 COMPLETE SOLUTIONS Covering current developments in high-energy Which do you want to engage? physics and related fi elds worldwide CERN Courier is distributed to member-state governments, institutes and laboratories affi liated with CERN, and to their personnel. -
People and Things
People and things On people Among the awards distributed at the recent joint annual meeting of the American Physical Society and the American Association of Phy sics Teachers were the Dannie Heineman Prize for Mathematical Physics, to John C. Ward of Mac- quarie University, Australia, for his contributions to the development of particle gauge theories, and the Oersted Medal for physics teach ing, to 1.1. Rabi of Columbia Univer sity. LEP people Now that the LEP electron-positron collider project is under way at CERN, decisions have been taken on the management of the machine construction and on preparations for the experimental programme. At CERN itself, a LEP Manage ment Board has been set up to sending institution. We have advised One of the international discussion panels study and propose solutions to at the Pan American Symposium on High and encouraged the first user group Energy Physics and Technology, held at major problems of the construction from Mexico. We are seeking mod Cocoyoc, Mexico, in January. Left to right, programme and to share respon est Foundation and International R. Taylor from SLAC (representing Canada), sibility for major decisions concern Fermilab Director Leon Lederman Agency support in order to minimize (representing the US), J. Flores of Mexico, ing the project. The members of the problems of government involve M. Kreisler of the US, C Avilez of Mexico, the Board (appointed for two ment. Agreements between institu and Burt Richter also from SLAC, years) are E. Picasso (Chairman), representing the US. tions are simple to administer and G. Plass, H. Laporte. -
UNESCO Coupons
value of the self-diffusion coefficient of SI, needed to arrange the arriving atoms on proper lattice sites. Linear extrapolation of this border line to higher temperatures yields an intersection point with the LCVD curve at about 1520 K. This value Is In good agreement with the temperature limit we find for single-crystal growth of rods. The orientation of the rod axis was found to be close to either <100> or < 110> crystal lographic directions. Conclusion Laser Induced deposition from the gas phase allows single-step production of material patterns with lateral dimensions from 0.5 µm to several mm. Typical deposi tion rates in laser pyrolysis are 10 to 100 Underlining the international character of CERN, both organisational and physical, the µm/s compared to 10 to some 100 A/s In start of construction of LEP — the 130-130 GeV electron-positron storage rings — was laser photolysis. The scanning velocities formally inaugurated by the Presidents of both France and Switzerland on 13 September. possible in laser pyrolysis reach at least up In the photograph taken at the ground-breaking ceremony are to the left of Francois to about 500 µm/s for strongly adherent Mitterand of France, Emilio Picasso, Director of the LEP Project and to the right of Pierre films. Laser pyrolysis at visible wavelengths Aubert of Switzerland, Herwig Schopper, the Director-General of CERN. The 27 km combines high deposition rates and small circumference of LEP will lie 3/4 in France and 1/4 in Switzerland. lateral dimensions of deposits with stan dard laser techniques, simple optics and adjustment. -
Gustav Kramer Fest Ahmed Ali, DESY
Gustav Kramer Fest Ahmed Ali, DESY 1 Gustav Kramer Fest Heavy Quark Physics with Gustav Kramer From Quark Models to SCET 2 Gustav Kramer Fest First Meeting with Gustav Kramer ● I first met Gustav Kramer in May 1972 at the CERN School of Physics, held in Grado, Italy. 1972 CERN School of Physics, Grado, Italy, 15-31 May 1972 3 Gustav Kramer Fest First Meeting with Gustav Kramer ● This was the first time that I attended an International School on Particle Physics. Emilio Picasso was the Director of the CERN School. Among the theorists who lectured were Murray Gell-Mann, Kurt Gottfried, Michel Gourdin, Chan Hong-Mo, Gustav Kramer and Roger Phillip. Gustav Kramer Grado 4 Gustav Kramer Fest First Meeting with Gustav Kramer ● Gustav Kramer gave a lecture_ course on ªElectron-Positron Interactionsº; this was the time when e + e colliders started to make their mark on particle physics, with the A.C.O. in Orsay, VEPP II in Novosibirsk, ADONE in Frascati, SPEAR at SLAC, and the Bypass Ring at CEA, all operating, with DORIS at DESY under construction. ● In his Introduction, he stated: ªThis field of high energy physics has been very interesting in the past, we can expect further interesting results in the futureº. 5 Gustav Kramer Fest Page 1 of Gustav Kramer©s Grado Lecture 6 Gustav Kramer Fest Figure from Gustav Kramer©s Grado Lecture Pion form factor with ρ- ω mixing measured at Orsay 7 Gustav Kramer Fest First Meeting with Gustav Kramer ● As a fresh postdoc, looking for the next position, I thought that with the start of DORIS, DESY would be a great place to go and work. -
People and Things
People and things On people American Physical Society SSC management changes The January list of nominations to the SLAC Director Burton Richter has At the Superconducting Supercollider French Legion d'honneur included been elected Vice-President of the (SSC) Laboratory in Ellis County, distinguished CERN theorist Andre American Physical Society. The APS Texas, John Rees takes over as Martin, and, as a foreign member, custom is that next year Richter Project Manager from Paul Reardon. Emilio Picasso, former Leader of becomes President-elect, and in turn Rees came to SSC from the Stanford CERN's Experimental Physics President in 1994. This year's APS Linear Accelerator Center (SLAC), Division and Director of LEP project President is Ernest M. Henley of the where he was Associate Director. In throughout its construction phase. University of Washington. the late 1970s he was Director of the PEP storage ring project, and more David W.G.S. Leith is Associate recently in charge of construction of Director of SLAC's Research Divi UK Institute of Physics awards the Stanford Linear Collider. sion, taking over from Charles SSC Accelerator Design and Prescott. The UK Institute of Physics awards Operations Division (ADOD) Head for 1992 include several for achieve Don Edwards retired in December, Texas magnets ments in particle physics. and ADOD has now moved the Nicolas Ellis of Birmingham re Project Management Office under Peter Mclntyre of Texas A & M ceives the Charles Vernon Boys John Rees. becomes Director of the Texas Prize for his work in the UA1 proton- Accelerator Center (TAC) at the X Meanwhile the first industrially-built antiproton experiment at CERN, Houston Advanced Research Center SSC dipole has been successfully particularly for his study of heavy (HARC), succeeding Russ Huson. -
Llie SPS EXPERIMENTAL PROGRAM MARIA FIDECARO CERN
lliE SPS EXPERIMENTAL PROGRAM MARIA FIDECARO CERN, Geneva (Switzerland) Abs tract : The experimental program at the SPS is reviewed as it takes shape from the proposals put forward up to this Spring . Resume : Le programme d'experiences aupres du SPS est passe en revue , tel qu 'il se profile d'apres les propositions presentees jusqu'a maintenant . 191 1. INTRODUCTION The Super (and Subterranean) Proton Synchrotron (SPS) is expected to start operating in the middle of 1976 when protons will be extracted in the West Hall at 200 GeV. experimental progrannne to be carried out in the first year of oper ation is at present being set-up . Thorough discussions took place at the Tirrenia Meeting in September, 1972 and in January, 1973 P. Falk-Vairant presentedAn the final report of the Executive Corrnnittee of the ECFA . In April Letters of Intent were called in; some of which were later transformed into proposals by the Spring of 1974 . I will try to give an outline of this progrannne as seen by an inter ested layman i I apologize for the distorsions and the omissions . Working within some boundary conditions , the physicists wanted to make use of: a) The West Hall (Fig . 1 and Appendix) b) A large bubble chamber BEBC , 3 m long , 3.70 m diameter to be filled with hydrogen or deuterium in a 5 Tesla magnetic field. Possibly a second heavy liquid bubble chamber 4.8 m long , 1.9 m diameter (Gargamelle) in a 2 Tesla magnetic field could be used. 3 c) A large magnet (2 x 3 x 1.5 m ) 1.8 Tesla, filled with a flexible system of detectors (Omega) . -
Ricordo Di Emilio Picasso
Rendiconti Accademia Nazionale delle Scienze detta dei XL Memorie di Scienze Fisiche e Naturali 133° (2015), Vol. XXXIX, Parte II, Tomo I, pp. 21-33 UGO AMALDI* Ricordo di Emilio Picasso Emilio Picasso è nato a Genova il 9 luglio 1927. Il padre era contabile presso la Esso Standard e la madre, nata in una numerosissima famiglia del Sud, casalinga. Il periodo bellico fu tragico: un fratello maggiore morì in guerra e l’appartamento di Genova fu distrutto da uno spezzone incendiario. Al liceo era interessato a filosofia, matematica e fisica. Entrò all’Università di Genova nel 1950, a ventitré anni, e – dopo un’inziale propensione per la matema- tica – scelse fisica. Si laureò nel giugno del 1956, quattro mesi dopo Mariella Got- tardi, che aveva scelto matematica. Si sposarono un anno dopo e furono per tutti coloro che li conobbero l’esempio della coppia perfetta: fortemente unita ed aperta agli altri e ai loro problemi; magnifici genitori di tre figli maschi – Marco Stefano e Francesco – e nonni adorati dagli otto nipoti. Emilio – laureatosi con Giovanni Boato costruendo una sorgente di ioni – lavorò come assistente nel gruppo di ricercatori guidato da Alberto Gigli Berzolari, che sviluppava un nuovo tipo di rivelatore di particelle: le camere a bolle a gas, nelle quali in un liquido a temperatura ambiente era introdotto un gas supersaturo. Il gruppo costruì due camere a diffusione che raccolsero eventi prodotti da fotoni agli elettrosincrotroni di Frascati e di Torino. Emilio entrò poi nel gruppo di Giovannina Tommasini, studiando con le emulsioni nucleari le interazioni di mesoni e di protoni prodotti al protosincrotrone del CERN. -
I III! III! IIIIIIII/IHIII/IINIII/Iill!}/IIIIIIIIIIIIIIIII
CERN LIBRARIES, GENEVA cERN/ 1372 Original: English DENTI A IIIIIIIIIIIIUII RESTRIOTEO DISTRIBUTION ~ CII/I—P0OO81695 ORGANISATION EUROPEENNE POUR LA RECHERCHE NUCLEAIRE EUROPEAN ORGANIZATION FOR NUCLEAR RESEARCH SIXTY-SIXTH SESSION OF THE OOUNOIL Geneva — 26 and 27 June 1980 SENIOR STAFF APPOINTMENTS (By the Director—Genera1 designate) This ClOCI.1III€D.C COI`1C3.1f1S Cl'l€ pI'OpOS8].S of the Director—General designate for the appointment of two members of the Directorate within the framework of the new·Management structure for CERN for 1981 onwards which is described in document CERN/1371. These proposals were considered by the Scientific Policy Committee at its meeting held on 23 and 24 June 1980 and by the Committee of Council at its meeting held on 24 and 26 June 1980. 80/80/5/A OCR Output cERN/1372 SENIOR STAFF APPOINTMENTS This document contains the proposals of the Director-General designate for the appointment of two members of the Directorate within the framework of the new Management of CERN from 1981 onwards, which is described in document CERN/1371, and more specifically in paragraph 6. It is proposed to appoint Dr G. Brianti, at present Leader of the SPS Division, as Technical Director, for a period of three years as from 1 January 1981. Dr Brianti's curriculum vitae is attached as Annex I. It is further proposed to nominate Dr E. Picasso as the LEP Project Leader and as a member of the Directorate for a period of three years from the date of the approval of the LEP Project. Dr Picasso's curriculum vitae is attached as Annex II. -
EPAC, the Accelerator Conferences Series in Europe 1988-2008
EPAC, the Accelerator Conferences Series in Europe 1988-2008 • Caterina Biscari • ALBA-CELLS Caterina Biscari, ALBA-CELLS EPAC -Accelerator Conferences in Europe IPAC 15 1 The story starts in 1988 Caterina Biscari, ALBA-CELLS EPAC -Accelerator Conferences in Europe IPAC 15 2 1st EPAC in Roma, Italy 3 Giorgio Brianti was behind the creation of EPAC. CERN’s Technical Director at that time, as Günther Plass and Kurt Hübner wererespectively OC andSPC Chairs. Sergio Tazzari from INFN completed the chairmen trio. Main sponsors of EPAC’88: INFN, ENEA, CERN, DESY, SACLAY & GSI G. Brianti Decision to hold it biannualy, in alternation with PAC, and rotating around Europe Searching on Google Images ‘Kurt Hubner CERN’ G. Plass S. Tazzari K. Hubner Caterina Biscari, ALBA-CELLS EPAC -Accelerator Conferences in Europe IPAC 15 33 EPAC 88 Poster The Vatican Obelisk: the first monumental obelisk raised in the modern period, the only Rome that has not fallen since Roman times. Brought to Tavola XLII: L' Obelisco Piegato Mentre Calava. Rome by Caligula in 37 for the spina of the Vatican Circus . Moved by Pope Sixtus V in 1586 using a method developed by Domenico Fontana Caterina Biscari, ALBA-CELLS EPAC -Accelerator Conferences in Europe IPAC 15 4 Images from the conference venue Caterina Biscari, ALBA-CELLS EPAC -Accelerator Conferences in Europe IPAC 15 5 Images from the conference venue It was normal to see people smoking at the registration desk! Caterina Biscari, ALBA-CELLS EPAC -Accelerator Conferences in Europe IPAC 15 6 EPAC 88 – Too much success