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SLAC and Jefferson Lab See Changing Faces FACES AND PLACES U S L A B N E W S SLAC and Jefferson Lab see changing faces Movers and shakers (from left to right): Jonathan Dorfan, Christoph Leemann, Andrew Hutton and Elke-Caroline Aschenauer. Jonathan Dorfan, who has been director of various leadership positions, after coming led. Ultimately Hutton went on to pursue SLAC for nearly eight years, has announced to the laboratory from the Lawrence his interest at CERN at the Large Electron– that he will step down in the autumn. Berkeley Laboratory in 1985, attracted Positron collider, at the SLAC Linear Collider Dorfan has overseen the laboratory since by the opportunity to build a new facility and at the PEP‑II B‑factory, before arriving September 1999. Prior to that, he served as and a new organization on a green site. He at Jefferson Lab in 1993 to lead the SLAC associate director and as director of was instrumental in the design, technology commissioning of CEBAF. the B‑Factory Project from 1994 to 1999. choice, and construction of the Continuous Jefferson Lab has in the meantime He will continue to be involved at SLAC and, Electron Beam Accelerator Facility (CEBAF). welcomed a new face with the appointment once a new director is named, will assist in Also at Jefferson Lab Andrew Hutton, the of Elke‑Caroline Aschenauer as the 12 GeV the transition to the new leadership. Dorfan’s long‑time deputy associate director of the Upgrade Hall D Leader in December. She achievements during his directorship include Accelerator Division has stepped into the is also a member of the 12 GeV Upgrade creating the Kavli Institute for Particle role of associate director. He takes over project team. Aschenauer was previously at Astrophysics and Cosmology at SLAC and from Swapan Chattopadhyay who served the Max Planck Institute for Nuclear Physics securing the world’s first X‑ray free‑electron in that position from 2001, before joining in Heidelberg, Germany, and since August laser, the Linac Coherent Light Source, which the UK’s Cockcroft Institute as its inaugural 2003 she has served as the spokesperson is under construction (p9). director in March. Hutton’s interest in for the HERMES collaboration (CERN Courier At the Thomas Jefferson National accelerators dates back to growing up in April 2006 p26). For HERMES she monitored Accelerator Facility, Christoph Leemann has England, when Hal Gray, after whom the day‑to‑day data taking and supervised announced that he will be stepping down unit of absorbed radiation dose is named, an analysis of hadron multiplicities in as director after six‑and‑a‑half years at the allowed him to go after school to work on a semi‑inclusive DIS using the RICH to tune helm of the research facility. Leemann has small research electron linear accelerator fragmentation parameters in the HERMES served Jefferson Lab for almost 22 years in at the cancer‑research institute that Gray Monte Carlo. P U BLICATION S He will head the APS editorial office located Sprouse takes over at Physical Review in eastern Long Island, near Brookhaven National Laboratory. With a staff of 150, The American Physical Society (APS) has superconducting linac and has been director the office annually receives and processes appointed Gene D Sprouse, professor of of the Nuclear Structure Laboratory since peer reviews for nearly 30 000 physics physics at Stony Brook University, as its new 1996. The position of editor‑in‑chief is one of manuscripts, two thirds of which originate editor‑in‑chief. Sprouse will succeed Martin three co‑equal operating officers of the APS, outside the US. The office also manages an Blume, who has held the position for 10 years. and includes primary responsibility for the electronic archive of the 400 000 Physical Sprouse helped to build the Stony Brook Physical Review series of physics journals. Review articles published since 1893. CERN Courier May 20 07 37 CCMayFaces37-42.indd 37 17/4/07 11:02:01 FACES AND PLACES AW A RDS Franklin Institute rewards Totsuka and McDonald The Franklin Institute in Philadelphia Ontario, is director of the Sudbury Neutrino Yoji Totsuka (left) and Arthur McDonald. has awarded its 2007 Benjamin Franklin Observatory (SNO) Institute, while Totsuka, Medal in Physics to Yoji Totsuka and Arthur from the University of Tokyo, is former oscillations. More recently SNO found McDonald for discovering that the three director of the Kamioka Observatory, home evidence for oscillation in solar neutrinos, known types of neutrino change into one to the Super-Kamiokande neutrino detector. resolving the long-standing solar-neutrino another when travelling over long distances, The Kamiokande collaboration first problem (see p26). The Franklin Institute and that neutrinos have mass. The institute’s reported the detection of a deficit in the also recognized solar-neutrino physics in awards date back to 1824, when the number of atmospheric muon neutrinos 2003, with the award of the Franklin Medal institute was founded to train artisans in 1988. A decade later the Super- in Physics to John Bahcall, Raymond Davis and mechanics in the fundamentals of Kamiokande collaboration announced and Masatoshi Koshiba (CERN Courier July/ science. McDonald, from Queen’s University, the discovery of atmospheric neutrino August 2003 p34). HESS collaboration wins Descartes Prize NIM rewards two young scientists at Vienna conference Two young researchers shared the NIMA Young Scientists’ Award at the 11th Vienna Conference on Instrumentation held in February. The award, for scientists under 35 who have contributed a paper or poster at the conference, is sponsored by Nuclear Instruments and Methods in Physics Research, Section A. This year the International Advisory Committee selected Representatives of HESS at the Descartes Prize ceremony, together with Annette Xavier Llopart from CERN and Nahee Park Schavan (left), the German research minister, Janez Potoc˘nik (third from right), the from Ewha Womans University in Seoul. Commissioner for Science and Research of EU, and Claudie Haigneré (second from right), Llopart, who works on the Medipix project at chair of the Grand Jury of the Descartes Prizes. (Courtesy European Community.) CERN, won the award “for the development of pixel readout chips for a wide range of The High Energy Stereoscopic System (HESS) high-energy gamma rays. Since starting instrumentation applications”; Park received collaboration has received the prestigious EU operation in 2002, results from HESS have her award “for substantial contributions Descartes Prize for Research at a ceremony provided a number of breakthroughs, such to the CREAM balloon experiment and in Brussels on 7 March. Launched in 2000, as the first resolved image of a supernova outstanding presentation of her work”. the prize rewards teams of scientists for shock wave acting as a cosmic particle outstanding scientific or technological results accelerator, the detailed study of high-energy achieved through transnational research in radiation from the centre of our galaxy, and any field of science. the discovery of a stellar black hole – a The HESS collaboration involves about “microquasar” – generating gamma rays. 100 scientists from Armenia, the Czech HESS shares the prize with two other Republic, France, Germany, Ireland, Namibia, projects: Hydrosol, which has developed a Poland, South Africa and the UK. It operates way to produce hydrogen from water-splitting an array of four big Cherenkov telescopes using solar energy, and APOPTOSIS, which in Namibia, which are the most sensitive has made great strides in the understanding Nahee Park (left) and Xavier Llopart (right) telescopes in the world for studying very of apoptosis (programmed cell death). receive their awards at the conference. 38 CERN Courier May 20 07 CCMayFaces37-42.indd 38 17/4/07 10:59:50 FACES AND PLACES Royal Irish Academy A NNIVERSARY makes Weinberg an Zatsepin celebrates 90 years honorary member George Zatsepin, pioneer of cosmic-ray physics and neutrino astrophysics, celebrates his 90th birthday on 28 May. He is probably best known for the Greisen–Zatsepin–Kuzmin effect, published in the 1970s, which is the subject of many experimental and theoretical studies throughout the world. In the early 1950s, in work on the nuclear nature of extensive air showers, Zatsepin created the equations for particle propagation through the atmosphere. His “next-generation George Zatsepin, who turns 90 in May. principle” assumes that the characteristics of secondary particles produced in nucleon–air scintillator detector in Artyomovsk, and the nucleus interactions depend only on the Italian–Russian Liquid Scintillator Detector Steven Weinberg, who receives honorary portion of energy taken away by a secondary under Mont Blanc. He remains a head of the membership of the Royal Irish Academy. particle – an effect found later in experiments Large-Volume Detector experiment in the on accelerators and named “scaling”. Gran Sasso National Laboratory. The Royal Irish Academy has made Steven Many experiments have realized Zatsepin’s Zatsepin has long held the cosmic-ray chair Weinberg, Nobel laureate and professor at ideas in neutrino physics and astrophysics. of the physics department of Moscow State the physics and astronomy departments of He is a leader of the Russian–American University, where he helped to create the the University of Texas, Austin, an honorary gallium germanium experiment, SAGE, emulsion detector group and the international member. The academy was founded in which has studied the solar neutrino Pamir Collaboration. As head of the neutrino 1785, and continues to serve as the national flux for 15 years at the Baksan Neutrino physics and neutrino astrophysics department academy of arts and sciences for Northern Observatory. He was the first to suggest of the Institute for Nuclear Research of the Ireland and the Republic of Ireland. Weinberg measuring the neutrino flux from collapsing Russian Academy of Sciences he created an joins just 14 scholars at American universities stars and was a leading figure in the important school of physicists working on who are honorary members of this academy.
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