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Brookhaven Lab Scientists Named Fellows
of the American Physical Society
UPTON, NY — Four scientists from the U.S. Department of Energy’s Brookhaven National Laboratory were elected as Fellows of the American Physical Society (APS). With over 40,000 members in 2002, APS promotes the advancement and diffusion of the knowledge of physics in the belief that an understanding of the nature of the physical universe will be of benefit to all humanity. The Society also publishes the world’s most prestigious and widely read physics research journals, such as Physical Review Letters.
The APS Fellowship Program recognizes members who may have made advances in knowledge through original research and publication or made significant and innovative contributions in the application of physics to science and technology. They may also have made significant contributions to the teaching of physics or service and participation in the activities of the society. Each year, no more than one-half of one percent of the then current membership of the society are recognized by their peers for election to the status of Fellow. In 2002, a total of 192 new Fellows were elected.
The Fellows from Brookhaven, their citations, and their background are listed below:
Gerry M. Bunce
“For work in spin physics, including the muon ‘g-2’ experiment, contributions and leadership in the Relativistic Heavy Ion Collider (RHIC) spin program and the discovery of lambda polarization in production at high energy.”
Spin is angular momentum, similar to the motion of a toy top, which is an inherent property of all observed elementary particles. In the ‘g-2’ experiment, Bunce and colleagues used a special storage ring at Brookhaven’s Alternating Gradient Synchrotron to measure the spin motion of particles called muons with an accuracy of seven parts in ten million. The g-2 team found that there may be a disagreement with theory as described in the Standard Model of particle physics, but more analyses of data must be done to determine the final results.
At Brookhaven’s newest accelerator, the Relativistic Heavy Ion Collider, Bunce probes the internal spin structure of the proton in detail. In 1976, at Fermi National Accelerator Laboratory, Bunce and his colleagues discovered that an elementary particle called a lambda is produced with one spin orientation at high energy— a surprising and still unexplained result.
Bunce earned a B.S. from the Massachusetts Institute of Technology, in 1967, and a Ph.D. from the University of Michigan, Ann Arbor, in 1971. After serving two years as a visiting physicist at the French national laboratory in Saclay, Bunce became a research associate in physics at the University of Wisconsin, Madison, and, in 1979, be joined Brookhaven National Laboratory as an associate physicist. Currently, he is a senior physicist at Brookhaven and a member of the muon g-2 experiment team. He is also co-spokesperson for the Relativistic Heavy Ion Collider Spin Collaboration and a member of the PHENIX Spin Task Force.
“For novel x-ray scattering studies of cuprate, manganite and other correlated electronic systems.”
Hill uses x-rays as a probe at the National Synchrotron Light Source (NSLS) at Brookhaven to study the electrons in materials that are neither good conductors nor good insulators but have electronic properties somewhere in between. These materials have unusual properties, such as high-temperature superconductivity or large changes in electrical resistance when a magnetic field is applied to them. Hill is using x-ray scattering techniques developed at the NSLS to help understand the behavior of these materials.
Hill earned a B.Sc. in physics from Imperial College of Science and Technology in England, in 1986, and a Ph.D. in physics from the Massachusetts Institute of Technology, in 1992. He joined Brookhaven as a postdoctoral researcher in 1992. He is currently a physicist and group leader of Brookhaven's x-ray scattering group and executive director of the inelastic x-ray scattering collaborative access team at the Advanced Photon Source, Argonne National Laboratory. In 1996, Hill received the U.S. Department of Energy's Young Independent Scientist Award and Presidential Early Career Award.
“For seminal contributions to quantum magnetism and for the exact solutions of important integrable models.”
Tsvelik has studied mathematically the influence of small magnetic impurities on electric and magnetic properties of such metals as copper and aluminum. He has found analytic solutions to complicated theoretical models, which describe properties of these materials and explain profound changes in their electric and magnetic properties caused by impurities.
After earning an undergraduate degree, in 1977, from from the Moscow Physical-Technical Institute, and Ph.D. from Kurchatov Institute for Atomic Energy in 1980, Tsvelik became a staff member of the Institute for High Pressure Physics, Moscow, from 1980 to 1982. He then moved on to the Landau Institute for Theoretical Physics in Moscow, where he worked until 1989. Also, from 1992 to 2001, he was a lecturer and then professor at the University of Oxford, England. He joined Brookhaven as a senior physicist in 2001. He is also an adjunct professor of physics at Stony Brook University.
Craig L. Woody
“For his world-recognized expertise in the performance and characterization of scintillating crystals, notably in the effects of radiation damage.”
Many detectors at particle accelerators use inorganic scintillating crystals to convert high energy photons into ultraviolet or visible light. Woody studies how these crystals work and how radiation affects the performance of the crystals in these detectors. He worked on radiation damage studies for many crystals that have been used at a number of high energy accelerators, including those for the Compact Muon Solenoid detector now under construction at the CERN Large Hadron Collider. The work that Woody and his collaborators has done over many years has helped provide crystals that can now survive these very high radiation environments.
After earning a B.A., M.A., and Ph.D. in physics at Johns
Hopkins University, in 1973, 1974, and 1978, respectively, Woody
started his career as a postdoctoral research associate at the
Stanford Linear Accelerator Center in 1978. A year later, he
joined Brookhaven Lab as an assistant physicist. He is currently
a senior physicist and co-Group leader of the PHENIX Group
working at Brookhaven's
Relativistic Heavy Ion Collider.