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Burton Richter was an American physicist. He led the Stanford Linear Accelerator Center (SLAC) team which co-discovered the J/ψ meson in 1974, alongside the Brookhaven National Laboratory (BNL) team led by Samuel Ting for which they won Nobel Prize for Physics in 1976. This discovery was part of the November Revolution of particle physics. He was the SLAC director from 1984 to 1999.
The BaBar experiment, or simply BaBar, is an international collaboration of more than 500 physicists and engineers studying the subatomic world at energies of approximately ten times the rest mass of a proton (~10 GeV). Its design was motivated by the investigation of charge-parity violation. BaBar is located at the SLAC National Accelerator Laboratory, which is operated by Stanford University for the Department of Energy in California.
In particle physics, a tetraquark is an exotic meson composed of four valence quarks. A tetraquark state has long been suspected to be allowed by quantum chromodynamics, the modern theory of strong interactions. A tetraquark state is an example of an exotic hadron which lies outside the conventional quark model classification. A number of different types of tetraquark have been observed.
Nima Arkani-Hamed is an American-Canadian theoretical physicist of Iranian descent, with interests in high-energy physics, quantum field theory, string theory, cosmology and collider physics. Arkani-Hamed is a member of the permanent faculty at the Institute for Advanced Study in Princeton, New Jersey. He is also director of the Carl P. Feinberg Cross-Disciplinary Program in Innovation at the Institute and director of The Center for Future High Energy Physics (CFHEP) in Beijing, China.
In particle physics, quarkonium is a flavorless meson whose constituents are a heavy quark and its own antiquark, making it both a neutral particle and its own antiparticle. The name "quarkonium" is analogous to positronium, the bound state of electron and anti-electron. The particles are short-lived due to matter-antimatter annihilation.
Persis S. Drell is the Provost Emerita and the James and Anna Marie Spilker Professor in the Stanford University School of Engineering, a professor of materials science and engineering, and a professor of physics. Prior to her appointment as provost, she was dean of the Stanford School of Engineering from 2014 to 2017 and director of the US Department of Energy’s SLAC National Acceleratory Laboratory from 2007 to 2012.
Gerald Gabrielse is an American physicist. He is the Board of Trustees Professor of Physics and director of the Center for Fundamental Physics at Northwestern University, and Emeritus George Vasmer Leverett Professor of Physics at Harvard University. He is primarily known for his experiments trapping and investigating antimatter, measuring the electron g-factor, and measuring the electron electric dipole moment. He has been described as "a leader in super-precise measurements of fundamental particles and the study of anti-matter."
Arthur Bruce McDonald, P.Eng is a Canadian astrophysicist. McDonald is the director of the Sudbury Neutrino Observatory Collaboration and held the Gordon and Patricia Gray Chair in Particle Astrophysics at Queen's University in Kingston, Ontario from 2006 to 2013. He was awarded the 2015 Nobel Prize in Physics jointly with Japanese physicist Takaaki Kajita.
The bottom eta meson or eta-b meson is a flavourless meson formed from a bottom quark and its antiparticle. It was first observed by the BaBar experiment at SLAC in 2008, and is the lightest particle containing a bottom and anti-bottom quark.
Hugh David Politzer is an American theoretical physicist and the Richard Chace Tolman Professor of Theoretical Physics at the California Institute of Technology. He shared the 2004 Nobel Prize in Physics with David Gross and Frank Wilczek for their discovery of asymptotic freedom in quantum chromodynamics.
Carl William Akerlof is an American particle physicist and astrophysicist. A professor of physics at the University of Michigan, Akerlof initiated and led the Robotic Optical Transient Search Experiment (ROTSE), a ground-breaking effort to find fast astrophysical optical transients, particularly gamma-ray bursts. Akerlof has co-authored over 400 papers with 1500 collaborators, which have been cited over 6000 times. He was elected in 1993 a fellow of the American Physical Society (APS).
Timothy Maurice Paul Tait is a Canadian-American particle physicist known for his contributions to the theoretical physics and particle physics, particularly in the field of dark matter. He is currently a professor in the Department of Physics and Astronomy at the University of California, Irvine.
Mohammad Sajjad "Saj" Alam was a Bengali Pakistani and a naturalized American particle physicist. His work focused on particle physics and computational physics. He played a significant role in several major particle physics experiments that led to new discoveries in the area of high-energy particle physics.
Physics outreach encompasses facets of science outreach and physics education, and a variety of activities by schools, research institutes, universities, clubs and institutions such as science museums aimed at broadening the audience for and awareness and understanding of physics. While the general public may sometimes be the focus of such activities, physics outreach often centers on developing and providing resources and making presentations to students, educators in other disciplines, and in some cases researchers within different areas of physics.
James E. Brau is an American physicist at the University of Oregon (UO) who conducts research on elementary particles and fields. He founded the Oregon experimental high energy physics group in 1988 and served as director of the UO Center for High Energy Physics from 1997 to 2016. Prior to joining the Oregon faculty, he served in the Air Force and held positions at the Stanford Linear Accelerator Center and the University of Tennessee. He is a fellow of both the American Physical Society and also the American Association for the Advancement of Science. In 2006 he was appointed the Philip H. Knight Professor of Natural Science, an endowed professorship.
Pierre Vsevolod Sokolsky is an American physicist, currently a Distinguished Professor of Physics and Astronomy and Dean Emeritus of the University of Utah College of Science and also a Fellow of the American Physical Society.
In particle physics, XYZ particles are recently-discovered heavy mesons whose properties do not appear to fit the standard picture of charmonium and bottomonium states. They are therefore types of exotic mesons. The term arises from the names given to some of the first such particles discovered: X(3872), Y(4260) and Zc(3900), although the symbols X and Y have since been deprecated by the Particle Data Group.
Yaşar Önel is a Turkish-born physicist who holds Swiss and American citizenship. He received his Ph.D. in Physics from London University in 1975. He worked at the Queen Mary University of London in the United Kingdom, and Neuchatel and Geneva Universities in Switzerland before joining the University of Texas at Austin in 1986. Then, he moved to the University of Iowa in 1988. He is a tenured faculty professor. of Physics at the University of Iowa in Iowa City, IA, USA.
Kevin T. Pitts is an American high energy particle physicist. In addition to his faculty appointment at the University of Illinois at Urbana–Champaign, in 2021 he was appointed chief research officer at Fermilab National Accelerator Laboratory. His research interests have included the CDF experiment and the Muon g-2 experiment at Fermilab.
Scott Dodelson is an American physicist. He is a professor of physics at Carnegie Mellon University and chair of its physics department.
