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|Born||13 November 1954|
|Awards||Sakurai Prize (2012)|
|Fields|| Particle physics |
|Thesis||Phenomenological Studies On Jet Fragmentation (1982)|
Torbjörn Sjöstrand (born 13 November 1954) is a Swedish theoretical physicist and a professor at Lund University in Sweden, where he also got his PhD in 1982. He is one of the main authors of PYTHIA, a program for generation of high-energy physics events. In 2012, he was awarded the Sakurai Prize by the American Physical Society.
Lund University is a public university, often ranking among the world's top 100 universities. The university, located in the city of Lund in the province of Scania, Sweden, arguably traces its roots back to 1425, when a Franciscan studium generale was founded in Lund next to the Lund Cathedral. After Sweden won Scania from Denmark in the 1658 Treaty of Roskilde, the university was founded in 1666 on the location of the old studium generale next to Lund Cathedral.
Sweden, formally the Kingdom of Sweden, is a Scandinavian Nordic country in Northern Europe. It borders Norway to the west and north and Finland to the east, and is connected to Denmark in the southwest by a bridge-tunnel across the Öresund, a strait at the Swedish-Danish border. At 450,295 square kilometres (173,860 sq mi), Sweden is the largest country in Northern Europe, the third-largest country in the European Union and the fifth largest country in Europe by area. Sweden has a total population of 10.2 million of which 2.4 million has a foreign background. It has a low population density of 22 inhabitants per square kilometre (57/sq mi). The highest concentration is in the southern half of the country.
PYTHIA is a computer simulation program for particle collisions at very high energies in particle accelerators.
In 2012, he was awarded the J. J. Sakurai Prize for Theoretical Particle Physics by the American Physical Society. The citation reads:
The J. J. Sakurai Prize for Theoretical Particle Physics, is presented by the American Physical Society at its annual "April Meeting", and honors outstanding achievement in particle physics theory. The prize, considered one of the most prestigious in physics, consists of a monetary award, a certificate citing the contributions recognized by the award, and a travel allowance for the recipient to attend the presentation. The award is endowed by the family and friends of particle physicist J. J. Sakurai. The prize has been awarded annually since 1985.
The American Physical Society (APS) is the world's second largest organization of physicists. The Society publishes more than a dozen scientific journals, including the prestigious Physical Review and Physical Review Letters, and organizes more than twenty science meetings each year. APS is a member society of the American Institute of Physics.
For key ideas leading to the detailed confirmation of the Standard Model of particle physics, enabling high energy experiments to extract precise information about Quantum Chromodynamics, electroweak interactions and possible new physics.
David Jonathan Gross is an American theoretical physicist and string theorist. Along with Frank Wilczek and David Politzer, he was awarded the 2004 Nobel Prize in Physics for their discovery of asymptotic freedom. David Gross is the Chancellor’s Chair Professor of Theoretical Physics at the Kavli Institute for Theoretical Physics of the University of California, Santa Barbara, and was formerly the KITP director and holder of their Frederick W. Gluck Chair in Theoretical Physics. He is also a faculty member in the UC Santa Barbara Physics Department and is currently affiliated with the Institute for Quantum Studies at Chapman University in California. He is a foreign member of the Chinese Academy of Sciences.
Sir Thomas Walter Bannerman Kibble,, was a British theoretical physicist, senior research investigator at the Blackett Laboratory and Emeritus Professor of Theoretical Physics at Imperial College London. His research interests were in quantum field theory, especially the interface between high-energy particle physics and cosmology. He is best known as one of the first to describe the Higgs mechanism, and for his research on topological defects. From the 1950s he was concerned about the nuclear arms race and from 1970 took leading roles in promoting the social responsibility of the scientist.
Lincoln Wolfenstein was an American particle physicist who studied the weak interaction. Wolfenstein was born in 1923 and obtained his PhD in 1949 from the University of Chicago. He retired from Carnegie Mellon University in 2000 after being a faculty member for 52 years. Despite being retired, he continued to come into work nearly every day.
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Carl Richard Hagen is a professor of particle physics at the University of Rochester. He is most noted for his contributions to the Standard Model and Symmetry breaking as well as the 1964 co-discovery of the Higgs mechanism and Higgs boson with Gerald Guralnik and Tom Kibble (GHK). As part of Physical Review Letters 50th anniversary celebration, the journal recognized this discovery as one of the milestone papers in PRL history. While widely considered to have authored the most complete of the early papers on the Higgs theory, GHK were controversially not included in the 2013 Nobel Prize in Physics.
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John Iliopoulos is a Greek physicist and the first person to present the Standard Model of particle physics in a single report. He is best known for his prediction of the charm quark with Sheldon Lee Glashow and Luciano Maiani. Iliopoulos is also known for demonstrating the cancelation of anomalies in the Standard model. He is further known for the Fayet-Iliopoulos D-term formula, which was introduced in 1974. He is currently an honorary member of Laboratory of theoretical physics of École Normale Supérieure, Paris.
Robert Brout was a Belgian theoretical physicist who made significant contributions in elementary particle physics. He was a Professor of Physics at Université Libre de Bruxelles where he had created, together with François Englert, the Service de Physique Théorique.
Chris Quigg is an American theoretical physicist at the Fermi National Accelerator Laboratory (Fermilab). He graduated from Yale University in 1966 and received his Ph.D. in 1970 under the tutelage of J. D. Jackson at the University of California, Berkeley. He has been an associate professor at the Institute for Theoretical Physics, State University of New York, Stony Brook, and was head of the Theoretical Physics Department at Fermilab from 1977 to 1987.
Richard Keith Ellis is a British theoretical physicist, at the University of Durham and a leading authority on perturbative quantum chromodynamics and collider phenomenology.
Mary Katharine Gaillard is an American theoretical physicist with a focus on particle physics. She is a professor of the Graduate School at the University of California, Berkeley and Visiting Scientist at the Lawrence Berkeley National Laboratory. She was Berkeley's first tenured female physicist.
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Thomas Appelquist is a theoretical particle physicist who is the Eugene Higgins Professor of Physics at Yale University.
Mikhail "Misha" Voloshin is a Russian and American theoretical physicist. Voloshin graduated from physics class of Moscow School 57 in 1970. Voloshin started working at ITEP in 1976 and accordingly earned his Ph.D. in 1977. In 1983 he received a Soviet medal and an award in physics. Since 1990 he started at the William I Fine Theoretical Physics Institute, University of Minnesota, a division of the University of Minnesota College of Science and Engineering where he teaches quantum physics. In 1997 elected a fellow of the American Physical Society. In 2001 he was awarded J.J. Sakurai Prize for Theoretical Particle Physics and in 2004 he was awarded the Alexander-von-Humboldt Award.
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Bryan Ronald Webber, FRS, FInstP is a British physicist and academic. He was a Fellow of Emmanuel College, Cambridge from 1973 to 2010, and Professor of Theoretical Physics at the University of Cambridge from 1999 to 2010. He has been awarded the Dirac Medal by the Institute of Physics and the Sakurai Prize by the American Physical Society.
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