Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/James_Bjorken> ?p ?o }
- James_Bjorken abstract "James Daniel \"BJ\" Bjorken (born 1934) is an American theoretical physicist. He was a Putnam Fellow in 1954, received a BS in physics from MIT in 1956, and obtained his PhD from Stanford University in 1959. He was a visiting scholar at the Institute for Advanced Study in the fall of 1962. Bjorken is Emeritus Professor at the Stanford Linear Accelerator Center, and was a member of the Theory Department of the Fermi National Accelerator Laboratory (1979–1989). He was awarded the Dirac Medal of the ICTP in 2004; and, in 2015, the Wolf Prize in Physics and the EPS High energy and particle physics prize.(de:High Energy and Particle Physics Prize)Bjorken discovered in 1968 what is known as light-cone scaling, (or Bjorken scaling) a phenomenon in the deep inelastic scattering of light on strongly interacting particles, known as hadrons (such as protons and neutrons):Experimentally observed hadrons behave as collections of virtually independent point-like constituents, when probed at high energies. Properties of these hadrons scale, that is, they are determined not by the absolute energy of an experiment, but, instead, by dimensionless kinematic quantities, such as a scattering angle or the ratio of the energy to a momentum transfer. Because increasing energy implies potentially improved spatial resolution, scaling implies independence of the absolute resolution scale, and hence effectively point-like substructure.This observation was critical to the recognition of quarks as actual elementary particles (rather than just convenient theoretical constructs), and led to the theory of strong interactions known as quantum chromodynamics, where it was understood in terms of the asymptotic freedom property. In Bjorken's picture, the quarks become point-like, observable objects at very short distances (high energies), shorter than the size of the hadrons.Bjorken was also among the first to point out to the phenomena of jet quenching in heavy ion collisions in 1982.Richard Feynman subsequently reformulated this concept into the parton model, used to understand the quark composition of hadrons at high energies. The predictions of Bjorken scaling were confirmed in the early late 1960s electroproduction experiments at SLAC, in which quarks were seen for the first time. The general idea, with small logarithmic modifications, is explained in quantum chromodynamics by \"asymptotic freedom\".Bjorken co-authored, with Sidney Drell, a classic companion volume textbook on relativistic quantum mechanics and quantum fields.".
- James_Bjorken almaMater Massachusetts_Institute_of_Technology.
- James_Bjorken almaMater Stanford_University.
- James_Bjorken award Dannie_Heineman_Prize_for_Mathematical_Physics.
- James_Bjorken award Dirac_Prize.
- James_Bjorken award Ernest_Orlando_Lawrence_Award.
- James_Bjorken award European_Physical_Society.
- James_Bjorken award Pomeranchuk_Prize.
- James_Bjorken award William_Lowell_Putnam_Mathematical_Competition.
- James_Bjorken award Wolf_Prize_in_Physics.
- James_Bjorken birthDate "1934".
- James_Bjorken birthDate "1934-06-22".
- James_Bjorken birthPlace Chicago.
- James_Bjorken birthPlace United_States.
- James_Bjorken birthYear "1934".
- James_Bjorken doctoralStudent Davison_Soper.
- James_Bjorken field Theoretical_physics.
- James_Bjorken knownFor Charm_quark.
- James_Bjorken knownFor James_Bjorken.
- James_Bjorken thumbnail James_Bjorken.jpg?width=300.
- James_Bjorken wikiPageExternalLink hepp-prize-awards.php.
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- James_Bjorken wikiPageExternalLink Bjorken_scaling.
- James_Bjorken wikiPageExternalLink slac-pub-0338.pdf.
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- James_Bjorken wikiPageWikiLink Asymptotic_freedom.
- James_Bjorken wikiPageWikiLink Category:1934_births.
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- James_Bjorken wikiPageWikiLink Category:Living_people.
- James_Bjorken wikiPageWikiLink Category:Massachusetts_Institute_of_Technology_alumni.
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- James_Bjorken wikiPageWikiLink Category:Putnam_Fellows.
- James_Bjorken wikiPageWikiLink Category:Stanford_University_alumni.
- James_Bjorken wikiPageWikiLink Category:Theoretical_physicists.
- James_Bjorken wikiPageWikiLink Charm_quark.
- James_Bjorken wikiPageWikiLink Chicago.
- James_Bjorken wikiPageWikiLink Dannie_Heineman_Prize_for_Mathematical_Physics.
- James_Bjorken wikiPageWikiLink Davison_Soper.
- James_Bjorken wikiPageWikiLink Deep_inelastic_scattering.
- James_Bjorken wikiPageWikiLink Dirac_Prize.
- James_Bjorken wikiPageWikiLink Elementary_particle.
- James_Bjorken wikiPageWikiLink Ernest_Orlando_Lawrence_Award.
- James_Bjorken wikiPageWikiLink European_Physical_Society.
- James_Bjorken wikiPageWikiLink Fermilab.
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- James_Bjorken wikiPageWikiLink Institute_for_Advanced_Study.
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- James_Bjorken wikiPageWikiLink Neutron.
- James_Bjorken wikiPageWikiLink Parton_(particle_physics).
- James_Bjorken wikiPageWikiLink Physical_Review.
- James_Bjorken wikiPageWikiLink Pomeranchuk_Prize.
- James_Bjorken wikiPageWikiLink Proton.
- James_Bjorken wikiPageWikiLink Quantum_chromodynamics.
- James_Bjorken wikiPageWikiLink Quantum_field_theory.
- James_Bjorken wikiPageWikiLink Quark.
- James_Bjorken wikiPageWikiLink Relativistic_quantum_mechanics.
- James_Bjorken wikiPageWikiLink Richard_Feynman.
- James_Bjorken wikiPageWikiLink SLAC_National_Accelerator_Laboratory.
- James_Bjorken wikiPageWikiLink Sidney_Drell.
- James_Bjorken wikiPageWikiLink Stanford_University.
- James_Bjorken wikiPageWikiLink Strong_interaction.
- James_Bjorken wikiPageWikiLink Theoretical_physics.
- James_Bjorken wikiPageWikiLink United_States.
- James_Bjorken wikiPageWikiLink William_Lowell_Putnam_Mathematical_Competition.
- James_Bjorken wikiPageWikiLink Wolf_Prize_in_Physics.
- James_Bjorken wikiPageWikiLinkText "Bjorken".
- James_Bjorken wikiPageWikiLinkText "James Bjorken".
- James_Bjorken almaMater "MIT".
- James_Bjorken almaMater "Stanford University".
- James_Bjorken awards "E. O. Lawrence Award".
- James_Bjorken awards "European Physical Society High Energy and Particle Physics Prize".
- James_Bjorken awards "Heineman Prize".
- James_Bjorken awards "ICTP Dirac Medal".
- James_Bjorken awards "Pomeranchuk Prize".
- James_Bjorken awards "Putnam Fellow".
- James_Bjorken awards "Wolf Prize in Physics".
- James_Bjorken birthDate "1934-06-22".
- James_Bjorken birthPlace Chicago.
- James_Bjorken birthPlace United_States.
- James_Bjorken dateOfBirth "1934".
- James_Bjorken doctoralStudents Davison_Soper.
- James_Bjorken fields Theoretical_physics.
- James_Bjorken knownFor "Bjorken scaling, Co-predicting the charm quark".
- James_Bjorken name "Bjorken, James D.".
- James_Bjorken name "James Bjorken".
- James_Bjorken nationality "American".
- James_Bjorken placeOfBirth Chicago.
- James_Bjorken shortDescription "American physicist".
- James_Bjorken wikiPageUsesTemplate Template:Authority_control.
- James_Bjorken wikiPageUsesTemplate Template:Birth_date_and_age.