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Entropy and equilibrium property of QCD-instanton induced final state in deep-inelastic scattering

Chinese Physics C 2008年第1期32卷 13-17页

作者：邓为炳陆丁张纪英许明梅 Boris Levchenko 刘连寿 Training Base for Research and Teaching in Fundamental Sciences(Physics)College of Physical Science and Technology Huazhong Normal University Institute of Particle Physics Huazhong Normal University Skobeltsyn Institute of Nuclear Physics Moscow State University 119992 MoscowRussia

The scaling and additivity properties of Rényi entropy in rapidity space of the instanton final state （IFS） and current jet identified by the r-sorting method from the QCDINS Monte Carlo event sample are studied. Asymptotic scaling of the Rényi entropy H2 is observed for the IFS while H2 for the current jet jtends to saturation with decreasing phase space scale. Furthermore, it is found that the additivity of H2 holds well for the IFS in narrow rapidity windows at different positions. These results indicate that the IFS produced in the instanton-induced process of deep inelastic scattering has reached local equilibrium.

关键词： instanton quark-gluon fusion deep-inelastic scattering entropy local equilibrium

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REVIEW OF PARTICLE PHYSICS Particle Data Group

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Chinese Physics C 2016年第10期40卷 1-28页

作者： C. Patrignani (Particle Data Group) Chinese Physics C 40 100001 (2016)

The Review summarizes much of particle physics and cosmology. Using data from previous editions, plus 3,062 new measurements from 721 papers, we list, evaluate, and average measured properties of gauge bosons and the recently discovered Higgs boson, leptons, quarks, mesons, and baryons. We summarize searches for hypothetical particles such as supersymmetric particles, heavy bosons, axions, dark photons, etc. All the particle properties and search limits are listed in Summary Tables. We also give numerous tables, figures, formulae, and reviews of topics such as Higgs Boson Physics, Supersymmetry, Grand Unified Theories, Neutrino Mixing, Dark Energy, Dark Matter, Cosmology, Particle Detectors, Colliders, Probability and Statistics. Among the 117 reviews are many that are new or heavily revised, including new reviews on Pentaquarks and Inflation. The complete Review is published online in a journal and on the website of the Particle Data Group （http：//pdg. lbl. gov）. The printed PDG Book contains the Summary Tables and all review articles but no longer includes the detailed tables from the Particle Listings. A Booklet with the Summary Tables and abbreviated versions of some of the review articles is also available.

关键词： PROTON-PROTON COLLISIONS deep-inelastic scattering HIGGS-BOSON PRODUCTION TO-LEADING-ORDER STRONG-COUPLING CONSTANT ANOMALOUS MAGNETIC-MOMENT PRODUCTION CROSS-SECTION GRAND UNIFIED THEORIES QUARK-PAIR PRODUCTION ELECTROWEAK SYMMETRY-BREAKING

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