Light-cone QCD plasma
نویسندگان
چکیده
منابع مشابه
Qcd on the Light Cone*
The quantization of gauge theory at fixed light-cone time T = t Z/C provides new perspectives for solving non-perturbative problems in quantum chromodynamits. The light-cone Fock state expansion provides both a precise definition of the relativistic wavefunctions of hadrons as bound-states of quarks and gluons and a general calculus for predicting QCD processes at the amplitude level. Applicati...
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In principle, quantum chromodynamics provides a fundamental description of hadronic and nuclear structure and dynamics in terms of their elementary quark and gluon degrees of freedom. In practice, the direct application of QCD to reactions involving the structure of hadrons is extremely complex because of the interplay of nonperturbative effects such as color confinement and multi-quark coheren...
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In this article, we take the point of view that the light scalar meson a0(980) is a conventional qq̄ state, and calculate the coupling constants ga0ηπ0 and ga0η′π0 with the light-cone QCD sum rules. The central value of the coupling constant ga0ηπ0 is consistent with the one extracted from the radiative decay φ(1020) → a0(980)γ → ηπ0γ. The central value and lower bound of the decay width Γa0→ηπ0...
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ژورنال
عنوان ژورنال: Physical Review D
سال: 2012
ISSN: 1550-7998,1550-2368
DOI: 10.1103/physrevd.86.034005