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Hadron Production in terms of Green's Functions in Non-Equilibrium\n Matter

2021/10/22 by Koshelkin, A. V., A. V. Koshelkin
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #High Energy Physics - Theory (hep-th) #High-Energy Particle Collisions Research #Nuclear Theory (nucl-th) #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #Statistical Mechanics and Entropy #Theoretical and Computational Physics

paper · pdf · doi:10.48550/arxiv.2110.13139

openalex publication_date 2021/10/22 · openalex created_date 2022/09/06 · openalex updated_date 2026/07/28

Abstract

Following the quark-hadron duality concept, we show that the number of\nhadrons generated in the deconfinement matter is entirely determined by the\nexact non-equilibrium Green's functions of partons in the medium and the vertex\nfunction governing the probability of the confinement-deconfinement phase\ntransition. In such an approach, compactifying the standard (3+1)\nchromodynamics into QCDxy + QCDzt, the rate of the hadrons produced in\nparticle collisions is derived in the explicit form provided that the\nhadronization is the first order phase transition. The pion production is found\nto be in good agreement to the experimental results on the pion yield in pp\ncollisions.\n

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