Low-momentum Pion Enhancement Induced by Chiral Symmetry Restoration release_iq24so3ezzesvo7s6j2iu2prea

by Pengfei Zhuang

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2003  

Abstract

The thermal and nonthermal pion production by sigma decay and its relation with chiral symmetry restoration in a hot and dense matter are investigated. The nonthermal decay into pions of sigma mesons which are popularly produced in chiral symmetric phase leads to a low-momentum pion enhancement as a possible signature of chiral phase transition at finite temperature and density.
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Date   2003-05-20
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