Low-momentum Pion Enhancement Induced by Chiral Symmetry Restoration

Details Low-momentum Pion Enhancement Induced by Chiral Symmetry Restoration Low-momentum Pion Enhancement Induced by Chiral Symmetry Restoration

2003-05-20

arxiv.org/abs/nucl-th/0305060v1

Int.J.Mod.Phys. A19 (2004) 341-346

Physics

Nuclear Physics

Nuclear Theory

3 pages, 2 figures

Scientific paper

10.1142/S0217751X04016490

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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