PHYSICS OF THE PION LIQUID

被引：89

作者：

SHURYAK, EV

机构：

[1] Physics Department, Brookhaven National Laboratory, Upton

来源：

PHYSICAL REVIEW D | 1990年 / 42卷 / 05期

关键词：

D O I：

10.1103/PhysRevD.42.1764

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Excited hadronic matter in the temperature interval T=100-200 MeV is not an ideal pion gas, but rather a liquid, in which attractive interaction among particles plays an important role. The pion dispersion curve is in this case essentially modified by a kind of collective momentum-dependent potential, which becomes important as the "quasipion" comes to the boundary of the system. We show that these effects can provide an explanation for a number of recent experimental puzzles, in particular, for the observed copious production of soft pions and soft photons in high-energy hadronic reactions. © 1990 The American Physical Society.

引用

页码：1764 / 1776

页数：13

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