PHI-MESON PRODUCTION IN HADRONIC MATTER

被引:27
作者
KO, CM
SA, BH
机构
[1] TEXAS A&M UNIV SYST,DEPT PHYS,COLLEGE STN,TX 77843
[2] INST ATOM ENERGY,BEIJING 102413,PEOPLES R CHINA
基金
美国国家科学基金会;
关键词
D O I
10.1016/0370-2693(91)91199-6
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The decrease of hadron masses in hot and dense hadronic matter as a result of the restoration of chiral symmetry increases substantially the phi meson production cross section from the reactions KKBAR --> phi-rho and K-LAMBDA --> phi-N. In the hydrochemical model, we show that this leads to an enhanced production of phi mesons in ultrarelativistic heavy-ion collisions and may be responsible for the large omicron/omega ratio that has been recently observed in CERN experiments.
引用
收藏
页码:6 / 10
页数:5
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