IN-MEDIUM η→ 3π DECAY WIDTH AND CHIRAL RESTORATION IN NUCLEAR MEDIUM

被引：0
|
作者：
Sakai, Shuntaro [1 ,2 ]
Kunihiro, Teiji [1 ]
机构：
[1] Kyoto Univ, Dept Phys, Sakyo Ku, Kitashirakwa Oiwakecho, Kyoto 6068502, Japan
[2] Osaka Univ, RCNP, Osaka 5670047, Japan
来源：
INTERNATIONAL MEETING: EXCITED QCD, 2016 | 2016年 / 9卷 / 03期
关键词：
ELECTROMAGNETIC CORRECTIONS; CURRENT-ALGEBRA; MODEL; ETA; PHENOMENOLOGY; SYMMETRY;
D O I：
10.5506/APhysPolBSupp.9.369
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We investigate the effect of nuclear medium on eta -> 3 pi decay using linear sigma model with a particular attention to the role of the sigma meson. We find that the decay width is enhanced in the nuclear medium in association with the softening of the sigma meson. The in-medium eta -> 3 pi decay width can be a possible probe for the chiral restoration in the nuclear medium.
引用
收藏
页码：369 / 375
页数：7
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