ELECTROMAGNETIC-INTERACTIONS AND CHIRALITY FLIP OF NEUTRINOS IN A THERMAL BACKGROUND

被引：13
|
作者：
ALTHERR, T [1 ]
KAINULAINEN, K [1 ]
机构：
[1] NORDITA, DK-2100 COPENHAGEN, DENMARK
来源：
PHYSICS LETTERS B | 1991年 / 262卷 / 01期
关键词：
D O I：
10.1016/0370-2693(91)90646-8
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We investigate the finite temperature and density effects on the electromagnetic properties of neutrinos. For a standard model neutrino we find a left-handed effective charge and a chirality flipping term associated with the longitudinal photon exchange. We find that in the supernova the chirality flipping rate is two orders of magnitude larger than the previous estimates using the vacuum magnetic moment.
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页码：79 / 82
页数：4
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