REMARKS ON THE PROCESS GAMMA-GAMMA-]NU(NU)OVER-BAR IN ASTROPHYSICS

被引：1
|
作者：
GREGORES, EM
MORI, F
NATALE, AA
NOVAES, SF
SPEHLER, D
机构：
[1] Instituto de Física Teórica, Universidade Estadual Paulista, CEP 01405-900 Sao Paulo
来源：
PHYSICAL REVIEW D | 1995年 / 51卷 / 08期
关键词：
D O I：
10.1103/PhysRevD.51.4587
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We discuss the astrophysical consequences of the process γγ→νν̄, when this reaction is mediated by either Majorons or composite neutral leptons, and present the constraints on their coupling coming from stellar energy loss arguments. We also discuss the effect of nuclear absorption when this reaction is mediated by pions, and show that no significant output of energy is provided in this case. Finally, we comment on the importance of these processes in cosmology. © 1995 The American Physical Society.
引用
收藏
页码：4587 / 4590
页数：4
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