CONSTRAINTS ON DIRAC NEUTRINOS FROM SN-1987A

被引：18
作者：
MAYLE, R
SCHRAMM, DN
TURNER, MS
WILSON, JR
机构：
[1] UNIV CHICAGO,ENRICO FERMI INST,DEPT PHYS,CHICAGO,IL 60637
[2] UNIV CHICAGO,ENRICO FERMI INST,DEPT ASTRON & ASTROPHYS,CHICAGO,IL 60637
[3] NASA,FERMILAB ASTROPHYS CTR,FERMI NATL ACCELERATOR LAB,BATAVIA,IL 60510
来源：
PHYSICS LETTERS B | 1993年 / 317卷 / 1-2期
基金：
美国国家科学基金会; 美国国家航空航天局;
关键词：
D O I：
10.1016/0370-2693(93)91580-G
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The Livermore Supernova Explosion Code was used to calculate the effect of a massive Dirac neutrino on neutrino emission from SN 1987A in a self-consistent manner. Spin-flip interactions involving neutrino-nucleon, nucleon-nucleon and pion-nucleon collisions lead to the copious emission of sterile, right-handed neutrinos and cool the core faster than the observed neutrino emission time for Dirac masses exceeding about 3 keV. These limits are compared with the previous limits of Burrows et al.
引用
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页码：119 / 124
页数：6
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