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

页码：119 / 124

页数：6

共 32 条

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