Supernova bounds on neutrino radiative decays

被引：58

作者：

Oberauer, Lothar ^{[1
]}

Hagner, Caren ^{[1
]}

Raffelt, Georg ^{[2
]}

Rieger, Erich ^{[3
]}

机构：

[1] Tech Univ Munchen, Phys Dept E 15, D-85748 Garching, Germany

[2] Max Planck Inst Phys, D-80505 Munich, Germany

[3] Max Planck Inst Extraterr Phys, D-85748 Garching, Germany

来源：

ASTROPARTICLE PHYSICS | 1993年 / 1卷 / 04期

关键词：

26;

D O I：

10.1016/0927-6505(93)90004-W

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The Solar Maximum Mission satellite did not record any gamma-ray counts in excess of the background for a time interval of 223 s after the arrival of the first (nu) over bar (e)'s from the supernova 1987A. On the basis of the original data we derive a new 3 sigma upper limit on the gamma fluence for this period and derive improved bounds on the nu(i) -> nu(j)gamma and nu(tau) -> nu(e)e(-)e(+) gamma radiative decay channels for neutrino masses up to the experimentally allowed value of around 30 MeV.

引用

页码：377 / 386

页数：10

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