GALACTIC SUPERNOVA SIGNAL IN BOREX AND MEASUREMENT OF NU-MU,NU-TAU MASSES

被引：8

作者：

ACKER, A ^{[1
]}

PAKVASA, S ^{[1
]}

RAGHAVAN, RS ^{[1
]}

机构：

[1] AT&T BELL LABS,MURRAY HILL,NJ 07974

来源：

PHYSICS LETTERS B | 1990年 / 238卷 / 01期

关键词：

D O I：

10.1016/0370-2693(90)92110-5

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We consider the neutrino flux from a galactic supernova and the induced signal in Borex. A total of ∼ 300 events is predicted. The detection of vμ's and vτ's through neutral current excitation of the 11B nuclei is discussed. We find that examination of the time structure of these events allows measurement of the vμ and vτ masses in the range 200 eV {precedes above almost equal to}mv{precedes above almost equal to}30 keV, provided they are stable. For unstable v's, a vep signal enables measurements of masses in the range 200 keV {precedes above almost equal to}mv{precedes above almost equal to}1 MeV, provided they decay into ve + φ. © 1990.

引用

页码：117 / 121

页数：5

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