BOUND ON THE TAU-NEUTRINO MAGNETIC-MOMENT FROM THE BEBC BEAM DUMP EXPERIMENT

被引：55
|
作者：
COOPERSARKAR, AM
SARKAR, S
GUY, J
VENUS, W
HULTH, PO
HULTQVIST, K
机构：
[1] RUTHERFORD APPLETON LAB,DIDCOT OX11 0QX,OXON,ENGLAND
[2] UNIV STOCKHOLM,DEPT PHYS,S-11346 STOCKHOLM,SWEDEN
来源：
PHYSICS LETTERS B | 1992年 / 280卷 / 1-2期
关键词：
D O I：
10.1016/0370-2693(92)90789-7
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We have searched for electrons scattered in the forward direction by neutrinos produced by dumping a 400 GeV/c proton beam on a copper target. We estimate the number of tau neutrinos produced from the decays of D(s) mesons in the dump. The data limit the possible magnetic moment of tau neutrinos to be below 5.4 X 10(-7)-mu(B). This rules out the suggestion that tau neutrinos of mass O(MeV) constitute the dark matter in the universe.
引用
收藏
页码：153 / 158
页数：6
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