MEASUREMENT OF THE ELECTRON NEUTRINO MASS FROM TRITIUM BETA-DECAY

被引：62

作者：

HOLZSCHUH, E

FRITSCHI, M

KUNDIG, W

机构：

[1] Physik-Institut der Universität Zürich

来源：

PHYSICS LETTERS B | 1992年 / 287卷 / 04期

关键词：

D O I：

10.1016/0370-2693(92)91000-Y

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Measurements of the tritium beta-spectrum are reported. Thin sources consisting of a monolayer of tritiated hydrocarbon molecules were used. No indication of a nonzero mass m(nu) of the electron antineutrino was found. The result is M(nu)2 = -24 +/- 48 +/- 61 eV2 (1-sigma). An upper limit m(nu) < 11 eV (9 5% confidence level) is derived.

引用

页码：381 / 388

页数：8

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