MEASUREMENT OF THE NEUTRINO MASS FROM TRITIUM BETA-DECAY

被引：38

作者：

HOLZSCHUH, E

机构：

[1] Phys. Inst., Zurich Univ.

来源：

REPORTS ON PROGRESS IN PHYSICS | 1992年 / 55卷 / 07期

关键词：

D O I：

10.1088/0034-4885/55/7/004

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Experiments to measure the mass of the electron antineutrino from tritium beta-decay are reviewed. The spectrum shape and various distributions, needed for the analysis of a measured beta-spectrum, are discussed. Their relative importance is pointed out and possible systematic errors are discussed. Recently published measurements gave no indication for a non-zero mass and upper limits in the range 9.3 to 15.4 Ev were claimed. These experiments are critically reviewed. It is concluded that the only previous experiment suggesting a mass of about 30 Ev, must be wrong. Possible reasons for this are discussed. A brief survey of the masses of the other neutrino types and of neutrino mixing is given and some recent results are summarized. Also the experimental situation of Simpson's 17 keV neutrino is discussed.

引用

页码：1035 / 1091

页数：57

共 214 条

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