Bound-state β- decay of the neutron re-examined

被引：9

作者：

Ivanov, A. N. ^{[1
]}

Pitschmann, M. ^{[1
]}

Troitskaya, N. I. ^{[2
]}

Berdnikov, Ya. A. ^{[2
]}

机构：

[1] Tech Univ Wien, Atominst, A-1020 Vienna, Austria

[2] St Petersburg State Polytech Univ, St Petersburg 195251, Russia

来源：

PHYSICAL REVIEW C | 2014年 / 89卷 / 05期

基金：

奥地利科学基金会;

关键词：

LEFT-RIGHT-SYMMETRY; RADIATIVE-CORRECTIONS; TESTS;

D O I：

10.1103/PhysRevC.89.055502

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

This paper addresses the analysis of the set of observables of the bound-state beta(-) decay, which can be used for the experimental investigation of contributions of (i) interactions beyond the standard model (SM) and (ii) the left-handed polarization state of antineutrinos. For this aim we calculate the branching ratio, probabilities, and angular distributions of probabilities of hydrogen in the hyperfine states and the proton-electron pair in different spinorial states, induced by left-handed and right-handed hadronic and leptonic currents. The branching ratio of the bound-state beta(-) decay is calculated by taking into account radiative corrections. We show that the probabilities of the bound-state beta(-) decay can be good observables for experimental investigations of contributions of interactions beyond the SM, whereas the angular distributions of probabilities are good observables for experimental searches of contributions of the left-handed polarization state of antineutrinos.

引用

页数：8

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