ENFORCING STRONG T AND P CONSERVATION

被引：3

作者：

KANDASWAMY, J

SALOMONSON, P

SCHECHTER, J

机构：

[1] Institute of Theoretical Physics, Göteborg 5

来源：

PHYSICAL REVIEW D | 1979年 / 19卷 / 09期

关键词：

D O I：

10.1103/PhysRevD.19.2757

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The derivation of the properties of the axion which results from an extended weak-electromagnetic symmetry is discussed in some detail. A brief review of the experimental difficulties with a light axion is given. The possibility of a heavy axion, which at first would seem to offer a way out of the problem, is shown to lead to an unacceptable distortion of the pseudoscalar mass spectrum. Other reasonable generalizations of the axion scheme are investigated. These do not, on fairly general grounds, seem to offer a resolution of the problem. Two non-axion solutions (i) mu=0 and (ii) strong dynamical rejection of T- and P-violating phases are studied. However, there is no clear evidence for them and some (mild) evidence against them. Finally, other non-axion solutions are mentioned. © 1979 The American Physical Society.

引用

页码：2757 / 2771

页数：15

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