K(0) DECAY INTO 3 PHOTONS

被引：6

作者：

HEILIGER, P

MCKELLAR, B

SEHGAL, LM

机构：

[1] RHEIN WESTFAL TH AACHEN,INST PHYS A 3,D-52056 AACHEN,GERMANY

[2] UNIV MELBOURNE,SCH PHYS,HIGH ENERGY PHYS RES CTR,PARKVILLE,VIC 3052,AUSTRALIA

来源：

PHYSICS LETTERS B | 1994年 / 327卷 / 1-2期

关键词：

D O I：

10.1016/0370-2693(94)91542-3

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The decays K(L,S) --> 3gamma are not forbidden by any selection rules or symmetry principles. However, gauge invariance a Bose statistics dictate that every photon pair in these transitions has at least two units of angular momentum. This gives rise to an extraordinary suppression. Using a simple model, we obtain the branching ratios B(K(L) --> 3gamma) approximately 3 . 10(-19), B(K(S) --> 3gamma) approximately 5 . 10(-22).

引用

页码：145 / 148

页数：4

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