Electromagnetic corrections to non-leptonic two-body B and D decays

被引：34
|
作者：
Baracchini, E
Isidori, G
机构：
[1] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy
[2] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy
[3] Ist Nazl Fis Nucl, Sez Roma, I-00185 Rome, Italy
来源：
PHYSICS LETTERS B | 2006年 / 633卷 / 2-3期
关键词：
D O I：
10.1016/j.physletb.2005.11.072
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present analytic expressions to evaluate at O(alpha) the effects of soft-photon emission, and the related virtual corrections, in non-leptonic decays of the type B, D -> P1P2, where P-1.2 are scalar or pseudoscalar particles. The phenomenological implications of these results are briefly discussed. For B decays into charged pions the effects of soft-photon emission are quite large: the corrections to the rates can easily exceed the 5% level if tight cuts on the photon energy are applied. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：309 / 313
页数：5
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