Radiative corrections in K → πl+l- decays

被引：18
作者：
Kubis, Bastian [1 ]
Schmidt, Rebekka
机构：
[1] Univ Bonn, Helmholtz Inst Strahlen & Kernphys Theorie, D-53115 Bonn, Germany
来源：
EUROPEAN PHYSICAL JOURNAL C | 2010年 / 70卷 / 1-2期
关键词：
RARE; PHOTONS;
D O I：
10.1140/epjc/s10052-010-1442-z
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We calculate radiative corrections to the flavor-changing neutral current process K ->pi a"" (+) a"" (-), both for charged and neutral kaon decays. While the soft-photon approximation is shown to work well for the muon channels, we discuss the necessity of further phase space cuts with electrons in the final state. It is also shown how to transfer our results to other decays such as eta ->gamma a"" (+) a"" (-) or omega ->pi (0) a"" (+) a"" (-).
引用
收藏
页码：219 / 231
页数：13
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