Radiative corrections in K --> pi l+ l- decays

Details Radiative corrections in K --> pi l+ l- decays Radiative corrections in K --> pi l+ l- decays

2010-07-12

arxiv.org/abs/1007.1887v2

Eur.Phys.J.C70:219-231,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 9 figures; reference added, matches version published in EPJC

Scientific paper

10.1140/epjc/s10052-010-1442-z

We calculate radiative corrections to the flavor-changing neutral current process K --> pi l+ l-, 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 l+ l- or omega --> pi0 l+ l-.

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