Structure-dependent radiative corrections to phi -> K^+K^-/K_LK_S decays

Details Structure-dependent radiative corrections to phi -> K^+K^-/K_LK_S decays Structure-dependent radiative corrections to phi -> K^+K^-/K_LK_S decays

2008-10-23

arxiv.org/abs/0810.4349v1

Phys.Rev.D78:077301,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, Latex, 2 .eps figures

Scientific paper

10.1103/PhysRevD.78.077301

Current predictions for the ratio of phi -> K^+K^-/K_LK_S decay rates exceed the corresponding experimental value in about five standard deviations. By far, the dominant sources of isospin breaking to this ratio are the phase-space (52%) and the electromagnetic radiative (4.3%, computed within scalar QED) corrections. Here we estimate the effects of the electromagnetic structure of kaons and other model-dependent contributions into the radiative corrections.

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