Radiative corrections to the decays K_L^0->e^+e^- and K_L^0->mu^+mu^-

Details Radiative corrections to the decays K_L^0->e^+e^- and K_L^0->mu^+mu^- Radiative corrections to the decays K_L^0->e^+e^- and K_L^0->mu^+mu^-

1999-01-05

arxiv.org/abs/hep-ph/9901227v1

Phys.Rev. D59 (1999) 094018

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, 6 figures, ReVTeX

Scientific paper

10.1103/PhysRevD.59.094018

We calculate the rates and lepton (l) invariant mass distributions for decays of the form 0^{-+}->l^+l^-\gamma, which are important radiative corrections to the purely leptonic decays 0^{-+}->l^+l^-. Our approach uses the loop diagrams which arise by including the two photon intermediate state and we retain the imaginary parts of the loops - a radiative extension of the `unitarity bound' for the process. These results are compared which those obtained using a model in which the meson couples directly to the leptons.

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