Radiative corrections to the Dalitz plot of Kl3± decays

C. Juárez-León, A. Martínez, M. Neri, J. J. Torres, Rubén Flores-Mendieta

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Abstract

We calculate the model-independent radiative corrections to the Dalitz plot of Kl3± decays to the order of (α/π)(q/M1), where q is the momentum transfer and M1is the mass of the kaon. The final results are presented, first, with the triple integration over the variables of the bremsstrahlung photon ready to be performed numerically and, second, in an analytical form. These two forms are useful to cross-check on one another and with other calculations. This paper is organized to make it accessible and reliable in the analysis of the Dalitz plot of precision experiments and is not compromised to fixing the form factors at predetermined values. It is assumed that the real photons are kinematically discriminated. Otherwise, our results have a general model-independent applicability. © 2011 American Physical Society.
Original languageAmerican English
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
DOIs
StatePublished - 4 Mar 2011

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