Radiative and non radiative muon capture on the proton in heavy baryon chiral perturbation theory

Details Radiative and non radiative muon capture on the proton in heavy baryon chiral perturbation theory Radiative and non radiative muon capture on the proton in heavy baryon chiral perturbation theory

1997-09-25

arxiv.org/abs/hep-ph/9709459v1

Nucl.Phys. A631 (1998) 735c-739c

Physics

High Energy Physics

High Energy Physics - Phenomenology

Talk at the 15th Int. Conf. on Few-Body Problems in Physics, 22-26 July, 1997, Groningen, The Netherlands, to be published in

Scientific paper

10.1016/S0375-9474(98)00101-8

We have evaluated the amplitude for muon capture by a proton, mu + p --> n + nu, to O(p^3) within the context of heavy baryon chiral perturbation theory (HBChPT) using the new O(p^3) Lagrangian of Ecker and Mojzis (E&M). We obtain expressions for the standard muon capture form factors and determine three of the coefficients of the E&M Lagrangian, namely, b_7, b_{19}, and b_{23}. We describe progress on the next step, a calculation of the radiative muon capture process, mu + p --> n + nu + gamma.

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