Baryon semileptonic decays: the Mexican contribution

Details Baryon semileptonic decays: the Mexican contribution Baryon semileptonic decays: the Mexican contribution

2007-01-09

arxiv.org/abs/hep-ph/0701067v1

AIP Conf.Proc.857B:27-36,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages. Prepared for the Commemorative Volume of the Divison of Particles and Fields of the Mexican Physical Society

Scientific paper

10.1063/1.2359389

We give a detailed account of the techniques to compute radiative corrections in baryon semileptonic decays developed over the years by Mexican collaborations. We explain how the method works by obtaining an expression for the Dalitz plot of semileptonic decays of polarized baryons including radiative corrections to order ${\mathcal O}(\alpha q/\pi M_1)$, where $q$ is the four-momentum transfer and $M_1$ is the mass of the decaying baryon. From here we compute the totally integrated spin angular asymmetry coefficient of the emitted baryon and compare its value with other results.

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