arXiv:hep-ph/9505378·v1·High Energy Physics — Phenomenology
Exclusive Semi-Leptonic Decays of b-Baryons into Protons
Will Loinaz🇺🇸 · R. Akhoury (University of Michigan)🇫🇷
Abstract
We present a QCD-based calculation of the exclusive semileptonic decay Lambda_b -> p l nu-bar. Using the ideas of Heavy Quark Effective Theory, we discuss the factorization of the amplitude. Further, resummed Sudakov effects are put in to ensure a consistent perturbative expansion.
Comments: 12 pages with 5 figures, Latex. Full postscript version available via anonymous ftp at ftp://williams.physics.lsa.umich.edu/pubs/preprints/UM-TH-95-11.tar.Z