On Radiative Weak Annihilation Decays

Details On Radiative Weak Annihilation Decays On Radiative Weak Annihilation Decays

2000-12-22

arxiv.org/abs/hep-ph/0012316v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages LaTeX, includes macros file and 9 .eps figures. Invited talk at RADCOR 2000 (5th Int. Symp. on Radiative Corrections)

Scientific paper

We discuss a little-studied class of weak decay modes sensitive to only one quark topology at leading order in G_F: M --> m gamma, where M,m are mesons with completely distinct flavor quantum numbers. Specifically, they proceed via the annihilation of the valence quarks through a W and the emission of a single hard photon, and thus provide a clear separation between CKM and strong interaction physics. We survey relevant calculations performed to date, discuss experimental discovery potential, and indicate interesting future directions.

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