Role of gauge invariance in B -> V gamma radiative weak decays

Details Role of gauge invariance in B -> V gamma radiative weak decays Role of gauge invariance in B -> V gamma radiative weak decays

2001-10-25

arxiv.org/abs/hep-ph/0110328v2

Europhys.Lett.57:28-33,2002

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, Revtex, no figures

Scientific paper

10.1209/epl/i2002-00313-4

The role of gauge invariance in calculating B -> V gamma radiative weak
decays is clarified. It is shown that the gauge invariance severely restricts
the contributions mediated by the usual weak non-leptonic Hamiltonian dominated
by u and c quaks with one photon attachment. Such contributions are found to be
almost negligible.

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