Isospin symmetry breaking and direct CP violation in B -> ργ within and beyond the standard model

Details Isospin symmetry breaking and direct CP violation in B -> ργ within and beyond the standard model Isospin symmetry breaking and direct CP violation in B -> ργ within and beyond the standard model

2000-09-04

arxiv.org/abs/hep-ph/0009023v1

Nucl.Phys.Proc.Suppl. 93 (2001) 296-299

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 2 figures, talk at ICHCBH IV Valencia

Scientific paper

10.1016/S0920-5632(00)01122-1

We discuss the isospin symmetry breaking quantity \Delta^{\pm 0} = \Gamma(B^\pm -> \rho^\pm \gamma)/[2 \Gamma(B^0 -> \rho^0 \gamma)] - 1, and the direct CP violation in B^\pm -> \rho^\pm \gamma within and beyond the standard model. After showing that the leading-order calculation would be a good approximation in such models, we argue that measurements of these quantities would be able to disentagle physics beyond the standard model.

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