LONG DISTANCE EFFECTS AND CP VIOLATION in $B^{\pm}\toρ^{\pm}γ$

Details LONG DISTANCE EFFECTS AND CP VIOLATION in $B^{\pm}\toρ^{\pm}γ$ LONG DISTANCE EFFECTS AND CP VIOLATION in $B^{\pm}\toρ^{\pm}γ$

1995-05-03

arxiv.org/abs/hep-ph/9505222v1

Z.Phys.C71:95-100,1996

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, LaTeX file, 10 figs. not included available by FAX after request

Scientific paper

10.1007/s002880050151

We demonstrate that the long distance contribution to $B^{\pm} \to \rho^{\pm} \gamma$ may have a large effect on the decay rate and through it on the CP violating partial rate asymmetry. The change in the asymmetry can be between a factor of 0.4 and 1.4 with respect to the effect of the short distance contribution alone, depending on the values of the CKM parameters $\rho$ and $\eta$ .

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