Uncertainties from Long Range Effects in $B \to K^* γ

Details Uncertainties from Long Range Effects in $B \to K^* γ Uncertainties from Long Range Effects in $B \to K^* γ

1994-08-25

arxiv.org/abs/hep-ph/9408370v1

Phys.Rev. D51 (1995) 1215-1223

Physics

High Energy Physics

High Energy Physics - Phenomenology

Standard Latex file, 20 pgs (figures not included), UMHEP-411, UH-511-800-94

Scientific paper

10.1103/PhysRevD.51.1215

We reconsider the `long-range' component of the radiative transition $B \to K^* \gamma$. A careful analysis of the vector dominance amplitude $B \to V_1 V_2 \to V_1 \gamma$ is carried out, with emphasis on the role of gauge invariance. The procedure for incorporating phenomenological $B\to V_1 V_2$ data is identified and polarization data, only recently available, is employed to estimate the magnitude of the vector dominance effect. We summarize uncertainties in the $B\to K^*\gamma$ radiative transition produced by long-range effects and provide sugggestions for further experimental work.

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