A Study on Radiative Dileptonic Decays
B0(Bs)→γ l+l-

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Communications in Theoretical Physics

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A Study on Radiative Dileptonic Decays B0(Bs)→γ l+l-

CHEN Jun-Xiao,^1,2 HOU Zhao-Yu,³ and LÜ Cai-Dian¹

¹ Institute of High Energy Physics, the Chinese Academy of Sciences, P.O. Box 918(4), Beijing 100049, China
² College of Physical Science and Information Engineering, Hebei Normal University, Shijiazhuang 050016, China
³ Mathematics and Physics Department, Shijiazhuang Railway Institute, Shijiazhuang 050043, China

Received: 2006-03-16 Revised: 2006-04-30 Published: 2007-02-15

Abstract

Abstract: We study the rare radiative dileptonic decays B⁰(B_s)→γ l⁺l^- (l=e,μ) in the standard model. By using the B meson wave function constrained by non-leptonic decays, the branching ratios turn out to be of the order of 10^-9 for B_s→γ μ⁺μ^-, γe⁺e^-, and 10^-10 for B⁰→γμ⁺μ^-, γe⁺e^-. Based on the study, these decays are accessible at the near future LHC-b experiment, which are useful to determine the B(B_s) wave function.

Key words: radiative decay, B meson, wave function

PACS numbers:

13.20.He

CHEN Jun-Xiao,, HOU Zhao-Yu, and LÜ Cai-Dian, Commun. Theor. Phys. 47 (2007) 299.

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A Study on Radiative Dileptonic Decays B0(Bs)→γ l+l-

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