Large-m_c Asymptotic Behaviour of O(alpha_s^2) Corrections to B -> X_s gamma

Details Large-m_c Asymptotic Behaviour of O(alpha_s^2) Corrections to B -> X_s gamma Large-m_c Asymptotic Behaviour of O(alpha_s^2) Corrections to B -> X_s gamma

2010-05-07

arxiv.org/abs/1005.1173v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, 2 figures

Scientific paper

We present details of our evaluation of the NNLO QCD corrections to BR(B ->
X_s gamma) in the heavy charm limit m_c >> m_b/2. Results of this calculation
have been essential for estimating O(alpha_s^2) effects in this branching ratio
via interpolation in m_c.

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