Power suppressed effects in B-> X_s gamma at O(alpha_s)

Details Power suppressed effects in B-> X_s gamma at O(alpha_s) Power suppressed effects in B-> X_s gamma at O(alpha_s)

2009-11-11

arxiv.org/abs/0911.2175v2

Nucl.Phys.B830:278-290,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages,4 figures, v2: comments and one figure on endpoint behaviour added, version to appear on NPB

Scientific paper

10.1016/j.nuclphysb.2009.12.035

We compute the O(alpha_s) corrections to the Wilson coefficients of the
dimension five operators emerging from the Operator Product Expansion of
inclusive radiative B decays. We discuss the impact of the resulting O(alpha_s
Lambda_QCD^2/m_b^2) corrections on the extraction of m_b and mu_pi^2 from the
moments of the photon spectrum.

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