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

Abstract

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.

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

References in corpus (8)

• Estimate of BR(B -> X_s gamma) at O(alpha_s^2)
• Flavor Physics in the Quark Sector
• Averages of b-hadron and c-hadron Properties at the End of 2007
• Inclusive semileptonic B decays and the determination of |V_ub|
• Enhanced Non-local Power Corrections to the B->X_s+gamma Decay Rate
• B -> Xs gamma - Current Status
• QCD Calculations of Radiative B Decays
• Precision calculations in BR(anti-B --> Xs gamma)

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• Perturbative corrections to power suppressed effects in semileptonic B decays
• B semileptonic moments at NNLO
• Kinetic operator effects in B-> X_c l nu at O(alpha_s)
• Constraining top-quark couplings combining top-quark and $\mathbf{B}$ decay observables
• The (Q_7,Q_{1,2}) contribution to B -> X_s gamma at O(alpha_s^2)
• On HQET and NRQCD Operators of Dimension 8 and Above
• Complete (O_7,O_8) contribution to B -> X_s gamma at order alpha_s^2
• Determination of the CKM matrix elements |V(xb)|
• Progress on semi-leptonic $B_{(s)}$ decays
• $B\to K{\eta }^{(\prime )}\gamma$ decays in the standard model and in scenarios with universal extra dimensions
• Theory of radiative B decays
• Summary of the CKM 2016 working group on rare decays
• Higher dimensional HQET parameters