Developments in the evaluation of m_c dependent matrix elements in B -> Xs gamma at NNLO
arXiv:0807.0915 · doi:10.1016/j.nuclphysbps.2008.09.106
Abstract
The full prediction of the inclusive radiative B -> Xs gamma decay rate at NNLO requires a complete evaluation of missing charm quark mass dependent matrix elements. Recent developments in the on-going computations are reported and the current status is briefly overviewed.
Contribution to the Proceedings of the 9th DESY workshop on "Loops and Legs in Quantum Field Theory", Sondershausen, April 2008. 5 pages, 2 figures
References in corpus (21)
- Estimate of BR(B -> X_s gamma) at O(alpha_s^2)
- Weak Radiative B-Meson Decay Beyond Leading Logarithms
- Branching Fraction and Photon Energy Spectrum b -> s gamma
- Automatized analytic continuation of Mellin-Barnes integrals
- Photonic penguins at two loops and m_t-dependence of BR[ B -> X_s l^+ l^-]
- NNLO QCD corrections to the B -> X_s gamma matrix elements using interpolation in m_c
- Effective Hamiltonian for Non-Leptonic |Delta F| = 1 Decays at NNLO in QCD
- Present Status of Inclusive Rare B Decays
- Three-loop matching of the dipole operators for b -> s gamma and b -> s g
- Three-Loop Mixing of Dipole Operators
- Four-Loop Anomalous Dimensions for Radiative Flavour-Changing Decays
- Measurement of the B --> X_s gamma Branching Fraction and Photon Energy Spectrum using the Recoil Method
- The photon energy spectrum in B-> X_s + γin perturbative QCD through O(α_s^2)
- Fermionic NNLL corrections to b -> s γ
- Measurement of the Branching Fraction and Photon Energy Moments of B->X_s gamma and A_{cp}(B->X_(s+d) gamma)
- The B -> X_s gamma Photon Spectrum
- NNLO fermionic corrections to the charm quark mass dependent matrix elements in B -> X_s gamma
- The electromagnetic dipole operator effect on B -> Xs gamma at O(alpha_s^2)
- NNLL QCD Contribution of the Electromagnetic Dipole Operator to Gamma(anti-B -> X(s) gamma)
- Magnetic dipole operator contributions to the photon energy spectrum in anti-B -> X(s) gamma at O(alpha(s)^2)
- Charm quark mass dependence of the electromagnetic dipole operator contribution to anti-B -> X(s) gamma at O(alpha**2(s))