${BR}(\bar{B}\to X_sγ)$: First Next-to-Next-to-Leading Order Results

Details ${BR}(\bar{B}\to X_sγ)$: First Next-to-Next-to-Leading Order Results ${BR}(\bar{B}\to X_sγ)$: First Next-to-Next-to-Leading Order Results

2004-06-22

arxiv.org/abs/hep-ph/0406240v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, ps figures included, contribution to the Proceedings of the International Conference and Loops and Legs in Quantum Fi

Scientific paper

10.1016/j.nuclphysbps.2004.09.01

In this contribution the first next-to-next-to-leading order corrections to
the branching ratio ${BR}(\bar{B}\to X_s\gamma)$ are discussed. This includes
the completion of the matching part and the fermionic corrections to the most
important operator matrix elements.

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