Anti-B --> X(s) gamma: Standard Model and Beyond

Details Anti-B --> X(s) gamma: Standard Model and Beyond Anti-B --> X(s) gamma: Standard Model and Beyond

2008-05-14

arxiv.org/abs/0805.2141v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, 2 figures, 1 table, based on talks given at XLIIIrd Rencontres de Moriond, Electroweak Session, La Thuile, Italy, Mar

Scientific paper

We present a concise review of the recent theoretical progress concerning the standard model calculation of the inclusive radiative anti-B --> X(s) gamma decay. Particular attention is thereby devoted to the calculations of the next-to-next-to-leading order fixed-order O(alpha_s^2) contributions, non-local O(alpha_s Lambda/m_b) power corrections, and logarithmic-enhanced O(alpha_s^2) cut-effects to the decay rate. The current status of various beyond the standard model calculations of the inclusive b --> s gamma mode is also summarized.

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