Determining the Sign of theb→sγAmplitude

2004/10/31 by Paolo Gambino, Ulrich Haisch, Mikołaj Misiak +1 · 10 citations
Physics and Astronomy · #Black Holes and Theoretical Physics #Dark Matter and Cosmic Phenomena #Particle physics theoretical and experimental studies #hep-ex #hep-ph

paper · pdf · doi:10.1103/physrevlett.94.061803

published as Phys.Rev.Lett.94:061803,2005 · Journal version, references added, minor modifications. 4 pages, 2 figures

arxiv created 2005/02/14 · openalex publication_date 2005/02/17 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28

Abstract

The latest Belle and BABAR measurements of the inclusive B\ensuremath→X_sl⁺l^\ensuremath- branching ratio have smaller errors and lower central values than the previous ones. We point out that these results indicate that the sign of the b\ensuremath→s\ensuremathγ amplitude is the same as in the standard model. This underscores the importance of B\ensuremath→X_sl⁺l^\ensuremath- in searches for new physics, and may be relevant for neutralino--dark matter analyses within the minimal supersymmetric standard model.

Citations

• More model-independent analysis ofb→sprocesses

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