4.8 Article

Determining the sign of the b→sγ amplitude -: art. no. 061803

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PHYSICAL REVIEW LETTERS
卷 94, 期 6, 页码 -

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AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.94.061803

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The latest Belle and BABAR measurements of the inclusive (B) over bar --> X(s)l(+)l(-) 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 --> sgamma amplitude is the same as in the standard model. This underscores the importance of (B) over bar --> X(s)l(+)l(-) in searches for new physics, and may be relevant for neutralino-dark matter analyses within the minimal supersymmetric standard model.

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