Constraints on Light Bottom Squarks from Radiative B-Meson Decays

Details Constraints on Light Bottom Squarks from Radiative B-Meson Decays Constraints on Light Bottom Squarks from Radiative B-Meson Decays

2002-05-24

arxiv.org/abs/hep-ph/0205274v3

Phys.Lett.B540:278-288,2002

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, 3 figures. One reference added. Final version published in Physics Letters B

Scientific paper

10.1016/S0370-2693(02)02172-X

The presence of a light b-squark (with mass about 4 GeV) and gluino (with mass about 15 GeV) might explain the observed excess in b-quark production at the Tevatron. Though provocative, this model is not excluded by present data. The light supersymmetric particles can induce large flavor-changing effects in radiative decays of B mesons. We analyse the decays B->X_s gamma and B->X_{sg} in this scenario and derive restrictive bounds on the flavor-changing quark-squark-gluino couplings.

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