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New constraints on supersymmetric models from b -> s gamma · Around

2007

New constraints on supersymmetric models from b -> s gamma

Mahmoudi, F.

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We provide an analysis of the parameter space of several supersymmetry breaking scenarios such as the minimal supergravity (mSUGRA) model and the non universal Higgs mass (NUHM) framework, as well as the Anomaly Mediated Supersymmetry Breaking (AMSB) and the Gauge Mediated Supersymmetry Breaking (GMSB) models, in the light of a novel observable in b -> s gamma transitions, i.e.

the isospin symmetry breaking in the exclusive B -> K* gamma decays.
We find that in many cases, this observable provides severe restrictions on the allowed parameter space regions for the mentioned models.
Moreover, we provide a few examples of investigations of the physical masses of supersymmetric particles and search for the excluded values.

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Then

P. Ball, G.W. Jones and R. Zwicky, Phys. Rev. D 75
2007
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F. Mahmoudi and M.R. Ahmady, AIP Conf. Proc. 903
2007
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M. Misiak et al
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T. Becher and M. Neubert, Phys. Rev. Lett. 98
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J.R. Ellis, S. Heinemeyer, K.A. Olive, A.M. Weber and G. Weiglein, JHEP 0708
Original
2007
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F. Mahmoudi, arXiv:0710.2067 [hep-ph], http://www3.tsl.uu.se/ ∼ \sim nazila/superiso/
Original
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