New constraints on supersymmetric models from b -> s gamma

Abstract

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. The constraints from the branching ratio associated to b -> s gamma are also presented here for all the examined parameter space regions. A comparison with B_s -> mu+ mu- branching ratio has also been performed.

16 pages, 11 figures (updated values for the b -> s gamma branching ratio, one figure added)

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Cited by in corpus (26)

• SuperIso v3.0: A program for calculating flavor physics observables in 2HDM and supersymmetry
• SuperIso: A program for calculating the isospin asymmetry of B -> K* gamma in the MSSM
• Implications of LHCb measurements and future prospects
• Flavor constraints on two-Higgs-doublet models with general diagonal Yukawa couplings
• Dark Matter Candidates - Axions, Neutralinos, Gravitinos, and Axinos
• Bayesian Selection of sign(mu) within mSUGRA in Global Fits Including WMAP5 Results
• Implications of LHC Searches on SUSY Particle Spectra: The pMSSM Parameter Space with Neutralino Dark Matter
• SUSY constraints from relic density: high sensitivity to pre-BBN expansion rate
• Supersymmetric constraints from Bs -> mu+mu- and B -> K* mu+mu- observables
• Constraints on charged Higgs bosons from D(s)+- -> mu+- nu and D(s)+- -> tau+- nu
• Thermal relic abundances of long-lived staus
• Evidence for Isospin Violation and Measurement of $CP$ Asymmetries in $B\to K^{\ast }(892)\gamma$
• Four-lepton LHC events from MSSM Higgs boson decays into neutralino and chargino pairs
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• The decay $b\to s\gamma$ in the presence of a constant antisymmetric tensor field
• HEPLike: an open source framework for experimental likelihood evaluation
• Bounding the B_s -> gamma gamma decay from Higgs mediated FCNC transitions
• The long-lived stau as a thermal relic
• Flavour physics constraints in the BMSSM
• Gravitational waves from the phase transition in the B-LSSM
• Neutralino Dark Matter as the Source of the WMAP Haze