Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2010-06-25
PoS DIS2010:212,2010
Physics
High Energy Physics
High Energy Physics - Phenomenology
Contribution to the XVIII International Workshop on Deep-Inelastic Scattering and Related Subjects, April 19 -23, 2010, Floren
Scientific paper
We consider extensions of the Minimal Supersymmetric Standard Model (MSSM) where the extra degrees of freedom interact weakly with the Higgs sector. These models allow to relax the tension between the lower bound on the lightest CP even Higgs mass from direct LEP searches and the theoretical upper bound of the MSSM. We study the beyond MSSM (BMSSM) effects via an effective field-theory approach, assuming that the MSSM is valid up to a heavy physics scale M. We compute the masses, couplings and branching fractions of the Higgs sector, including all the relevant corrections up to order 1/M^2. We find that the collider phenomenology can be greatly different with respect to both the SM and the MSSM.
Carena Marcela
Ponton Eduardo
Zurita Jose
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