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Related papers: The MSSM Higgs sector and B-Bbar mixing for large …

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The status of the evaluation of the MSSM Higgs sector is reviewed. The phenomenological impact of recently obtained corrections is discussed. In particular it is shown that the upper bound on m_h within the MSSM is shifted upwards.…

High Energy Physics - Phenomenology · Physics 2011-09-13 G. Degrassi , S. Heinemeyer , W. Hollik , P. Slavich , G. Weiglein

We match the Higgs sector of the most general flavour breaking and CP violating minimal supersymmetric standard model (MSSM) onto a generic two-Higgs-doublet model, paying special attention to the definition of tan beta in the effective…

High Energy Physics - Phenomenology · Physics 2011-09-12 Martin Gorbahn , Sebastian Jager , Ulrich Nierste , Stephanie Trine

We consider tan(beta)-enhanced quantum effects in the minimal supersymmetric standard model (MSSM) including those from the Higgs sector. To this end, we match the MSSM to an effective two-Higgs doublet model (2HDM), assuming that all SUSY…

High Energy Physics - Phenomenology · Physics 2010-04-15 M. Beneke , P. Ruiz-Femenia , M. Spinrath

We interpret the current experimental limit on the lightest Higgs boson mass to suggest that if nature is supersymmetric, there are additional interactions beyond those of the MSSM coming from new degrees of freedom around the TeV scale.…

High Energy Physics - Phenomenology · Physics 2008-11-26 Michael Dine , Nathan Seiberg , Scott Thomas

We update the upper bound on the lightest CP even Higgs mass in the NMSSM, which is given as a function of tan(beta) and lambda. We include the available one and two loop corrections to the NMSSM Higgs masses, and constraints from the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Ulrich Ellwanger , Cyril Hugonie

We propose a supersymmetric extension of the standard model which does not have a ``mu'' supersymmetric Higgs mass parameter. The matter content of the MSSM is extended with three additional chiral superfields: one singlet, an SU(2) triplet…

High Energy Physics - Phenomenology · Physics 2007-05-23 Ann E. Nelson , Nuria Rius , Veronica Sanz , Mithat Unsal

We update constraints from B physics observables on the parameters of the MSSM and the NMSSM, combining them with LEP constraints. Presently available SM and Susy radiative corrections are included in the calculations, which will be made…

High Energy Physics - Phenomenology · Physics 2009-04-17 Florian Domingo , Ulrich Ellwanger

Considering the MSSM with the CKM matrix as the only source of flavour violation and heavy supersymmetric particles at large $\tan\beta$, we analyze the correlation between {\it the increase} of the rates of the decays $B^0_{s,d}\to…

High Energy Physics - Phenomenology · Physics 2014-11-17 A. J. Buras , P. H. Chankowski , J. Rosiek , L Slawianowska

Higgs singlet superfields are usually present in most extensions of the Minimal Supersymmetric Standard Model (MSSM) that address the mu-problem, such as the Next-to-Minimal Supersymmetric Standard Model (NMSSM) and the Minimal Nonminimal…

High Energy Physics - Phenomenology · Physics 2008-11-26 Robert N. Hodgkinson , Apostolos Pilaftsis

We analyze the impact of Higgs-mediated amplitudes on the rare decays KL -> pi0 nu nu-bar and K+ -> pi+ nu nu-bar in the MSSM with large tan(beta) and general flavour mixing. We point out that, going beyond the minimal flavour violation…

High Energy Physics - Phenomenology · Physics 2009-11-11 G. Isidori , P. Paradisi

The excluded tan(beta) range and Higgs boson mass regions in the framework of the Minimal Supersymmetric extension of the Standard Model (MSSM) depend on several parameters. The Higgs boson masses, cross-sections and branching fractions…

High Energy Physics - Phenomenology · Physics 2009-10-31 Andre Sopczak

New limits on the Higgs mass from LEP and new calculations on the radiative (penguin) decay of the b->s gamma branching ratio restrict the parameter space of the Constrained Minimal Supersymmetric Standard Model (CMSSM). We find that for…

High Energy Physics - Phenomenology · Physics 2009-10-31 W. de Boer , H. J. Grimm , A. V. Gladyshev , D. I. Kazakov

One of the main implications of the LHC discovery of a Higgs boson with a mass $M_h \approx 126$ GeV is that the scale of supersymmetry-breaking in the Minimal Supersymmetric Standard Model (MSSM) might be rather high, $M_S \gg M_Z$. In…

High Energy Physics - Phenomenology · Physics 2014-04-18 Abdelhak Djouadi , Jeremie Quevillon

We compute the O(alpha_s) SUSY-QCD corrections to the W and charged Higgs mediated inclusive semi-tauonic B-decay, B->tau antineutrino_tau X. Combining the SUSY contribution with the SM result obtained from the heavy quark effective field…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. A. Coarasa , Ricardo A. Jimenez , Joan Sola

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…

High Energy Physics - Phenomenology · Physics 2010-11-19 Marcela Carena , Eduardo Pontón , José Zurita

Inspired by the latest results of ATLAS and CMS on the search for the standard model (SM) Higgs scalar, we discuss in this article the correlations between Higgs-boson properties, low-energy observables, such as B -> X_sgamma, B_s ->…

High Energy Physics - Phenomenology · Physics 2013-01-14 Ulrich Haisch , Farvah Mahmoudi

We calculate the one-loop corrections to the Higgs boson masses within the context of the MSSM with Non-Minimal Flavor Violation in the squark sector. We take into account all the relevant restrictions from BR(B -> X_s gamma), BR(B_s ->…

High Energy Physics - Phenomenology · Physics 2012-01-31 M. Arana-Catania , S. Heinemeyer , M. J. Herrero , S. Penaranda

The main production mechanism for supersymmetric Higgs particles at hadron colliders crucially depends on the size of their Yukawa couplings to bottom quarks. For sufficiently large tan(beta) the total cross section for some of the neutral…

High Energy Physics - Phenomenology · Physics 2007-10-15 Alexander Mück

Recently it has been understood that flavor-changing processes mediated by Higgs bosons could be a new and powerful tool for discovering supersymmetry. In this paper we show that they may also provide an important method for constraining…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. L. Kane , C. Kolda , J. E. Lennon

In the high-scale (split) MSSM, the measured Higgs mass sets an upper bound on the supersymmetric scalar mass scale MSUSY around $10^{11}$ ($10^{8}$) GeV, for $\tan\beta$ in the standard range and the central value of the top quark mass…

High Energy Physics - Phenomenology · Physics 2018-09-24 Jae-hyeon Park
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