English
Related papers

Related papers: Reduction of the Parameters in MSSM

200 papers

In this article, we study the renormalization group equations of the Next-to-Minimal Supersymmetric Standard Model, and investigate universality conditions on the soft supersymmetry-breaking parameters at the Grand Unification scale. We…

High Energy Physics - Phenomenology · Physics 2022-10-19 David G. Cerdeno , Valentina De Romeri , Victor Martin-Lozano , Keith A. Olive , Osamu Seto

We investigate the expectations for the light Higgs signal in the MSSM in different search channels at the LHC. After taking into account dark matter and flavor constraints in the MSSM with eleven free parameters, we show that the light…

High Energy Physics - Phenomenology · Physics 2015-06-03 D. Albornoz Vasquez , G. Belanger , R. M. Godbole , A. Pukhov

We discuss constrained and semi--constrained versions of the next--to--minimal supersymmetric extension of the Standard Model (NMSSM) in which a singlet Higgs superfield is added to the two doublet superfields that are present in the…

High Energy Physics - Phenomenology · Physics 2014-11-18 A. Djouadi , M. Drees , U. Ellwanger , R. Godbole , C. Hugonie , S. F. King , S. Lehti , S. Moretti , A. Nikitenko , I. Rottlaender , M. Schumacher , A. Teixeira

We study the Higgs sector of the Next to Minimal Supersymmetric Standard Model (NMSSM) in light of the discovery of the SM-like Higgs boson at the LHC. We perform a broad scan over the NMSSM parameter space and identify the regions that are…

High Energy Physics - Phenomenology · Physics 2015-06-15 Neil D. Christensen , Tao Han , Zhen Liu , Shufang Su

The absence of low energy supersymmetry in run I data at the LHC has pushed the nominal scale for supersymmetry beyond a TeV. While this is consistent with the discovery of the Higgs boson at \approx 125 GeV, simple models with scalar and…

High Energy Physics - Phenomenology · Physics 2015-10-23 Keith A. Olive

Measurements at low energies provide interesting indirect information about masses of particles that are (so far) too heavy to be produced directly. Motivated by recent progress in consistently and rigorously calculating electroweak…

High Energy Physics - Phenomenology · Physics 2008-11-26 O. Buchmueller , R. Cavanaugh , A. De Roeck , S. Heinemeyer , G. Isidori , P. Paradisi , F. J. Ronga , A. M. Weber , G. Weiglein

While the properties of the signal that was discovered in the Higgs searches at the LHC are consistent so far with the Higgs boson of the Standard Model (SM), it is crucial to investigate to what extent other interpretations that may…

High Energy Physics - Phenomenology · Physics 2016-05-04 Florian Domingo , Georg Weiglein

The minimal supersymmetric standard model, and extensions, have stringent upper bounds on the mass of the lightest Higgs boson if perturbativity up to the Planck scale is assumed. We argue that these bounds are softened tremendously if the…

High Energy Physics - Phenomenology · Physics 2011-06-21 Puneet Batra , Antonio Delgado , David E. Kaplan , Tim M. P. Tait

This paper introduces a random statistical scan over the high-energy initial parameter space of the minimal SUSY $B-L$ model--denoted as the $B-L$ MSSM. Each initial set of points is renormalization group evolved to the electroweak…

High Energy Physics - Phenomenology · Physics 2015-03-20 Burt A. Ovrut , Austin Purves , Sogee Spinner

Extending the Higgs sector of the MSSM by triplets alleviates the little hierarchy problem and naturally allows for enhancements in the diphoton decay rate of the lightest CP-even Higgs h. In the present paper we analyze in detail the Higgs…

High Energy Physics - Phenomenology · Physics 2013-06-20 Antonio Delgado , Germano Nardini , Mariano Quiros

In the Next-to-Minimal Supersymemtric Standard Model (NMSSM), one of the neutral Higgs scalars (CP-even or CP-odd) may be lighter than half of the SM-like Higgs boson. In this case, the SM-like Higgs boson h can decay into such a light…

High Energy Physics - Phenomenology · Physics 2013-11-27 Junjie Cao , Fangfang Ding , Chengcheng Han , Jin Min Yang , Jingya Zhu

The search for renormalization group invariant relations among parameters to all orders in perturbation theory constitutes the basis of the reduction of couplings concept. Reduction of couplings can be achieved in certain $N=1$…

High Energy Physics - Phenomenology · Physics 2021-03-17 Sven Heinemeyer , Jan Kalinowski , Wojciech Kotlarski , Myriam Mondragón , Gregory Patellis , Nick Tracas , George Zoupanos

The region of MSSM Higgs parameter space currently excluded by the CDF Collaboration, based on an analysis of ~1 fb^-1 of integrated luminosity, is less than the expected sensitivity. We analyze the potential implications of the persistence…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. Ellis , S. Heinemeyer , K. A. Olive , G. Weiglein

We investigate the implications of the Higgs rate measurements from Run 1 of the LHC for the mass of the light scalar top partner (stop) in the Minimal Supersymmetric Standard Model (MSSM). We focus on light stop masses, and we decouple the…

High Energy Physics - Phenomenology · Physics 2016-12-22 Stefan Liebler , Stefano Profumo , Tim Stefaniak

In the Minimal Supersymmetric Standard Model, the higgsinos can have masses around the electroweak scale, while the other supersymmetric particles have TeV-scale masses. This happens in models of gauge-mediated SUSY breaking with a high…

High Energy Physics - Phenomenology · Physics 2012-05-08 F. Brümmer

Within the framework of the Minimal Supersymmetric Standard Model (MSSM) the Higgs masses and LEP II production cross sections are calculated for a wide range of the parameter space. In addition, the parameter space restricted by…

High Energy Physics - Phenomenology · Physics 2009-10-28 A. V. Gladyshev , D. I. Kazakov , W. de Boer , G. Burkart , R. Ehret

This paper is motivated by three issues associated with the supersymmetric extension of the standard model: the $\mu$ problem, the possibility of raising the upper bound on the lightest-Higgs mass, and the triviality problem associated with…

High Energy Physics - Phenomenology · Physics 2009-10-28 Yi-Yen Wu

The current experimental lower bound on the Higgs mass significantly restricts the allowed parameter space in most realistic supersymmetric models, with the consequence that these models exhibit significant fine-tuning. We propose a…

High Energy Physics - Phenomenology · Physics 2014-11-17 Andreas Birkedal , Z. Chacko , Mary K. Gaillard

Updated results on the search of Higgs bosons at the LHC with up to 17/fb of data have just been presented by the ATLAS and CMS collaborations. New constraints are provided by the LHCb and XENON experiments with the observation of the rare…

High Energy Physics - Phenomenology · Physics 2013-02-27 A. Arbey , M. Battaglia , A. Djouadi , F. Mahmoudi

We explore the parameter space of the minimal supersymmetric extension of the Standard Model (MSSM), allowing the soft supersymmetry-breaking masses of the Higgs multiplets, m_{1,2}, to be non-universal (NUHM). Compared with the constrained…

High Energy Physics - Phenomenology · Physics 2009-09-29 J. Ellis , T. Falk , K. A. Olive , Y. Santoso