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The minimal supersymmetric standard model, and extensions, predicts a relatively light higgs particle if one supposes perturbativity until high scales. That fact is in conflict with nowadays data coming from LEPII fruitless searches for the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Antonio Delgado

The ``Snowmass Points and Slopes'' (SPS) are a set of benchmark points and parameter lines in the MSSM parameter space corresponding to different scenarios in the search for Supersymmetry at present and future experiments. This set of…

Recent results from ATLAS gives a Higgs mass of 125.5 GeV, further constrain already highly constrained supersymmetric models such as pMSSM or CMSSM/mSUGRA. Finding potentially discoverable and non-excluded regions of model parameter space…

High Energy Physics - Phenomenology · Physics 2013-09-05 Thomas Burgess , Jan Øye Lindroos , Anna Lipniacka , Heidi Sandaker

The Standard Model of particle physics has been strengthened by the recent discovery of the long-awaited Higgs boson. The standard cosmological model has met the challenge of the high precision observations in cosmology and astroparticle…

High Energy Physics - Phenomenology · Physics 2013-12-03 Jonathan Da Silva

We present bounds on the Higgs mass in the Standard Model and in the Minimal Supersymmetric Standard Model using the effective potential with next-to-leading logarithms resummed by the renormalization group equations, and physical (pole)…

High Energy Physics - Phenomenology · Physics 2007-05-23 Mariano Quirós

We examine the parameter space of the purely phenomenological minimal super- symmetric standard model (MSSM), without assuming any supersymmetry breaking scheme. We find that a large region of the parameter space can indeed yield the…

High Energy Physics - Phenomenology · Physics 2012-02-29 Nishita Desai , Biswarup Mukhopadhyaya , Saurabh Niyogi

Run 1 of the LHC has provided three new motivations for supersymmetry: the need to stabilize the electroweak vacuum, the mass of the Higgs boson, and the fact that its couplings are Standard Model-like (so far). The prospects for…

High Energy Physics - Phenomenology · Physics 2015-10-22 John Ellis

Preliminary results of the search for a Standard Model like Higgs boson at the LHC with 5 fb-1 data have just been presented by the ATLAS and CMS collaborations and an excess of events at a mass of ~125 GeV has been reported. If this excess…

High Energy Physics - Phenomenology · Physics 2012-01-26 A. Arbey , M. Battaglia , A. Djouadi , F. Mahmoudi , J. Quevillon

Without assuming that Higgs masses have the same values as other scalar masses at the input GUT scale, we combine constraints on the minimal supersymmetric extension of the Standard Model (MSSM) coming from the cold dark matter density with…

High Energy Physics - Phenomenology · Physics 2008-11-26 John Ellis , Keith A. Olive , Yudi Santoso

In the Minimal Supersymmetric Standard Model (MSSM), a Higgs boson mass of 125 GeV can be obtained with moderately heavy scalar top superpartners provided they are highly mixed. The source of this mixing, a soft trilinear stop-stop-Higgs…

High Energy Physics - Phenomenology · Physics 2014-03-25 Nikita Blinov , David E. Morrissey

An introduction to the minimal supersymmetric standard model is presented. We emphasize phenomenological motivations for this model, along with examples of experimental tests. Particular attention is paid to the Higgs sector of the theory.

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Dawson

The observed excesses in the search for neutralinos and charginos by ATLAS and CMS can be fitted simultaneously in the minimal supersymmetric standard model (MSSM) assuming a light higgsino mass, of magnitude less than about 250 GeV, and a…

High Energy Physics - Phenomenology · Physics 2024-05-01 Ulrich Ellwanger , Cyril Hugonie , Stephen F. King , Stefano Moretti

Latest results from the LEP Collaboration on searches for neutral Higgs bosons predicted by the Standard Model and its minimal supersymmetric extension, the MSSM, are summarized.

High Energy Physics - Experiment · Physics 2007-05-23 Gabriella Pasztor

We perform a comprehensive global analysis in the Minimal Supersymmetric Standard Model (MSSM) as well as in the 2-Higgs Doublet Model (2HDM) of the production and decay mechanisms of charged Higgs bosons $(H^\pm)$ at the Large Hadron…

High Energy Physics - Phenomenology · Physics 2020-03-20 Abdesslam Arhrib , Rachid Benbrik , Hicham Harouiz , Stefano Moretti , Abdessamad Rouchad

Supersymmetry is a prime candidate for physics beyond the Standard Model because low-energy supersymmetry stabilizes the Higgs mass avoiding fine-tuning and leads to natural electroweak symmetry breaking. However, searches at the Large…

High Energy Physics - Phenomenology · Physics 2015-11-16 Kohsaku Tobioka

The search for heavy Higgs bosons is an important step to probe the parameter space of the Minimal Supersymmetric Standard Model. In this work, we classify all possible decay modes of the supersymmetric heavy Higgs boson using the SModelS…

High Energy Physics - Phenomenology · Physics 2017-11-02 Suchita Kulkarni , Lukas Lechner

The Next-to-Minimal Supersymmetric Standard Model (NMSSM) contains a singlet-like pseudoscalar Higgs boson in addition to the doublet-like pseudoscalar of the Minimal Supersymmetric Standard Model. This new pseudoscalar can have a very low…

High Energy Physics - Phenomenology · Physics 2015-02-18 Nils-Erik Bomark , Stefano Moretti , Shoaib Munir , Leszek Roszkowski

In this note we briefly review our recent studies on a 125 GeV Higgs and its di-photon signal rate in different low energy supersymmetric models, namely the minimal supersymmetric standard model (MSSM), the next-to-minimal supersymmetric…

High Energy Physics - Phenomenology · Physics 2013-10-10 Zhaoxia Heng

The masses of the neutral CP-even Higgs bosons in the Minimal Supersymmetric Standard Model (MSSM) are predicted on the basis of explicit Feynman-diagrammatic calculations. The results, containing the complete diagrammatic one-loop…

High Energy Physics - Phenomenology · Physics 2011-03-02 S. Heinemeyer , W. Hollik , G. Weiglein

We explore dark matter in the Finely Tuned Minimal Supersymmetric Standard model recently proposed by Arkani-Hamed and Dimopoulos. Relative to the MSSM, there are fewer particles at freeze-out, so the calculation of the relic abundance…

High Energy Physics - Phenomenology · Physics 2008-11-26 Aaron Pierce