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We propose two new benchmark scenarios for Higgs-boson searches in the Minimal Supersymmetric Standard Model (MSSM). These scenarios are specifically designed for the low $\tan\beta$ region. A light Higgs-boson mass prediction compatible…

High Energy Physics - Phenomenology · Physics 2019-03-28 Henning Bahl , Stefan Liebler , Tim Stefaniak

We study the parameter space of the semi-constrained NMSSM, compatible with constraints on the Standard Model like Higgs mass and signal rates, constraints from searches for squarks and gluinos, a dark matter relic density compatible with…

High Energy Physics - Phenomenology · Physics 2015-06-19 Ulrich Ellwanger , Cyril Hugonie

The LEP era has brought immense progress in searches for Higgs bosons over the last 12 years which will guide searches at future colliders. The evolution of the Higgs boson mass limits are reviewed with the focus on results from general…

High Energy Physics - Phenomenology · Physics 2015-06-25 Andre Sopczak

We perform a global Bayesian fit of the phenomenological minimal supersymmetric standard model (pMSSM) to current indirect collider and dark matter data. The pMSSM contains the most relevant 25 weak-scale MSSM parameters, which are…

High Energy Physics - Phenomenology · Physics 2010-05-28 S. S. AbdusSalam , B. C. Allanach , F. Quevedo , F. Feroz , M. Hobson

We present a generalization of the Next-to-Minimal Supersymmetric Standard Model (NMSSM), with an explicit mu-term and a supersymmetric mass for the singlet superfield, as a route to alleviating the little hierarchy problem of the Minimal…

High Energy Physics - Phenomenology · Physics 2014-11-21 Antonio Delgado , Christopher Kolda , J. Pocahontas Olson , Alejandro de la Puente

We update a previously-proposed set of supersymmetric benchmark scenarios, taking into account the precise constraints on the cold dark matter density obtained by combining WMAP and other cosmological data, as well as the LEP and b -> s…

High Energy Physics - Phenomenology · Physics 2009-09-11 M. Battaglia , A. De Roeck , J. Ellis , F. Gianotti , K. A. Olive , L. Pape

We consider scenarios in the next-to-minimal supersymmetric model (NMSSM) where the CP-odd and charged Higgs bosons are very light. As we demonstrate, these can be obtained as simple deformations of existing phenomenological MSSM benchmarks…

High Energy Physics - Phenomenology · Physics 2015-03-17 F. Mahmoudi , J. Rathsman , O. Stål , L. Zeune

The recent LHC indications of a SM-like Higgs boson near 125 GeV are consistent not only with the Standard Model (SM) but also with Supersymmetry (SUSY). However naturalness arguments disfavour the Minimal Supersymmetric Standard Model…

High Energy Physics - Phenomenology · Physics 2015-06-03 S. F. King , M. Muhlleitner , R. Nevzorov

We summarize the status of various supersymmetric models in view of the existing LHC data. A particular focus is on the implications of the measured Higgs mass on these models which gives important constraints. We consider here minimal and…

High Energy Physics - Phenomenology · Physics 2017-05-23 Werner Porod

We consider next-to-minimal supersymmetric standard model (NMSSM) which has a gauge singlet superfield. In the scale invariant superpotential we do not have the mass terms and the whole Lagrangian has an additional $Z_3$ symmetry. This…

High Energy Physics - Phenomenology · Physics 2016-07-12 Priyotosh Bandyopadhyay , Katri Huitu , Saurabh Niyogi

We explore the parameter space of a Constrained Next-to-Minimal Supersymmetric Standard Model with GUT scale boundary conditions (CNMSSM) and find regions where the relic density of the lightest neutralino is compatible with the WMAP…

High Energy Physics - Phenomenology · Physics 2014-11-18 C. Hugonie , G. Belanger , A. Pukhov

The next-to-minimal supersymmetric standard model (NMSSM) naturally provides a 125 GeV Higgs boson without the need for large loop corrections from multi-TeV stop quarks. Furthermore, the NMSSM provides an electroweak scale dark matter…

High Energy Physics - Phenomenology · Physics 2019-09-18 C. Beskidt , W. de Boer

We explore the coannihilation region of the constrained minimal supersymmetric standard model (CMSSM) being consistent with current experimental/observational results. The requirements from the experimental/observational results are the…

High Energy Physics - Phenomenology · Physics 2013-09-10 Yasufumi Konishi , Shingo Ohta , Joe Sato , Takashi Shimomura , Kenichi Sugai , Masato Yamanaka

In the Minimal Supersymmetric Standard Model (MSSM) the mass of the lightest neutral Higgs boson is determined by the supersymmetric parameters. In the $m_h$MSSM the precisely measured Higgs boson replaces the trilinear coupling $A_t$ as…

High Energy Physics - Phenomenology · Physics 2022-08-02 Rima El-Kosseifi , Jean-Loic Kneur , Gilbert Moultaka , Dirk Zerwas

We review the basic field-theoretic and phenomenological features of the recently introduced Minimal Nonminimal Supersymmetric Standard Model (MNSSM). The introduced model is the simplest and most economic version among the proposed…

High Energy Physics - Phenomenology · Physics 2007-05-23 C. Panagiotakopoulos , A. Pilaftsis

Benchmarks for beyond the Standard Model (BSM) searches are mostly constructed around particular features of interest related to the experiment under consideration without giving due address to the results from other experiments. In this…

High Energy Physics - Phenomenology · Physics 2024-12-04 S. AbdusSalam , S. S. Barzani , M. Mohammadidoust , S. A. Ojaghi , L. Velasco-Sevilla

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

The problems of the standard model are briefly reviewed and the motivations for introducing supersymmetry are discussed. Two realistic supersymmetric models; the Minimal SuperSymmetric Model, MSSM, and its proposed extension NMSSM are…

High Energy Physics - Phenomenology · Physics 2011-06-17 Jacob Winding

We study a limit of the nearly-Peccei-Quinn-symmetric Next-to-Minimal Supersymmetric Standard Model possessing novel Higgs and dark matter (DM) properties. In this scenario, there naturally co-exist three light singlet-like particles: a…

High Energy Physics - Phenomenology · Physics 2011-11-14 Patrick Draper , Tao Liu , Carlos E. M. Wagner , Lian-Tao Wang , Hao Zhang

A generalization of the Next-to-Minimal Supersymmetric Model (NMSSM) is studied in which an explicit \mu-term as well as a small supersymmetric mass term for the singlet superfield are incorporated. We study the possibility of raising the…

High Energy Physics - Phenomenology · Physics 2015-06-03 Antonio Delgado , Christopher Kolda , Alejandro de la Puente