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We perform a comprehensive analysis of the Minimal Supersymmetric Standard Model (MSSM) in the scenario where the scalar partners of the fermions and the Higgs particles (except for the Standard-Model-like one) are assumed to be very heavy…

High Energy Physics - Phenomenology · Physics 2011-12-09 Nicolas Bernal , Abdelhak Djouadi , Pietro Slavich

We propose six new benchmark scenarios for Higgs boson searches in the Minimal Supersymmetric Standard Model. Our calculations follow the recommendations of the LHC Higgs Cross Section Working Group, and benefit from recent developments in…

Models of Beyond the Standard Model (BSM) physics, like the Minimal Supersymmetric Standard Model (MSSM), often involve an extended Higgs sector, giving rise to extra neutral or charged Higgs bosons. The discovery reach expected from…

High Energy Physics - Experiment · Physics 2019-08-15 Steven Lowette

We examine various direct and indirect experimental constraints on the nearly minimal supersymmetric standard model (nMSSM) and obtain the following observations: (i) Current experiments stringently constrain the parameter space, setting a…

High Energy Physics - Phenomenology · Physics 2009-05-29 Junjie Cao , Heather E. Logan , Jin Min Yang

There could be another scalar in nature quasi-degenerate with the observed one (h125). This is possible in models such as the Next-to-Minimal Supersymmetric Standard Model (NMSSM). The scenario(s) with a single Higgs boson can be compared…

High Energy Physics - Phenomenology · Physics 2019-05-23 Shehu AbdusSalam

The status of the Higgs boson mass in the Standard Model and its supersymmetric extensions is reviewed and the perspectives of Higgs searches are discussed. The parameter space of the Minimal Supersymmetric Standard Model (MSSM) is analysed…

High Energy Physics - Phenomenology · Physics 2009-11-19 D. I. Kazakov

Experimental collaborations for the large hadron collider conducted many and various searches for supersymmetry. In the absence of signals, lower limits were put on sparticle masses but usually within frameworks with (over-) simplifications…

High Energy Physics - Phenomenology · Physics 2021-09-09 Shehu AbdusSalam , Safura Sadeghi Barzani , Mohammadreza Noormandipour

The Standard Model (SM) of particle physics, comprised of the unified electro-weak (EW) and Quantum Chromodynamic (QCD) theories, accurately explains almost all experimental results related to the micro-world, and has made a number of…

High Energy Physics - Phenomenology · Physics 2021-03-01 Shenjian Chen , Stephen Lars Olsen

We study the impact of the measurements of three sets of observables on the parameter space of the constrained minimal supersymmetric Standard Model (cMSSM), its slightly general variant, the non-universal scalar model (NUSM), and some…

High Energy Physics - Phenomenology · Physics 2015-06-16 Gautam Bhattacharyya , Anirban Kundu , Tirtha Sankar Ray

Extensions of the Standard Model (SM) of Particle Physics can be probed either through precision measurements of SM observables or via direct searches for processes beyond the SM (BSM). This proceeding focuses on precision measurements in…

High Energy Physics - Experiment · Physics 2026-05-12 Felicia Volle

We explore the detection possibility of light pseudoscalar Higgs boson in the next-to-minimal supersymmetric Standard Model(NMSSM) at the LHC with the center of mass energy, $\sqrt{S}=13$ TeV. We focus on the parameter space which provides…

High Energy Physics - Phenomenology · Physics 2017-03-08 Monoranjan Guchait , Jacky Kumar

We present the results and prospects for searches beyond the Standard Model (SM) at the LHC by the ATLAS and CMS collaborations. The minimal supersymmetric extension of the SM has been investigated in various configurations and lower limits…

High Energy Physics - Experiment · Physics 2019-08-13 Daniel Teyssier

The searches for heavy Higgs bosons and supersymmetric (SUSY) particles at the LHC have left the minimal supersymmetric standard model (MSSM) with an unusual spectrum of SUSY particles, namely, all squarks are beyond a few TeV while the…

High Energy Physics - Phenomenology · Physics 2015-05-20 Kingman Cheung , Ran Huo , Jae Sik Lee , Yue-Lin Sming Tsai

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

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

The latest results of Higgs boson searches beyond the Standard Model from the ATLAS and CMS experiments are reviewed. This includes searches for additional neutral, charged, and double charged Higgs-like bosons, searches for dark matter…

High Energy Physics - Experiment · Physics 2024-09-24 André Sopczak

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

Searches for Higgs bosons in different extensions of the Standard Model (SM) are presented. These include the Minimal Supersymmetric extension of the SM (MSSM), the next-to-MSSM (NMSSM), models with additional scalar singlets, doublets, or…

High Energy Physics - Experiment · Physics 2019-08-14 Martin Flechl

Very recently, the CDF Collaboration reported the first non-zero measurement of the $B_s \rightarrow \mu^+ \mu^-$ branching fraction. The central value of this measurement is more than 5 times of that predicted in the Standard Model and, if…

High Energy Physics - Phenomenology · Physics 2013-05-30 Dan Hooper , Chris Kelso

Neutralino dark matter is generally assumed to be relatively heavy, with a mass near the electroweak scale. This does not necessarily need to be the case, however. In the Next-to-Minimal Supersymmetric Standard Model (NMSSM) and other…

High Energy Physics - Phenomenology · Physics 2008-11-26 John F. Gunion , Dan Hooper , Bob McElrath
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