English
Related papers

Related papers: Fitting the Phenomenological MSSM

200 papers

We study the minimal supersymmetric standard model (MSSM) with minimal flavor violation (MFV), imposing constraints from flavor physics observables and MSSM Higgs searches, in light of the recent discovery of a 125 GeV Higgs boson by ATLAS…

High Energy Physics - Phenomenology · Physics 2013-02-22 Wolfgang Altmannshofer , Marcela Carena , Nausheen R. Shah , Felix Yu

We examine the effect of a prior that favours low values of fine-tuning on Bayesian multi-dimensional fits of the constrained minimal supersymmetric standard model (CMSSM or mSUGRA) to current data. The dark matter relic density, the…

High Energy Physics - Phenomenology · Physics 2009-11-11 B. C. Allanach

We investigate the impact of recent limits from LHC searches for supersymmetry and from direct and indirect searches for dark matter on global Bayesian inferences of the parameter space of the Constrained Minimal Supersymmetric Standard…

High Energy Physics - Phenomenology · Physics 2013-05-30 Leszek Roszkowski , Enrico Maria Sessolo , Yue-Lin Sming Tsai

We performed a combined analysis of the parameter space of the Minimal Supersymmetric Standard Model (MSSM) taking into account cosmological and accelerator constraints including those from the radiative $b\rightarrow s\gamma$ decay…

High Energy Physics - Phenomenology · Physics 2009-10-28 V. A. Bednyakov , S. G. Kovalenko , H. V. Klapdor-Kleingrothaus , Y. Ramachers

Prospects for direct dark matter detection are considered in the Next-to-Minimal Supersymmetric Standard Model (NMSSM). The effective neutralino-quark Lagrangian is obtained and event rates are calculated for Ge-73. Accelerator and…

High Energy Physics - Phenomenology · Physics 2007-05-23 V. A. Bednyakov , H. V. Klapdor-Kleingrothaus

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

A compact approximation formula for the mass of the lightest neutral CP-even Higgs boson, m_h, in the Minimal Supersymmetric Standard Model (MSSM) is derived from the diagrammatic two-loop result for m_h up to O(alpha alpha_s). By…

High Energy Physics - Phenomenology · Physics 2009-10-31 S. Heinemeyer , W. Hollik , G. Weiglein

Previous LHC forecasts for the constrained minimal supersymmetric standard model (CMSSM), based on current astrophysical and laboratory measurements, have used priors that are flat in the parameter tan beta, while being constrained to…

High Energy Physics - Phenomenology · Physics 2009-01-06 Ben C Allanach , Kyle Cranmer , Christopher G Lester , Arne M Weber

In the Next-to-Minimal-Supersymmetric-Standard-Model (NMSSM) the lightest supersymmetric particle (LSP) is a candidate for the dark matter (DM) in the universe. It is a mixture from the various gauginos and Higgsinos and can be bino-,…

High Energy Physics - Phenomenology · Physics 2017-09-25 C. Beskidt , W. de Boer , D. I. Kazakov , S. Wayand

Weakly interacting massive particles (WIMPs) are amongst the most interesting dark matter (DM) candidates. Many DM candidates naturally arise in theories beyond the standard model (SM) of particle physics, like weak-scale supersymmetry…

Cosmology and Nongalactic Astrophysics · Physics 2015-03-17 Yashar Akrami , Christopher Savage , Pat Scott , Jan Conrad , Joakim Edsjö

We review the most important aspects of the NMSSM, discussing the impact of the NMSSM on low-energy observables, for dark matter, as well as NMSSM specific signatures at colliders. We also briefly consider constrained realisations of the…

High Energy Physics - Phenomenology · Physics 2011-06-13 Ana M. Teixeira

We study the phenomenology of the Peccei-Quinn invariant extension of the next-to-minimal supersymmetric standard model (NMSSM) in view of the recent discovery of a 125 GeV Higgs boson. The minimal model having no quadratic and cubic terms…

High Energy Physics - Phenomenology · Physics 2012-11-30 Kyu Jung Bae , Kiwoon Choi , Eung Jin Chun , Sang Hui Im , Chan Beom Park , Chang Sub Shin

The Minimal supersymmetric extension of the Standard Model (MSSM) with light stops, charginos or pseudoscalar Higgs bosons has been suggested as an explanation of the too high value of the branching ratio of the Z0 boson into b quarks (Rb…

High Energy Physics - Phenomenology · Physics 2008-11-26 W. de Boer , A. Dabelstein , W. Hollik , W. Moesle , U. Schwickerath

We review the MasterCode fits of several incarnations of the Minimal Supersymmetric Standard Model (MSSM). These include the GUT models based on mAMSB and SU(5), sub-GUT models as well as a model defined at low energies with 11 free…

High Energy Physics - Phenomenology · Physics 2018-01-17 S. Heinemeyer

The relationship between the degree of fine-tuning in Electroweak Symmetry Breaking (EWSB) and the discoverability of dark matter in current and next generation direct detection experiments is investigated in the context of two unified…

High Energy Physics - Phenomenology · Physics 2015-06-11 Pearl Sandick

We analyze the parametric space of the constrained minimal supersymmetric standard model (CMSSM) with mu>0 supplemented by a generalized asymptotic Yukawa coupling quasi-unification condition which yields acceptable masses for the fermions…

High Energy Physics - Phenomenology · Physics 2015-09-02 N. Karagiannakis , G. Lazarides , C. Pallis

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

We explore the MSSM with 9 free parameters (p9MSSM) that have been selected as a minimum set that allows an investigation of neutralino dark matter and collider signatures while maintaining consistency with several constraints. These…

High Energy Physics - Phenomenology · Physics 2013-10-04 Andrew Fowlie , Kamila Kowalska , Leszek Roszkowski , Enrico Maria Sessolo , Yue-Lin Sming Tsai

In the context of No-Scale F-SU(5), a model defined by the convergence of the F-lipped SU(5) Grand Unified Theory, two pairs of hypothetical TeV scale vector-like supersymmetric multiplets with origins in F-theory, and the dynamically…

High Energy Physics - Phenomenology · Physics 2012-02-02 Tianjun Li , James A. Maxin , Dimitri V. Nanopoulos , Joel W. Walker

Low energy supersymmetric models provide a solution to the hierarchy problem and also have the necessary ingredients to solve two of the most outstanding issues in cosmology: the origin of dark matter and baryonic matter. One of the most…

High Energy Physics - Phenomenology · Physics 2009-11-13 C. Balazs , M. Carena , A. Freitas , C. E. M. Wagner
‹ Prev 1 3 4 5 6 7 10 Next ›