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The lightest neutralino in supersymmetric models with conserved R-parity is an attractive candidate for non-luminous matter in the universe. If relic neutralinos are indeed present as dark matter in our galaxy, they can be directly detected…

High Energy Physics - Phenomenology · Physics 2007-05-23 Michal Brhlik

Supersymmetric models based on anomaly-mediated SUSY breaking (AMSB) generally give rise to a neutral wino as a WIMP cold dark matter (CDM) candidate, whose thermal abundance is well below measured values. Here, we investigate four…

High Energy Physics - Phenomenology · Physics 2014-11-20 Howard Baer , Radovan Dermisek , Shibi Rajagopalan , Heaya Summy

To elucidate the composition of dark matter (DM) is one of the most important open questions in particle and astroparticle phenomenology. Within the framework of minimal supersymmetric extensions of the standard model of fundamental…

High Energy Physics - Phenomenology · Physics 2020-04-03 Andres D. Perez

We study the neutralino being the Lightest Supersymmetric Particle (LSP) as a cold Dark Matter (DM) candidate with a mass less than 40 GeV in the framework of the Next-to-Minimal-Supersymmetric-Standard-Model (NMSSM). We find that with the…

High Energy Physics - Phenomenology · Physics 2014-08-22 Tao Han , Zhen Liu , Shufang Su

We show how the material used in direct detection experiments of Dark Matter (DM), in the presence of a signal of it, can afford one with the possibility of extracting the nature of the underlying candidate. We do so for the case of a…

High Energy Physics - Phenomenology · Physics 2021-05-19 Yaşar Hiçyılmaz , Stefano Moretti

In this article we review the case for a light ($< m_{h_{125}}/2$) neutralino and sneutrino being a viable Dark Matter (DM) candidate in Supersymmetry(SUSY). To that end we recapitulate, very briefly, three issues related to the DM which…

High Energy Physics - Phenomenology · Physics 2020-12-30 Rahool Kumar Barman , Genevieve Belanger , Rohini M. Godbole

The direct searches for Superymmetry at colliders can be complemented by direct searches for dark matter (DM) in underground experiments, if one assumes the Lightest Supersymmetric Particle (LSP) provides the dark matter of the universe. It…

High Energy Physics - Phenomenology · Physics 2015-06-04 C. Beskidt , W. de Boer , D. I. Kazakov , F. Ratnikov

I present an overview of theoretical expectations for detection of dark matter (DM) at the LHC, concentrating entirely on supersymmetric candidates. En route, I present a unified theory which explains dark matter signals at indirect and…

High Energy Physics - Phenomenology · Physics 2010-12-02 Howard Baer

In supersymmetric models with gravity-mediated SUSY breaking and gaugino mass unification, the predicted relic abundance of neutralinos usually exceeds the strict limits imposed by the WMAP collaboration. One way to obtain the correct relic…

High Energy Physics - Phenomenology · Physics 2010-02-03 Howard Baer , Azar Mustafayev , Eun-Kyung Park , Stefano Profumo

We present brief synopses of supersymmetric models where either the neutralino composition or its mass is adjusted so that thermal relic neutralinos from the Big Bang saturate the measured abundance of cold dark matter in the universe. We…

High Energy Physics - Phenomenology · Physics 2009-01-06 Howard Baer , Azar Mustafayev , Eun-Kyung Park , Xerxes Tata

We study direct detection of dark matter in supersymmetric (SUSY) model where most of SUSY particles have very high-scale masses beyond the weak scale. In the scenario, Wino-like or Higgsino-like neutralino is a good candidate for the dark…

High Energy Physics - Phenomenology · Physics 2013-03-04 Junji Hisano , Koji Ishiwata , Natsumi Nagata

An electroweak (EW) sector of the Minimal Supersymmetric Standard Model (MSSM) with masses of a few hundred GeV can account for variety of experimental data, assuming the lightest neutralino to be the lightest supersymmetric (SUSY)…

High Energy Physics - Phenomenology · Physics 2022-01-11 Manimala Chakraborti , Sven Heinemeyer , Ipsita Saha

We study the potential of neutralino dark matter searches and SUSY particle production at colliders in the framework of the Minimal Supersymmetric Standard Model. We show the effects of a non universal gluino mass parameter. The future…

High Energy Physics - Phenomenology · Physics 2007-05-23 E. Nezri

We investigate dark matter (DM) in the context of the minimal supersymmetric extension of the standard model (MSSM). We scan through the MSSM parameter space and search for solutions that (a) are consistent with the Higgs discovery and…

High Energy Physics - Phenomenology · Physics 2013-11-12 Tao Han , Zhen Liu , Aravind Natarajan

Dark matter candidates arising in models of particle physics incorporating weak scale supersymmetry may produce detectable signals through their annihilation into neutrinos, photons, or positrons. A large number of relevant experiments are…

Astrophysics · Physics 2009-10-09 Jonathan L. Feng , Konstantin T. Matchev , Frank Wilczek

We perform a comparative study of the neutralino dark matter scattering on nucleon in three popular supersymmetric models: the minimal (MSSM), the next-to-minimal (NMSSM) and the nearly minimal (nMSSM). First, we give the predictions of the…

High Energy Physics - Phenomenology · Physics 2010-07-14 Junjie Cao , Ken-ichi Hikasa , Wenyu Wang , Jin Min Yang , Li-Xin Yu

The electroweak (EW) sector of the Minimal Supersymmetric Standard Model (MSSM) can account for variety of experimental data. The EW particles with masses of a few hundred GeV evade the LHC searches owing to their small production cross…

High Energy Physics - Phenomenology · Physics 2022-06-08 Manimala Chakraborti , Sven Heinemeyer , Ipsita Saha , Christian Schappacher

In this article, we explore the ability of direct and indirect dark matter experiments to not only detect neutralino dark matter, but to constrain and measure the parameters of supersymmetry. In particular, we explore the relationship…

High Energy Physics - Phenomenology · Physics 2014-11-18 Dan Hooper , Andrew M. Taylor

We consider supersymmetric (SUSY) models wherein the strong CP problem is solved by the Peccei-Quinn (PQ) mechanism with a concommitant axion/axino supermultiplet. We examine R-parity conserving models where the neutralino is the lightest…

High Energy Physics - Phenomenology · Physics 2015-05-27 Howard Baer , Andre Lessa , Shibi Rajagopalan , Warintorn Sreethawong

We examine updated prospects for detecting WIMPs in supersymmetric models via direct and indirect dark matter search experiments. We examine several historical and also still viable scenarios: projections for well-tempered neutralinos…

High Energy Physics - Phenomenology · Physics 2016-12-28 Howard Baer , Vernon Barger , Hasan Serce
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