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Related papers: Astrophysical limits on light NMSSM neutralinos

200 papers

We study the implications of dark matter searches, together with collider constraints, on the phenomenological MSSM with neutralino dark matter and focus on the consequences of the related uncertainties in some detail. We consider, inter…

High Energy Physics - Phenomenology · Physics 2017-11-30 A. Arbey , M. Boudaud , F. Mahmoudi , G. Robbins

The search for and identification of neutralino dark matter in supersymmetry requires a multi-pronged approach with important roles played by collider, direct and indirect dark matter detection experiments. In this report, we summarize the…

High Energy Physics - Phenomenology · Physics 2013-10-01 M. Cahill-Rowley , R. Cotta , A. Drlica-Wagner , S. Funk , J. Hewett , A. Ismail , T. Rizzo , M. Wood

We address the question how light the lightest MSSM neutralino can be as dark matter candidate in a scenario where all supersymmetric scalar particles are heavy. The hypothesis that the neutralino accounts for the observed dark matter…

High Energy Physics - Phenomenology · Physics 2015-06-23 Lorenzo Calibbi , Jonas M. Lindert , Toshihiko Ota , Yasutaka Takanishi

The viability of the lightest neutralino as a dark matter candidate in the Next-to-Minimal Supersymmetric Standard Model is analysed. We carry out a thorough analysis of the parameter space, taking into account accelerator constraints as…

High Energy Physics - Phenomenology · Physics 2010-10-27 D. G. Cerdeno , E. Gabrielli , D. E. Lopez-Fogliani , C. Munoz , A. M. Teixeira

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 present updated global fits of the constrained Minimal Supersymmetric Standard Model (cMSSM), including the most recent constraints from the ATLAS and CMS detectors at the LHC, as well as the most recent results of the XENON100…

High Energy Physics - Phenomenology · Physics 2012-01-20 G. Bertone , D. G. Cerdeno , M. Fornasa , R. Ruiz de Austri , C. Strege , R. Trotta

We investigate the capability of directional detectors to probe neutralino dark matter in the Minimal Supersymmetric Standard Model and the Next-to-Minimal Supersymmetric Standard Model with parameters defined at the weak scale. We show…

High Energy Physics - Phenomenology · Physics 2012-04-12 D. Albornoz Vásquez , G. Bélanger , J. Billard , F. Mayet

We study theoretical implications of direct dark matter searches in the minimal supersymmetric standard model (MSSM). We assume that no accidental cancellations occur in the spin-independent elastic neutralino-quark scattering cross…

High Energy Physics - Phenomenology · Physics 2015-05-28 Maxim Perelstein , Bibhushan Shakya

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

We study the viability of the lightest neutralino as a dark matter candidate in the Next-to-Minimal Supersymmetric Standard Model. Taking into account accelerator constraints as well as bounds on low-energy observables, and imposing…

High Energy Physics - Phenomenology · Physics 2008-11-26 Ana M. Teixeira

Motivated by recent claims of lines in the Fermi gamma-ray spectrum, we critically examine means of enhancing neutralino annihilation into neutral gauge bosons. The signal can be boosted while remaining consistent with continuum photon…

High Energy Physics - Phenomenology · Physics 2015-06-12 Guillaume Chalons , Matthew J. Dolan , Christopher McCabe

The electroweak sector may play a crucial role in discovering supersymmetry. We systematically investigate the patterns of the MSSM-like electroweakinos, when the neutralino relic abundance $\Omega_\chi h^2\leq 0.12$, that is, also…

High Energy Physics - Phenomenology · Physics 2016-01-20 Marcin Badziak , Antonio Delgado , Marek Olechowski , Stefan Pokorski , Kazuki Sakurai

We perform an investigation of the MSSM parameter space at the Fermi scale taking into account available accelerator, non-accelerator and cosmological constraints. Extra assumptions about upper bounds for some of the SUSY particles are also…

High Energy Physics - Phenomenology · Physics 2009-10-31 V. A. Bednyakov , H. V. Klapdor-Kleingrothaus

We explore the dark matter detection prospects in the Minimal Supersymmetric Standard Model 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…

High Energy Physics - Phenomenology · Physics 2009-08-24 Nicolas Bernal

New results which correlate SUSY dark matter with LHC signals are presented, and a brief review of recent developments in supersymmetric and hidden sector dark matter is given. It is shown that the direct detection of dark matter is very…

High Energy Physics - Phenomenology · Physics 2009-02-02 Daniel Feldman , Zuowei Liu , Pran Nath

We investigate the level of fine-tuning of neutralino Dark Matter below 200 GeV in the low-energy phenomenological minimal supersymmetric Standard Model taking into account the newest results from XENON100 and the Large Hadron Collider as…

High Energy Physics - Phenomenology · Physics 2015-06-05 Philipp Grothaus , Manfred Lindner , Yasutaka Takanishi

We explore the parameter space of the phenomenological Minimal Supersymmetric Standard Model (pMSSM) with a light neutralino thermal dark matter ($m_{\tilde{\chi}_1^0} \leq m_h/2$) that is consistent with current collider and astrophysical…

High Energy Physics - Phenomenology · Physics 2023-07-20 Rahool Kumar Barman , Geneviève Bélanger , Biplob Bhattacherjee , Rohini M. Godbole , Rhitaja Sengupta

We revisit MSSM scenarios with light neutralino as a dark matter candidate in view of the latest LHC and dark matter direct and indirect detection experiments. We show that scenarios with a very light neutralino (~ 10 GeV) and a scalar…

High Energy Physics - Phenomenology · Physics 2013-11-08 Alexandre Arbey , Marco Battaglia , Farvah Mahmoudi

We investigate the sensitivity of existing LHC searches to the charginos and neutralinos of the MSSM when all the other superpartners are decoupled. In this limit, the underlying parameter space reduces to a simple four-dimensional set…

High Energy Physics - Phenomenology · Physics 2015-06-22 Travis A. W. Martin , David Morrissey

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