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Related papers: Direct detection of neutralino dark matter and b->…

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We study a simplified scenario in the next-to-minimal supersymmetric standard model with a split electroweak spectrum, in which only the singlino and higgsinos are light and other superpartners are decoupled. Serving as a dark matter…

High Energy Physics - Phenomenology · Physics 2016-10-12 Qian-Fei Xiang , Xiao-Jun Bi , Peng-Fei Yin , Zhao-Huan Yu

Since the expected rates for neutralino-nucleus scattering are expected to be small, one should exploit all the characteristic signatures of this reaction. Such are: (i) In the standard recoil measurements the modulation of the event rate…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. D. Vergados

For the experimental search of neutralino dark matter, it is important to know its allowed mass and scattering cross section with the nucleon. In order to figure out how light a neutralino dark matter can be predicted in low energy…

High Energy Physics - Phenomenology · Physics 2011-09-12 Junjie Cao , Ken-ichi Hikasa , Wenyu Wang , Jin Min Yang

{\tenrm The possibility of detecting supersymmetric dark matter is examined within the framework of the minimal supergravity model (MSGM), where the $\tilde{Z}_{1}$ is the LSP for almost the entire parameter space. A brief discussion is…

High Energy Physics - Phenomenology · Physics 2009-09-25 R. Arnowitt , Pran Nath

The sensitivity of dark matter detectors to the lightest neutralino (${\tilde {Z}_1}$) is considered within the framework of supergravity grand unification with radiative breaking of SU(2)xU(1). The relic density of the ${\tilde {Z}_1}$ is…

High Energy Physics - Phenomenology · Physics 2009-09-25 R. Arnowitt

If dark matter self-annihilates into neutrinos or a second component of ("boosted") dark matter that is nucleophilic, the annihilation products may be detected with high rates via coherent nuclear scattering. A future multi-ten-tonne liquid…

High Energy Physics - Phenomenology · Physics 2019-05-22 David McKeen , Nirmal Raj

We know from cosmological and astrophysical observations that more than 80% of the matter density in the Universe is non-luminous, or dark. This non-baryonic dark matter could be composed of neutral, heavy particles, which were…

Astrophysics · Physics 2007-11-27 Laura Baudis

Indirect detection of dark matter particles, i.e. the detection of annihilation or decay products of Weakly Interacting Massive Particles, has entered a pivotal phase as experiments reach sensitivities that probe the most interesting…

High Energy Physics - Phenomenology · Physics 2014-11-10 Jan Conrad

We consider the prospects for the detection of relatively light dark matter through direct annihilation to neutrinos. We specifically focus on the detection possibilities of water Cherenkov and liquid scintillator neutrino detection…

High Energy Physics - Phenomenology · Physics 2010-04-30 Jason Kumar , John G. Learned , Stefanie Smith

Neutralino dark matter, and in particular different aspects of its detection at neutrino telescopes, has been studied within the Minimal Supersymmetric extension of the Standard Model, the MSSM. The relic density of neutralinos has been…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. Edsjo

We consider the Minimal Supersymmetric Standard Model (MSSM) with varying amounts of non-universality in the soft supersymmetry-breaking contributions to the Higgs scalar masses. In addition to the constrained MSSM (CMSSM) in which these…

High Energy Physics - Phenomenology · Physics 2014-11-20 Pearl Sandick

We study the direct detection of supersymmetric dark matter in the light of recent experimental results. In particular, we show that regions in the parameter space of several scenarios with a neutralino-nucleon cross section of the order of…

High Energy Physics - Phenomenology · Physics 2007-05-23 D. G. Cerdeno , S. Khalil , C. Munoz

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

A highly bino-like Dark Matter (DM), which is the Lightest Supersymmetric Particle (LSP), could be motivated by the stringent upper bounds on the DM direct detection rates. This is especially so when its mass is around or below 100 GeV for…

High Energy Physics - Phenomenology · Physics 2023-02-06 Waleed Abdallah , AseshKrishna Datta , Subhojit Roy

The expected event rates for ${\tilde Z_{1}}$ dark matter for a variety of dark matter detectors are studied over the full parameter space with tan $\beta\leq$ 20 for supergravity grand unified models. Radiative breaking constraints are…

High Energy Physics - Phenomenology · Physics 2009-09-25 R. Arnowitt , Pran Nath

We address the question of how light can be the lightest supersymmetric particle neutralino to be a reliable cold dark matter (CDM) particle candidate. To this end we have performed a combined analysis of the parameter space of the Minimal…

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

Indirect searches for the cosmological dark matter have become ever more competitive during the past years. Here, we report the first full calculation of leading electroweak corrections to the annihilation rate of supersymmetric neutralino…

High Energy Physics - Phenomenology · Physics 2014-02-20 Torsten Bringmann , Francesca Calore

A wide range of techniques have been developed to search for particle dark matter, including direct detection, indirect detection, and collider searches. The prospects for the detection of neutralino dark matter is quite promising for each…

High Energy Physics - Phenomenology · Physics 2008-11-26 Dan Hooper

We present a complete phenomenological prospectus for thermal relic neutralinos. Including Sommerfeld enhancements to relic abundance and halo annihilation calculations, we obtain direct, indirect, and collider discovery prospects for all…

High Energy Physics - Phenomenology · Physics 2016-03-30 Joseph Bramante , Nishita Desai , Patrick Fox , Adam Martin , Bryan Ostdiek , Tilman Plehn

In the minimal supersymmetric standard model (MSSM) the lightest superparticle (LSP) can be a TeV neutralino (mainly dominated by higgsino or wino) which serves as a dark matter candidate with correct thermal relic density. In this work we…

High Energy Physics - Phenomenology · Physics 2019-03-27 Murat Abdughani , Jie Ren , Jun Zhao
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