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Related papers: Dark matter searches and Colliders

200 papers

We present a new formalism describing the neutralino physics in the context of the minimal supersymmetric model (MSSM), where CP violation induced by complex $M_1$ and $\mu$ parameters is allowed. The formalism is based on the construction…

High Energy Physics - Phenomenology · Physics 2016-08-16 G. J. Gounaris , C. Le Mouël

We discuss the prospects for detecting supersymmetric particles in variants of the minimal supersymmetric extension of the Standard Model (MSSM), in light of laboratory and cosmological constraints. We first assume that the lightest…

High Energy Physics - Phenomenology · Physics 2009-09-11 John Ellis , Keith A. Olive , Yudi Santoso , Vassilis C. Spanos

The ATLAS and CMS collaborations have reported an excess of events in the \gamma\gamma, ZZ^*\to 4\ell and WW^* search channels at an invariant mass m \simeq 125 GeV, which could be the first evidence for the long-awaited Higgs boson. We…

High Energy Physics - Phenomenology · Physics 2013-05-30 Howard Baer , Vernon Barger , Azar Mustafayev

The continuously improving sensitivity of dark matter direct detection experiments has limited the interaction between dark matter and nucleons being increasingly feeble, while the dark matter relic density favors it to take part in weak…

High Energy Physics - Phenomenology · Physics 2020-04-08 Junjie Cao , Lei Meng , Yuanfang Yue , Haijing Zhou , Pengxuan Zhu

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 compute the neutralino-nucleon cross section in several supersymmetric scenarios, taking into account all kind of experimental and astrophysical constraints. In addition, the constraints that the absence of dangerous charge and colour…

High Energy Physics - Phenomenology · Physics 2007-05-23 C. Munoz

Using a simplified model framework, we assess observational limits and discovery prospects for neutralino dark matter, taken here to be a general admixture of bino, wino, and Higgsino. Experimental constraints can be weakened or even…

High Energy Physics - Phenomenology · Physics 2015-06-12 Clifford Cheung , Lawrence J. Hall , David Pinner , Joshua T. Ruderman

We consider the prospects of supersymmetric dark matter in light of the recent results announced by the CDMS experiments. In this paper, we investigate the status of: (i) neutralino dark matter in models of minimal supergravity, (ii)…

High Energy Physics - Phenomenology · Physics 2010-04-30 Rouzbeh Allahverdi , Bhaskar Dutta , Yudi Santoso

We examine the current state of neutralino dark matter and consider how the LEP constraints on the Minimal Supersymmetric Standard Model parameters are squeezing the available dark matter regions. We also show how cosmological constraints…

High Energy Physics - Phenomenology · Physics 2007-05-23 Toby Falk

The lightest neutralino in supersymmetry is the most studied dark matter candidate. This writeup reviews the status of neutralino dark matter in minimal and nonminimal supersymmetric models in light of recent null results at the XENON100…

High Energy Physics - Phenomenology · Physics 2015-06-18 Bibhushan Shakya

With the rapid progress of dark matter direct detection experiments, the attractiveness of the popular bino-dominated dark matter in economical supersymmetric theories is fading. As an alternative, the singlino-dominated dark matter in…

High Energy Physics - Phenomenology · Physics 2023-04-19 Junjie Cao , Xinglong Jia , Lei Meng , Yuanfang Yue , Di Zhang

This paper provides an overview of supersymmetry (SUSY) and the ongoing efforts to detect SUSY particles at the Large Hadron Collider (LHC). SUSY proposes corresponding "sparticles" for each Standard Model particle, with the potential to…

High Energy Physics - Experiment · Physics 2024-04-29 Sophie Kadan

We perform a detailed analysis of dark matter signals of supersymmetric models containing an extra $U(1)^\prime$ gauge group. We investigate scenarios in which either the right sneutrino or the lightest neutralino are phenomenologically…

High Energy Physics - Phenomenology · Physics 2017-07-26 Jack Y. Araz , Mariana Frank , Benjamin Fuks

We review the phenomenology of SUSY dark matter in various versions of MSSM, with universal and nonuniversal gaugino masses at the GUT scale. We start with the universal case (CMSSM), where the cosmologically compatible dark matter relic…

High Energy Physics - Phenomenology · Physics 2017-05-24 D. P. Roy

Supersymmetry may be discovered at high energy colliders, through low energy precision measurements, and by dark matter searches. We present a comprehensive analysis of all available probes in minimal supergravity. This work extends…

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

Supersymmetric models with Dirac instead of Majorana gaugino masses have distinct phenomenological consequences. In this paper, we investigate the electroweakino sector of the Minimal Dirac Gaugino Supersymmetric Standard Model (MDGSSM)…

High Energy Physics - Phenomenology · Physics 2020-10-14 Mark D. Goodsell , Sabine Kraml , Humberto Reyes-González , Sophie L. Williamson

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

Using the neutral gauginos of SU(2)L* U(1)Y and hybridization ideas below the GUT scale, we approach the Dark Matter particle within the Minimal Supersymmetric Standard Model. In the energy range MGUT-MZ where supergravity effects can be…

High Energy Physics - Phenomenology · Physics 2014-06-12 S-E. Ennadifi , E. H. Saidi

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 study the neutralino relic density in the minimal supersymmetric standard model with natural light Higgs sector in which all Higgs masses, the supersymmetry (SUSY) breaking parameters, and the higgsino mass parameter mu are of order the…

High Energy Physics - Phenomenology · Physics 2009-02-19 S. -G. Kim , N. Maekawa , K. I. Nagao , K. Sakurai , T. Yoshikawa