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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

Recently, WMAP has measured the cosmological parameters to a much greater accuracy. We analyze the implications of this more precise measurement for supersymmetric dark matter and for the direct detection of supersymmetry at accelerators.…

High Energy Physics - Phenomenology · Physics 2008-11-26 Utpal Chattopadhyay , Achille Corsetti , Pran Nath

We evaluate neutralino-nucleon scattering rates in several well-motivated supersymmetric models, and compare against constraints on the neutralino relic density, BF( b\to s\gamma ) as well as the muon anomalous magnetic moment a_\mu . In…

High Energy Physics - Phenomenology · Physics 2009-09-29 Howard Baer , Csaba Balazs , Alexander Belyaev , Jorge O'Farrill

We present a focused study of a predictive unified model whose measurable consequences are immediately relevant to early discovery prospects of supersymmetry at the LHC. ATLAS and CMS have released their analysis with 35~pb$^{-1}$ of data…

High Energy Physics - Phenomenology · Physics 2011-07-28 Daniel Feldman , Katherine Freese , Pran Nath , Brent D. Nelson , Gregory Peim

We explore the potential of neutralino dark matter within the framework of gauge-mediated supersymmetry (SUSY) breaking. In our models, the lightest neutralino, as the lightest SUSY particle (LSP), is a viable dark matter candidate,…

High Energy Physics - Phenomenology · Physics 2025-02-12 Michihisa Takeuchi , Norimi Yokozaki , Junhao Zhu

Within the minimal supergravity model (mSUGRA) framework, the expectation for the relic density of neutralinos exceeds the WMAP determination unless neutralinos a) have a significant higgsino component, b) have a mass close to half that of…

High Energy Physics - Phenomenology · Physics 2009-11-10 Howard Baer , Azar Mustafayev , Stefano Profumo , Alexander Belyaev , Xerxes Tata

A brief review is given of recent developments related to the Higgs signal and its implications for supersymmetry in the supergravity grand unification framework. The Higgs data indicates that the allowed parameter space largely lies on…

High Energy Physics - Phenomenology · Physics 2012-08-02 Pran Nath

We analyse the direct detection of neutralino dark matter in the framework of the Next-to-Minimal Supersymmetric Standard Model. After performing a detailed analysis of the parameter space, taking into account all the available constraints…

High Energy Physics - Phenomenology · Physics 2008-11-26 D. G. Cerdeno , C. Hugonie , D. E. Lopez-Fogliani , C. Munoz , A. M. Teixeira

We have analyzed the prospect of probing a non-universal gaugino mass model of mixed bino-higgsino dark matter at the current 7 TeV run of LHC. It provides cosmologically compatible dark matter relic density over two broad bands of…

High Energy Physics - Phenomenology · Physics 2015-03-13 Monoranjan Guchait , D. P. Roy , Dipan Sengupta

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

I summarize some recent work on supersymmetric neutralinos as candidates for cold Dark Matter in the Universe. This includes a new scan of mSUGRA parameter space, with special emphasis on neutralinos annihilating predominantly through…

High Energy Physics - Phenomenology · Physics 2009-11-11 Manuel Drees

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 explore the dark matter and LHC implications of t-b-tau quasi Yukawa unification in the framework of supersymmetric models based on the gauge symmetry G=SU(4)_{c}\times SU(2)_{L}\times SU(2)_{R}. The deviation from exact Yukawa…

High Energy Physics - Phenomenology · Physics 2015-12-09 Qaisar Shafi , Sukru Hanif Tanyildizi , Cem Salih Un

One of the most well-founded candidates for dark matter remains a split-SUSY model with a Higgsino-like or Wino-like lightest superpartner and the grander SUSY model providing answers for the hierarchy problem and GUT scale unification.The…

High Energy Physics - Phenomenology · Physics 2023-11-28 Carsten Rott , Pearl Sandick , Ben Sheff

We examine the recently observed deviation of the muon g - 2 from the Standard Model prediction within the framework of gravity mediated SUGRA models with R parity invariance. Universal soft breaking (mSUGRA) models, and models with…

High Energy Physics - Phenomenology · Physics 2008-11-26 R. Arnowitt , B. Dutta , B. Hu , Y. Santoso

Dark matter detection rates for supergravity models with R parity where supersymmetry is broken at a scale >~M_G are discussed. Non-universal soft breaking masses in both the Higgs and squark sectors are considered, and it is seen that…

High Energy Physics - Phenomenology · Physics 2008-11-26 R. Arnowitt , Pran Nath

The purpose of this study is to determine the experimental uncertainties in measuring mass and cross section parameters of SUSY particles at a 500 GeV Linear Collider. In this study SUSY is a point in the focus point region of mSUGRA…

High Energy Physics - Experiment · Physics 2009-10-09 R. Gray , J. Alexander , K. M. Ecklund , L. Fields , D. Hertz , C. D. Jones , J. Pivarski , A. Birkedal , K. Matchev

We observe that in SUSY models with non-universal GUT scale gaugino mass parameters, raising the GUT scale SU(2) gaugino mass |M_2| from its unified value results in a smaller value of -m_{H_u}^2 at the weak scale. By the electroweak…

High Energy Physics - Phenomenology · Physics 2008-11-26 Howard Baer , Azar Mustafayev , Heaya Summy , Xerxes Tata

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

A comparison is made between accelerator and direct detection constraints in constrained versions of the minimal supersymmetric standard model. Models considered are based on mSUGRA, where scalar and gaugino masses are unified at the GUT…

High Energy Physics - Phenomenology · Physics 2009-09-15 Keith A. Olive