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We study the phenomenology of neutralino dark matter within generic supersymmetric scenarios where the Gaugino and Higgsino masses are much lighter than the scalar soft breaking masses (Split Supersymmetry). We consider a low-energy…

High Energy Physics - Phenomenology · Physics 2007-05-23 Antonio Masiero , Stefano Profumo , Piero Ullio

We study the direct detection rate for SUSY cold dark matter (CDM) predicted by the minimal supersymmetric standard model with universal boundary conditions and large values for tan(beta). The relic abundance of the lightest supersymmetric…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. E. Gomez , J. D. Vergados

In this review article, we discuss the current status of particle dark matter, including experimental evidence and theoretical motivations. We discuss a wide array of candidates for particle dark matter, but focus on neutralinos in models…

High Energy Physics - Phenomenology · Physics 2008-11-26 Gianfranco Bertone , Dan Hooper , Joseph Silk

Weak scale supersymmetry is a highly motivated extension of the Standard Model that has a strong degree of support from data. It provides several viable dark matter candidates: the lightest neutralino (a WIMP), the gravitino, and the…

High Energy Physics - Phenomenology · Physics 2009-12-07 Howard Baer

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 performed a combined analysis of the parameter space of the Minimal Supersymmetric Standard Model (MSSM) taking into account cosmological and accelerator constraints including those from the radiative $b\rightarrow s\gamma$ decay…

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

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

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 consider here the constraints in SUGRA models on the SUSY parameter space due to current experimental bounds on the light Higgs mass m_h, the b-> s gamma decay, the amount of neutralino cold dark matter Omega h^2, and the muon magnetic…

High Energy Physics - Phenomenology · Physics 2007-05-23 R. Arnowitt , B. Dutta

The allowed parameter space for the lightest neutralino as the dark matter is explored using the Minimal Supersymmetric Standard Model as the low-energy effective theory without further theoretical constraints such as GUT. Selecting values…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Gabutti , M. Olechowski , S. Cooper , S. Pokorski , L. Stodolski

Natural SUSY scenarios with a low value of the $\mu$ parameter, are characterised by a higgsino-like dark matter candidate, and a compressed spectrum for the lightest higgsinos. We explore the prospects for probing this scenario at the 13…

High Energy Physics - Phenomenology · Physics 2015-10-20 D. Barducci , A. Belyaev , A. Bharucha , W. Porod , V. Sanz

The baryonic and cold dark matter are reviewed in the context of cosmological models. The theoretical search for the particle candidates is limited by supersymmetric extension of the Standard Model. Generically in such models there are just…

Astrophysics · Physics 2007-05-23 V. Berezinsky

We show that direct dark matter detection experiments can distinguish between pointlike and non-pointlike dark-matter candidates. The shape of the nuclear recoil energy spectrum from pointlike dark-matter particles, e.g., neutralinos, is…

High Energy Physics - Phenomenology · Physics 2009-11-07 Graciela Gelmini , Alexander Kusenko , Shmuel Nussinov

The requirement of electroweak naturalness in supersymmetric (SUSY) models of particle physics necessitates light higgsinos not too far from the weak scale characterized by m(weak)~ m(W,Z,h)~100 GeV. On the other hand, LHC Higgs mass…

High Energy Physics - Phenomenology · Physics 2018-11-14 Howard Baer , Vernon Barger , Dibyashree Sengupta , Xerxes Tata

The extra particles provided by Supersymmetry (SUSY) appear as natural candidates for exotica such as the missing Dark Matter of the Universe. The particle candidates for Dark Matter, and the basic elements of the minimal supersymmetric…

High Energy Physics - Phenomenology · Physics 2007-05-23 Pavel Fileviez Perez

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

The recent confirmation by the Fermilab-based Muon g-2 experiment of the $(g-2)_\mu$ anomaly has important implications for allowed particle spectra in softly broken supersymmetry (SUSY) models with neutralino dark matter (DM). Generally,…

High Energy Physics - Phenomenology · Physics 2021-06-21 Manimala Chakraborti , Leszek Roszkowski , Sebastian Trojanowski

Neutralinos are the natural well-motivated candidates to provide the non-baryonic dark matter of the universe which may produce detectable signals through their annihilation into neutrinos, photons or positrons. Due to its high flux…

Astrophysics · Physics 2016-08-30 J. Flix , M. Martinez , F. Prada

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

The question of the nature of the dark matter in the Universe remains one of the most outstanding unsolved problems in basic science. One of the best motivated particle physics candidates is the lightest supersymmetric particle, assumed to…

Astrophysics · Physics 2016-08-30 P. Gondolo , J. Edsjo , P. Ullio , L. Bergstrom , M. Schelke , E. A. Baltz