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Related papers: Neutralino Proton Cross Sections In Supergravity M…

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We consider the neutralino proton cross section for detection of Milky Way dark matter for a number of supergravity models with gauge unification at the GUT scale: models with universal soft breaking (mSUGRA), models with nonuniversal soft…

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

Neutralino proton cross sections are examined for models with R-parity invariance with universal soft breaking (mSUGRA) models, nonuniversal SUGRA models, and D-brane models. The region of parameter space where current dark matter detectors…

High Energy Physics - Phenomenology · Physics 2016-09-06 R. Arnowitt , B. Dutta , Y. Santoso

We consider neutralino-proton cross sections for halo dark matter neutralinos within the framework of supergravity models with R-parity invariance for models with universal soft breaking (mSUGRA) and models with nonuniversal soft breaking.…

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

The range of neutralino-proton cross sections for R-parity preserving supergravity models with GUT scale unification of the gauge coupling constants is examined. The models considered here are mSUGRA, models with non universal soft breaking…

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

Direct detection experiments for neutralino dark matter in the Milky Way are examined within the framework of SUGRA models with R-parity invariance and grand unification at the GUT scale, M_G. Models of this type apply to a large number of…

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

We calculate the spin independent neutralino-proton cross section for universal SUGRA, non universal SUGRA and D-brane models with R-parity invariance. The regions of maximum cross section in these models has started to be probed by the…

High Energy Physics - Phenomenology · Physics 2009-10-31 R. Arnowitt , B. Dutta , Y. Santoso

We compute the neutralino-nucleon cross section in several supersymmetric scenarios, taking into account all kind of constraints. In particular, the constraints that the absence of dangerous charge and colour breaking minima imposes on the…

High Energy Physics - Phenomenology · Physics 2014-11-17 D. G. Cerdeno , E. Gabrielli , M. E. Gomez , C. Munoz

We analyse the direct detection of neutralino dark matter in supergravity scenarios with non-universal soft scalar and gaugino masses. In particular, the neutralino-nucleon cross section is computed and compared with the sensitivity of…

High Energy Physics - Phenomenology · Physics 2008-11-26 D. G. Cerdeno , C. Munoz

The neutralino-nucleon cross section in the context of the MSSM with universal soft supersymmetry-breaking terms is compared with the limits from dark matter detectors. Our analysis is focussed on the stability of the corresponding cross…

High Energy Physics - Phenomenology · Physics 2009-10-31 E. Gabrielli , S. Khalil , C. Munoz , E. Torrente-Lujan

The direct detection of neutralino dark matter is analysed in general supergravity scenarios, where non-universal soft scalar and gaugino masses can be present. In particular, the theoretical predictions for the neutralino-nucleon cross…

High Energy Physics - Phenomenology · Physics 2009-11-11 S. Baek , D. G. Cerdeno , Y. G. Kim , P. Ko , C. Munoz

In the light of recent experimental results for the direct detection of dark matter, we analyze in the framework of SUGRA the value of the neutralino-nucleon cross section. We study how this value is modified when the usual assumptions of…

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

We consider here the spin independent neutralino-proton cross section for a variety of SUGRA and D-brane models with R-parity invariance. The minimum cross section generally is >~ 1\times 10^{-(9-10)} pb (and hence accessible to future…

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

We review 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 supergravity scenarios with a neutralino-nucleon cross section…

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

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

We study models in which supersymmetry breaking appears at an intermediate scale, M_{in}, below the GUT scale. We assume that the soft supersymmetry-breaking parameters of the MSSM are universal at M_{in}, and analyze the morphology of the…

High Energy Physics - Phenomenology · Physics 2009-11-13 John Ellis , Keith A. Olive , Pearl Sandick

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

An analysis is given connecting event rates for the direct detection of neutralino dark matter with the possible signatures of supersymmetry at the LHC. It is shown that if an effect is seen in the direct detection experiments at a level of…

High Energy Physics - Phenomenology · Physics 2014-11-20 Daniel Feldman , Zuowei Liu , Pran Nath

In SUGRA inspired supersymmetric models with universal boundary conditions for the soft masses, the scalar cross section $\sigma_{scalar}$ for the elastic neutralino--nucleon scattering is in general several orders of magnitude below the…

High Energy Physics - Phenomenology · Physics 2009-09-25 A. B. Lahanas , D. V. Nanopoulos , V. C. Spanos

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

Coannihilation effects in neutralino relic density calculations are examined for a full range of supersymmetry parameters including large \tan\beta and large A_0 for stau, chargino, stop and sbottom coannihilation with the neutralino.…

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