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Supersymmetry is one of the most popular theories that have been proposed to solve or alleviate the Hierarchy Problem and is one of the most active areas of research of Physics beyond the Standard Model at the LHC. In this contribution the…

High Energy Physics - Experiment · Physics 2019-08-13 A. Gaz

The ability of the LHC to make statements about the dark matter problem is considered, with a specific focus on supersymmetry. After reviewing the current strategies for supersymmetry searches at the LHC (in both CMS and ATLAS), some key…

High Energy Physics - Phenomenology · Physics 2010-11-03 Martin J. White

The content of matter in the Universe is estimated to be the 27% of its critical density. It is almost universally accepted that most ot this matter is non-baryonic. Constraints from primordial nucleosynthesis and cosmic background…

Astrophysics · Physics 2015-06-24 E. Bisesi , M. Mariotti , V. Scalzotto

We estimate the current theoretical uncertainty in supersymmetric dark matter predictions by comparing several state-of-the-art calculations within the minimal supersymmetric standard model (MSSM). We consider standard neutralino dark…

High Energy Physics - Phenomenology · Physics 2018-06-13 Paul Bergeron , Pearl Sandick , Kuver Sinha

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

Within the framework of the Minimal Supersymmetric Standard Model (MSSM), we explore a decoupling of the parameters into separate sectors that determine consistency with collider data, the abundance of dark matter, and potential signatures…

High Energy Physics - Phenomenology · Physics 2016-07-27 Pearl Sandick

Exotic dark matter together with the vacuum energy or cosmological constant seem to dominate in the Universe. An even higher density of such matter seems to be gravitationally trapped in the Galaxy. Thus its direct detection is central to…

High Energy Physics - Phenomenology · Physics 2014-11-17 J. D. Vergados

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

Dark matter is presumably made of some new, exotic particle that appears in extensions of the Standard Model. After giving a brief overview of some popular candidates, I discuss in more detail the most appealing case of the supersymmetric…

High Energy Physics - Phenomenology · Physics 2008-11-26 Leszek Roszkowski

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

The direct detection rate for supersymmetric cold dark matter (CDM) particles is calculated for a number of suitable nuclear targets. Both the coherent and spin contributions are considered. By considering representative phenomenologically…

High Energy Physics - Phenomenology · Physics 2014-11-17 J. D. Vergados , T. S. Kosmas

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

We study a specific SUGRA model with nonuniversal gaugino masses as an alternative to the minimal SUGRA model in the context of supersymmetric dark matter. The lightest supersymmetric particle in this model comes out to be a Higgsino…

High Energy Physics - Phenomenology · Physics 2009-11-10 Utpal Chattopadhyay , D. P. Roy

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

After a short introduction on particle candidates for dark matter within possible extensions of the standard model, we concentrate on Weakly Interacting Massive Particles, and on one of their most interesting physical realizations: the…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Bottino , F. Donato , N. Fornengo , S. Scopel

The supersymmetric extension to the Standard Model offers a promising cold dark matter candidate, the lightest neutralino. I will review the prospects for the detection of this candidate in both accelerator and direct detection searches.

High Energy Physics - Phenomenology · Physics 2017-08-23 Keith A. Olive

Models where supersymmetry (SUSY) is manifest only in a sector of the low-energy spectrum have been recently proposed as an alternative to the MSSM. In these models the electroweak scale is explained by a fine-tuning between different Higgs…

High Energy Physics - Phenomenology · Physics 2009-11-11 Manuel Masip , Iacopo Mastromatteo

Exotic dark matter together with the vacuum energy (associated with the cosmological constant) seem to dominate in the Universe. Thus its direct detection is central to particle physics and cosmology. Supersymmetry provides a natural dark…

Astrophysics · Physics 2009-11-07 J. D. Vergados

We consider the SUSY-model neutralino as a dominant Dark Matter particle in the galactic halo and investigate some general issues of direct DM searches via elastic neutralino-nucleus scattering. On the basis of conventional assumptions…

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

In the Supersymmetric extension of the Standard Model with minimal particle content the three neutrinos can have non trivial masses and mixings, generated at 1 loop due to renormalizable lepton number violating interactions. We show that…

High Energy Physics - Phenomenology · Physics 2009-09-25 D. Tommasini