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An electroweak (EW) sector of the Minimal Supersymmetric Standard Model (MSSM) with masses of a few hundred GeV can account for variety of experimental data, assuming the lightest neutralino to be the lightest supersymmetric (SUSY)…

High Energy Physics - Phenomenology · Physics 2022-01-11 Manimala Chakraborti , Sven Heinemeyer , Ipsita Saha

Kane and Wells recently argued that collider data point to a Higgsino-like lightest supersymmetric partner which would explain the dark matter in our Galactic halo. They discuss direct detection of such dark-matter particles in laboratory…

High Energy Physics - Phenomenology · Physics 2010-11-30 Katherine Freese , Marc Kamionkowski

I would like to attract attention of the LHC high-energy physics community to non-accelerator, low-energy experiments, that are also very sensitive to new physics. My example concerns search for supersymmetric dark matter particles. It is…

High Energy Physics - Phenomenology · Physics 2007-05-23 V. A. Bednyakov

In these proceedings we review the interplay between LHC searches for dark matter and direct detection experiments. For this purpose we consider two prime examples: the effective field theory (EFT) approach and the minimal supersymmetric…

High Energy Physics - Phenomenology · Physics 2015-05-12 Andreas Crivellin , Martin Hoferichter , Massimiliano Procura , Lewis C. Tunstall

In SUSY, a light dark matter is usually accompanied by light scalars to achieve the correct relic density, which opens new decay channels of the SM like Higgs boson. Under current experimental constraints including the latest LHC Higgs data…

High Energy Physics - Phenomenology · Physics 2015-06-17 Junjie Cao , Chengcheng Han , Lei Wu , Peiwen Wu , Jin Min Yang

In a large class of scenarios, dark matter (DM) particles that belong to a multiplet of the standard model (SM) weak interactions are challenging to probe in direct detection experiments due to loop-suppressed cross-sections. Direct…

High Energy Physics - Phenomenology · Physics 2019-04-15 Tao Han , Satyanarayan Mukhopadhyay , Xing Wang

Given the recent progress in dark matter direction detection experiments, we examine a light bino-higgsino dark matter (DM) scenario ($M_1<100$ GeV and $\mu<300$ GeV) in natural supersymmetry with the electroweak fine tuning measure…

High Energy Physics - Phenomenology · Physics 2018-01-17 Murat Abdughani , Lei Wu , Jin Min Yang

We study dark matter physics in the Minimal Supersymmetric Standard Model with non-universal gaugino masses at the unification scale. In this scenario, the specific ratio of wino and gluino masses realizes the electro-weak scale naturally…

High Energy Physics - Phenomenology · Physics 2017-09-13 Junichiro Kawamura , Yuji Omura

The identity of Dark Matter (DM) is one of the most active topics in particle physics today. Supersymmetry (SUSY) is an extension of the standard model (SM) that could describe the particle nature of DM in the form of the lightest…

High Energy Physics - Phenomenology · Physics 2021-02-23 Cardona Natalia , Flórez Andrés , Gurrola Alfredo , Johns Will , Sheldon Paul , Tao cheng

Higgsinos can be the lightest supersymmetric particles, allowing for either a full or partial dark matter interpretation, with the correct thermal freeze-out abundance obtained for masses near 1.1 TeV. Dark matter direct detection…

High Energy Physics - Phenomenology · Physics 2025-12-16 Prudhvi N. Bhattiprolu , Stephen P. Martin , James D. Wells

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

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

The complementarity between dark matter searches at colliders and in underground laboratories is an extraordinarily powerful tool in the quest for dark matter. In the vast majority of the analyses conducted so far these dark matter…

High Energy Physics - Phenomenology · Physics 2013-04-24 Giorgio Arcadi , Riccardo Catena , Piero Ullio

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

We compare the first results on searches for supersymmetry with the Large Hadron Collider (LHC) to the current and near-term performance of experiments sensitive to neutralino dark matter. We limit our study to the particular slices of…

High Energy Physics - Phenomenology · Physics 2011-08-08 Stefano Profumo

The $b\tau j \etslash$ signal at the ongoing LHC experiments is simulated with Pythia in the mSUGRA and other models of SUSY breaking. Special attention is given on the compatibility of this signature with the low mass neutralino dark…

High Energy Physics - Phenomenology · Physics 2011-11-10 Nabanita Bhattacharyya , Arghya Choudhury , Amitava Datta

A higgsino could be some or all of the dark matter, with a mass bounded from above by about 1.1 TeV assuming a thermal freezeout density, and from below by collider searches. Direct detection experiments imply purity constraints on a dark…

High Energy Physics - Phenomenology · Physics 2024-12-24 Stephen P. Martin

We investigate the possibility that Dark Matter arises as a composite state of a fundamental confining dynamics, together with the Higgs boson. We focus on the minimal SU(4)$\times$SU(4)/SU(4) model which has both a Dark Matter and a Higgs…

High Energy Physics - Phenomenology · Physics 2017-08-22 Teng Ma , Yongcheng Wu , Bin Zhang , Giacomo Cacciapaglia

The lightest superparticle in the MSSM is expected to be a Bino, Higgsino or Wino. We consider the dark matter abundance constraint on these LSP scenarios in the minimal SUGRA and AMSB models. We discuss the resulting collider signals for…

High Energy Physics - Phenomenology · Physics 2008-11-26 D. P. Roy

Inspired by split supersymmetry, we study a minimal supersymmetric scenario with only the Higgsino mass parameter $\mu$ below the TeV scale. The motivation is to satisfy the gauge coupling unification and dark matter constraints with the…

High Energy Physics - Phenomenology · Physics 2009-11-11 Kingman Cheung , Cheng-Wei Chiang , Jeonghyeon Song