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We consider a Dark Matter candidate particle of spin 3/2 with neutrino-like Standard Model strength interactions. In the Majorana case, the particle can account for all of the Dark Matter for a range of masses between 70-160 GeV, depending…

High Energy Physics - Phenomenology · Physics 2014-04-02 Konstantin G. Savvidy , J. D. Vergados

As experimental sensitivity increases, one is approaching the range of WIMP-nucleon interaction strengths characteristic of neutralinos. But this continuing progress also unearths new experimental challenges and uncertainties.

High Energy Physics - Phenomenology · Physics 2007-05-23 Leszek Roszkowski

The direct limit of electric dipole moment (EDM) and direct search for dark matter by EDM interaction are considered as including the electromagnetic nuclear form factor, in case that the dark matter candidate is a Dirac particle. The WIMP…

High Energy Physics - Phenomenology · Physics 2011-08-09 Jae Ho Heo

The XENON100 collaboration has recently released new dark matter limits, placing particular emphasis on their impact on searches known to be sensitive to light-mass (below 10 GeV/c^2) Weakly Interacting Massive Particles (WIMPs), such as…

Cosmology and Nongalactic Astrophysics · Physics 2010-05-14 J. I. Collar , D. N. McKinsey

The dark matter of our galactic halo may be constituted by elementary particles that interact weakly with ordinary matter (WIMPs). In spite of the very low counting rates expected for these dark matter particles to scatter off nuclei in a…

High Energy Physics - Phenomenology · Physics 2007-05-23 Paolo Gondolo

We construct models of dark matter with suppressed spin-independent scattering cross section utilizing the existing simplified model framework. Even simple combinations of simplified models can exhibit interference effects that cause the…

High Energy Physics - Phenomenology · Physics 2016-05-30 Arghya Choudhury , Kamila Kowalska , Leszek Roszkowski , Enrico Maria Sessolo , Andrew J. Williams

Our Galaxy resides in the center of a vast "Halo" of Dark Matter (DM). This concentration produces, in many viable particle physics models, an indirect Weakly Interacting Massive Particle (WIMP) annihilation signal that peaks in the…

High Energy Physics - Phenomenology · Physics 2015-03-17 Brandon Anderson

Present and future expected limits on interactions between dark matter and various quarks are thoroughly investigated in a model-independent way. In particular, the constraints on the interactions from the Large Hadron Collider (LHC)…

High Energy Physics - Phenomenology · Physics 2013-04-22 Biplob Bhattacherjee , Debajyoti Choudhury , Keisuke Harigaya , Shigeki Matsumoto , Mihoko M. Nojiri

The scalar dark matter candidate in a prototypical theory space little Higgs model is investigated. We review all details of the model pertinent to dark matter. We perform a thermal relic density calculation including couplings to the gauge…

High Energy Physics - Phenomenology · Physics 2014-11-17 Andreas Birkedal-Hansen , Jay G. Wacker

A new theory of WIMP Dark Matter has been proposed, motivated directly by striking Data from the PAMELA and ATIC collaborations. The WIMP is taken to be charged under a hidden gauge symmetry G_Dark, broken near the GeV scale; this also…

High Energy Physics - Phenomenology · Physics 2010-04-30 Nima Arkani-Hamed , Neal Weiner

The existence of dark matter was suggested, using simple gravitational arguments, seventy years ago. Although we are now convinced that most of the mass in the Universe is indeed some non-luminous matter, we still do not know its…

High Energy Physics - Phenomenology · Physics 2009-11-10 Carlos Munoz

The existence of dark matter is now well established by several indirect experiments. Several candidates for dark matter has also been proposed. However, the dark matter can just be like our ordinary matter in a parallel Universe with both…

High Energy Physics - Phenomenology · Physics 2014-10-28 Shreyashi Chakdar , Kirtiman Ghosh , S. Nandi

String/M theory compactifications with low energy supersymmetry tend to predict that dark matter has two components: axions and WIMPs \cite{1004.5138,1204.2795}. In accord with this, we show that the tentative 130 GeV gamma-line signal…

High Energy Physics - Phenomenology · Physics 2012-05-28 Bobby Samir Acharya , Gordon Kane , Piyush Kumar , Ran Lu , Bob Zheng

The document discusses a proposed extension to the Standard Model that aims to explain the presence of neutrino masses and the existence of dark matter. The model includes two potential candidates for dark matter, a vector WIMP and a…

High Energy Physics - Phenomenology · Physics 2023-09-22 Francesco Costa

Multiply-interacting massive particles (MIMPs) are heavy (>10^10 GeV/c^2) dark matter particles that interact strongly with regular matter, but may have evaded detection due to the low number density required to make up the local dark…

High Energy Physics - Phenomenology · Physics 2022-01-12 Michael Clark , Amanda Depoian , Bahaa Elshimy , Abigail Kopec , Rafael F. Lang , Shengchao Li , Juehang Qin

Vector boson fusion (VBF) processes at the Large Hadron Collider (LHC) provide a unique opportunity to search for new physics with electroweak couplings. A feasibility study for the search of supersymmetric dark matter in the final state of…

High Energy Physics - Phenomenology · Physics 2013-08-14 Andres G. Delannoy , Bhaskar Dutta , Alfredo Gurrola , Will Johns , Teruki Kamon , Eduardo Luiggi , Andrew Melo , Paul Sheldon , Kuver Sinha , Kechen Wang , Sean Wu

Theoretical and experimental techniques employed in dedicated searches for dark matter at hadron colliders are reviewed. Bounds from the 7 and 8 TeV proton-proton collisions at the LHC on dark matter interactions have been collected and the…

High Energy Physics - Phenomenology · Physics 2014-06-24 Andrew Askew , Sushil Chauhan , Bjorn Penning , William Shepherd , Mani Tripathi

After a short review of the arguments for the existence of Particle Dark Matter in the Universe, I list the most plausible candidates provided by particle physics, i.e. neutrinos, axions, and WIMPs. In each case I briefly describe how to…

High Energy Physics - Phenomenology · Physics 2007-05-23 Manuel Drees

The matter power spectrum at comoving scales of (1-40) h^{-1} Mpc is very sensitive to the presence of Warm Dark Matter (WDM) particles with large free streaming lengths. We present constraints on the mass of WDM particles from a combined…

Astrophysics · Physics 2009-11-10 M. Viel , J. Lesgourgues , M. G. Haehnelt , S. Matarrese , A. Riotto

Recently a model has been proposed that links dark matter and neutrino masses. The dark matter candidate which is dubbed as SLIM has a mass of MeV scale and can show up at low energy experiments. The model also has a high energy sector…

High Energy Physics - Phenomenology · Physics 2010-11-11 Yasaman Farzan , Majid Hashemi
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