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The Standard Model of particle physics has been strengthened by the recent discovery of the long-awaited Higgs boson. The standard cosmological model has met the challenge of the high precision observations in cosmology and astroparticle…

High Energy Physics - Phenomenology · Physics 2013-12-03 Jonathan Da Silva

We revisit MSSM scenarios with light neutralino as a dark matter candidate in view of the latest LHC and dark matter direct and indirect detection experiments. We show that scenarios with a very light neutralino (~ 10 GeV) and a scalar…

High Energy Physics - Phenomenology · Physics 2013-11-08 Alexandre Arbey , Marco Battaglia , Farvah Mahmoudi

In constrained minimal supersymmetry the lightest neutralino of bino-type is the only neutral candidate for dark matter. As a result, one is typically able to restrict all the supersymmetric mass spectra below roughly 1-2\tev\ {\em without}…

High Energy Physics - Phenomenology · Physics 2008-02-03 G. L. Kane , Chris Kolda , Leszek Roszkowski , James D. Wells

Supersymmetric extensions of the Standard Model have been in vogue for over half a century. They have many interesting theoretical properties like calculability, absence of quadratic divergences, and phenomenologically impactful features…

High Energy Physics - Phenomenology · Physics 2023-07-26 V. Suryanarayana Mummidi , Priyanka Lamba , Sudhir K. Vempati

Recently the CDMS collaboration has reported an excess of events in the signal region of a search for dark matter scattering with Silicon nuclei. Three events on an expected background of 0.4 have a significance of about 2 sigma, and it is…

High Energy Physics - Phenomenology · Physics 2014-07-30 Randel C. Cotta , Arvind Rajaraman , Tim M. P. Tait , Alexander M. Wijangco

Particle physics candidates for cosmological dark matter are usually considered as neutral and weakly interacting. However stable charged leptons and quarks can also exist and, hidden in elusive atoms, play the role of dark matter. The…

Astrophysics · Physics 2008-01-03 M. Yu. Khlopov

We study the constraints on neutralino dark matter in minimal low energy supersymmetry models and the case of heavy lepton and quark scalar superpartners. For values of the Higgsino and gaugino mass parameters of the order of the weak…

High Energy Physics - Phenomenology · Physics 2017-05-31 Peisi Huang , Roger A. Roglans , Daniel D. Spiegel , Yitian Sun , Carlos E. M. Wagner

We study the complementarity between dark matter experiments (direct detection and indirect detections) and accelerator facilities (the CERN LHC and a $\sqrt{s}= 1$ TeV $e^+e^-$ Linear Collider) in the framework of the constrained Minimal…

High Energy Physics - Phenomenology · Physics 2008-11-26 Y. Mambrini , E. Nezri

This review summarizes the state of the art in searches for supersymmetry at colliders on the eve of the LHC era. Supersymmetry is unique among extensions of the standard model in being motivated by naturalness, dark matter, and force…

High Energy Physics - Experiment · Physics 2014-11-18 Jonathan L. Feng , Jean-Francois Grivaz , Jane Nachtman

SuperWeakly-Interacting Massive Particles (superWIMPs) produced in the late decays of other particles are well-motivated dark matter candidates and may be favored over standard Weakly-Interacting Massive Particles (WIMPs) by small scale…

High Energy Physics - Phenomenology · Physics 2008-11-26 Jose A. R. Cembranos , Jonathan L. Feng , Arvind Rajaraman , Bryan T. Smith , Fumihiro Takayama

Dark matter is one of the main puzzles in fundamental physics and the goal of a diverse, multi-pronged research program. Underground and astrophysical searches search for dark matter particles in the cosmos, either by interacting directly…

High Energy Physics - Experiment · Physics 2018-06-13 Bjoern Penning

Recent observations by the CoGeNT collaboration (as well as long standing observations by DAMA/LIBRA) suggest the presence of a $\sim 5$-10 GeV dark matter particle with a somewhat large elastic scattering cross section with nucleons…

High Energy Physics - Phenomenology · Physics 2011-10-13 Alexander V. Belikov , John F. Gunion , Dan Hooper , Tim M. P. Tait

I present an overview of theoretical expectations for detection of dark matter (DM) at the LHC, concentrating entirely on supersymmetric candidates. En route, I present a unified theory which explains dark matter signals at indirect and…

High Energy Physics - Phenomenology · Physics 2010-12-02 Howard Baer

We review here the status of different dark matter candidates in the context of supersymmetric models, in particular the neutralino as a realization of the WIMP-mechanism and the gravitino. We give a summary of the recent bounds in direct…

High Energy Physics - Phenomenology · Physics 2015-06-17 Riccardo Catena , Laura Covi

There are compelling reasons to think that new physics will appear at or below the TeV-scale. It is not known what form this new physics will take, however. Although The Large Hadron collider is very likely to discover new particles…

High Energy Physics - Phenomenology · Physics 2008-11-26 Dan Hooper , Gabrijela Zaharijas

Dark matter is a vital component of the current best model of our universe, $\Lambda$CDM. There are leading candidates for what the dark matter could be (e.g. weakly-interacting massive particles, or axions), but no compelling observational…

Cosmology and Nongalactic Astrophysics · Physics 2015-07-06 David M. Jacobs , Glenn D. Starkman , Bryan W. Lynn

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

In view of ongoing measurements of the Higgs-like boson at the LHC and direct searches for dark matter, we explore the possibility of accommodating the potential results in a simple new-physics model with discrete gauge symmetry as well as…

High Energy Physics - Phenomenology · Physics 2015-03-20 Cheng-Wei Chiang , Takaaki Nomura , Jusak Tandean

Where is the long--awaited one? A supersymmetric neutralino has been a favored candidate for the WIMP dark matter but, so far, it has not been found. One way to locate it is to identify where it can be hiding in the vast supersymmetric…

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

In the context of the relationship between physics of cosmological dark matter and symmetry of elementary particles a wide list of dark matter candidates is possible. New symmetries provide stability of different new particles and their…

High Energy Physics - Phenomenology · Physics 2017-04-26 M. Yu. Khlopov