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Related papers: SUSY and Dark Matter Constraints from the LHC

200 papers

Gravitino Dark Matter represents a compelling scenario in Supersymmetry, which brings together a variety of data from cosmology and collider physics. We discuss the constraints obtained from the LHC on supersymmetric models with gravitino…

High Energy Physics - Phenomenology · Physics 2015-12-23 Alexandre Arbey , Marco Battaglia , Laura Covi , Jasper Hasenkamp , Farvah Mahmoudi

Supersymmetry (SUSY) is a complete and renormalisable candidate for an extension of the Standard Model. At an energy scale not too far above the electroweak scale it would solve the hierarchy problem of the SM Higgs boson, dynamically…

High Energy Physics - Experiment · Physics 2015-06-11 Philip Bechtle , Tilman Plehn , Christian Sander

In the framework of the Constrained Minimal Supersymmetric Standard Model (CMSSM) we evaluate the electroweak fine tuning measure that provides a quantitative test of supersymmetry as a solution to the hierarchy problem. Taking account of…

High Energy Physics - Phenomenology · Physics 2014-11-20 S. Cassel , D. M. Ghilencea , G. G. Ross

The discovery and exploration of Supersymmetry in a model-independent fashion will be a daunting task due to the large number of soft-breaking parameters in the MSSM. In this paper, we explore the capability of the ATLAS detector at the LHC…

High Energy Physics - Phenomenology · Physics 2011-07-26 John A. Conley , James S. Gainer , JoAnne L. Hewett , My Phuong Le , Thomas G. Rizzo

Although the existence of dark matter is well established by many astronomical measurements, its nature still remains one of the unsolved puzzles of particles physics. The unprecedented energy reached by the Large Hadron Collider (LHC) at…

High Energy Physics - Experiment · Physics 2017-09-01 Cristiano Alpigiani

Some possible methods to determine at the LHC masses of SUSY particles are discussed.

High Energy Physics - Phenomenology · Physics 2011-03-02 Frank E. Paige

The lack of evidence for weak scale supersymmetry from LHC Run-I and Run-II results along with null results from direct/indirect dark matter detection experiment have caused a paradigm shift in expected phenomenology of SUSY models. The…

High Energy Physics - Phenomenology · Physics 2017-11-22 Hasan Serce

The motivation for introduction of supersymmetry in high energy physics as well as a possibility for supersymmetry discovery at LHC (Large Hadronic Collider) are discussed. The main notions of the Minimal Supersymmetric Standard Model…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. V. Gladyshev , D. I. Kazakov

The searches for heavy Higgs bosons and supersymmetric (SUSY) particles at the LHC have left the minimal supersymmetric standard model (MSSM) with an unusual spectrum of SUSY particles, namely, all squarks are beyond a few TeV while the…

High Energy Physics - Phenomenology · Physics 2015-05-20 Kingman Cheung , Ran Huo , Jae Sik Lee , Yue-Lin Sming Tsai

A review of direct searches for new particles predicted by Supersymmetry after the first run of the LHC is proposed. This review is based on the results provided by the ATLAS and CMS experiments.

High Energy Physics - Experiment · Physics 2015-06-19 I. -A. Melzer-Pellmann , P. Pralavorio

These lectures, given at the 1997 TASI Summer School, describe the prospects for discovering supersymmetry (SUSY) and for studying its properties at the Large Hadron Collider (LHC) at CERN. If SUSY exists at a mass scale less than 1--2 TeV,…

High Energy Physics - Phenomenology · Physics 2009-09-25 Frank E. Paige

An overview of supersymmetry searches is presented, covering collider experiments, direct and indirect searches for supersymmetric dark matter. Recent LHC experimental results are reviewed, and the constraints from B-meson decays are…

High Energy Physics - Phenomenology · Physics 2015-11-11 Vasiliki A. Mitsou

The Lightest Supersymmetric Particle (LSP) makes a good Dark Matter (DM) candidate, since its relic density quite naturally comes out close to the cosmologically required value. This is true even in minimal Supergravity models with…

High Energy Physics - Phenomenology · Physics 2009-09-25 M. Drees

The recent WMAP data provide a rather restricted range of the Cold Dark Matter (CDM) density $ \Omega_{CDM} h^2 $ of unprecedented accuracy. We combine these new data along with data from BNL E821 experiment measuring $ {(g_{\mu}-2)}$, $…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. B. Lahanas , D. V. Nanopoulos

The ATLAS and CMS experiments at the Large Hadron Collider (LHC) at CERN have searched for signals of new physics, in particular for supersymmetry. The data collected until 2012 at center-of-mass energies of 7 and 8 TeV and integrated…

High Energy Physics - Experiment · Physics 2016-09-07 Christian Autermann

We have explored Natural Supersymmetry (NSUSY) scenarios with low values of the $\mu$ parameter which are characterised by higgsino-like Dark Matter (DM) and compressed spectra for the lightest MSSM particles, $\chi^0_1$, $\chi^0_2$ and…

High Energy Physics - Phenomenology · Physics 2015-07-24 Daniele Barducci , Alexander Belyaev , Aoife K. M. Bharucha , Werner Porod , Veronica Sanz

We address the question how light the lightest MSSM neutralino can be as dark matter candidate in a scenario where all supersymmetric scalar particles are heavy. The hypothesis that the neutralino accounts for the observed dark matter…

High Energy Physics - Phenomenology · Physics 2015-06-23 Lorenzo Calibbi , Jonas M. Lindert , Toshihiko Ota , Yasutaka Takanishi

A pressing problem for supersymmetry (SUSY) phenomenologists is how to incorporate Large Hadron Collider search results into parameter fits designed to measure or constrain the SUSY parameters. Owing to the computational expense of fully…

High Energy Physics - Phenomenology · Physics 2015-05-28 A. Buckley , A. Shilton , M. J. White

The prediction for the Higgs mass in the dark matter selected high-scale SUSY is explored. We show the bounds on SUSY-breaking scale in models of SM $+\tilde{w}$ and SM $+\tilde{h}/\tilde{s}$ due to the observed Higgs mass at the LHC. We…

High Energy Physics - Phenomenology · Physics 2015-03-13 Sibo Zheng

If SUSY provides a solution to the hierarchy problem then supersymmetric states should not be too heavy. This requirement is quantified by a fine tuning measure that provides a quantitative test of SUSY as a solution to the hierarchy…

High Energy Physics - Phenomenology · Physics 2010-05-07 S. Cassel , D. M. Ghilencea , G. G. Ross