English
Related papers

Related papers: Dark Matter and Sparticle Reconstruction at the LH…

200 papers

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 study the possible signals at LHC of the minimal models of decaying dark matter. Those models are characterized by the fact that DM interacts with SM particles through renormalizable coupling with an additional heavier charged state.…

High Energy Physics - Phenomenology · Physics 2015-06-22 Giorgio Arcadi , Laura Covi , Federico Dradi

We examine the dark energy and matter densities allowed by precision measurements of distances out to various redshifts, in the presence of spatial curvature and (near) arbitrary behavior of the dark energy equation of state. Degeneracies…

Cosmology and Nongalactic Astrophysics · Physics 2011-09-22 Arman Shafieloo , Eric V. Linder

The identity of dark matter is one of the greatest puzzles of our Universe. Its solution may be associated with supersymmetry which is a fundamental space-time symmetry that has not been verified experimentally so far. In many…

High Energy Physics - Phenomenology · Physics 2007-08-28 Frank Daniel Steffen

The existence of dark matter is currently one of the strongest motivations for physics beyond the standard model. Its implications for future colliders are discussed. In the case of neutralino dark matter, cosmological bounds do not provide…

High Energy Physics - Phenomenology · Physics 2009-10-31 Jonathan L. Feng

Supersymmetry is one of the most plausible extensions of the Standard Model, since it is well motivated by the hierarchy problem, supported by measurements of the gauge coupling strengths, consistent with the suggestion from precision…

High Energy Physics - Phenomenology · Physics 2007-05-23 John Ellis

The expected sensitivity of the LHC experiments to the discovery of the Higgs boson and the measurement of its properties is presented in the context of both the standard model and the its minimal supersymmetric extension. Prospects for a…

High Energy Physics - Phenomenology · Physics 2007-05-23 Kyle S. Cranmer

We perform a model-independent study of inelastic dark matter at the LHC, concentrating on the parameter space with the mass splitting between the excited and ground states of dark matter above a few hundred MeV, where the direct detection…

High Energy Physics - Phenomenology · Physics 2015-05-30 Yang Bai , Tim M. P. Tait

Dark matter represents currently an outstanding problem in both cosmology and particle physics. In this review we discuss the possible explanations for dark matter and the experimental observables which can eventually lead to the discovery…

High Energy Physics - Phenomenology · Physics 2021-04-26 A. Arbey , F. Mahmoudi

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

Little Higgs scenario provides us a new solution for the hierarchy problem of the Standard Model. The Littlest Higgs model with T-parity, which is one of models in the scenario, solves the dark matter problem in our universe. In this talk,…

High Energy Physics - Phenomenology · Physics 2009-02-03 Shigeki Matsumoto , Eri Asakawa , Masaki Asano , Keisuke Fujii , Tomonori Kusano , Rei Sasaki , Yosuke Takubo , Hitoshi Yamamoto

This article discusses the incorporation of dark matter and dark energy into a new physics model called the Three-Higgs Doublet Model. Dark matter and dark energy are accommodated as CP-even and $Z_2$-odd scalars in their respective inert…

High Energy Physics - Phenomenology · Physics 2026-05-04 Mohid Farhan , Ibtehaj Hassan , Muhammad Usman , Noraiz Tahir

The Large Hadron Collider presents an unprecedented opportunity to probe the realm of new physics in the TeV region and shed light on some of the core unresolved issues of particle physics. These include the nature of electroweak symmetry…

The search for and identification of neutralino dark matter in supersymmetry requires a multi-pronged approach with important roles played by collider, direct and indirect dark matter detection experiments. In this report, we summarize the…

High Energy Physics - Phenomenology · Physics 2013-10-01 M. Cahill-Rowley , R. Cotta , A. Drlica-Wagner , S. Funk , J. Hewett , A. Ismail , T. Rizzo , M. Wood

We propose a new search for Dark Matter at the LHC, characteristic of scenarios beyond the Standard Model with a pseudoscalar portal between the visible and dark sectors. This search, leading to a $\bar{b} b Z( \rightarrow \ell\ell) + E_{T}…

High Energy Physics - Phenomenology · Physics 2018-01-12 Patrick Tunney , Jose Miguel No , Malcolm Fairbairn

The status of the constrained minimal supersymmetric standard model (CMSSM) will be discussed in light of our current understanding of the relic density after WMAP. A global likelihood analysis of the model is performed including data from…

High Energy Physics - Phenomenology · Physics 2007-05-23 Keith A. Olive

With a parametric form of the equation of state parameter of dark energy, a quintessence potential has been reconstructed. The potential is found to be a generalization of a double exponential potential. The constraints on the parameters…

General Relativity and Quantum Cosmology · Physics 2016-01-20 Ankan Mukherjee , Narayan Banerjee

We give here an overview of recent developments in high energy physics and cosmology and their interconnections that relate to unification, and discuss prospects for the future. Thus there are currently three empirical data that point to…

High Energy Physics - Phenomenology · Physics 2018-08-08 Pran Nath

Magnetic and Rayleigh dark matter are models describing weak interactions of dark matter with electromagnetism through non-renormalizable operators of dimensions 5 and 7, respectively. Such operators motivate the existence of heavier states…

High Energy Physics - Phenomenology · Physics 2014-03-20 Jia Liu , Brian Shuve , Neal Weiner , Itay Yavin

We propose a model which explains the baryon asymmetry of the universe and dark matter relic density at the same time. In this model, dark matter candidate is the dark baryon composed by dark quarks. A scalar mediator, which couples to the…

High Energy Physics - Phenomenology · Physics 2021-09-15 Mengchao Zhang