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Related papers: LHC Physics and Cosmology

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We consider three cosmological models with linear interaction between the dark components and obtain restrictions on the coupling constant in terms of the cosmographic parameters. It enables us to find constraints on the coupling constant…

Cosmology and Nongalactic Astrophysics · Physics 2016-04-27 Yu. L. Bolotin , V. A. Cherkaskiy , O. A. Lemets

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

At the LHC, superpartners with the masses lighter than a few TeV may be found, and the masses of the supersymmetric (SUSY) particles and their interactions will be studied. The information would be the base to consider the SUSY breaking…

High Energy Physics - Phenomenology · Physics 2007-05-23 Mihoko M. Nojiri

We review what can (and cannot) be learned if dark matter is detected in one or more experiments, emphasizing the importance of combining LHC data with direct, astrophysical and cosmological probes of dark matter. We briefly review the…

High Energy Physics - Phenomenology · Physics 2008-11-07 Gordon Kane , Scott Watson

The identity of Dark Matter (DM) is one of the most captivating topics in particle physics today. The R-parity conserving Minimal Supersymmetric Standard Model (MSSM), which naturally provides a DM candidate in the form of the lightest…

High Energy Physics - Phenomenology · Physics 2018-01-15 Carlos Ávila , Andrés Flórez , Alfredo Gurrola , Dale Julson , Savanna Starko

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

A comprehensive analysis of cosmological and collider constraints is presented for three simplified models characterised by a dark matter candidate (real scalar, Majorana fermion and real vector) and a coloured mediator (fermion, scalar and…

High Energy Physics - Phenomenology · Physics 2021-04-22 Chiara Arina , Benjamin Fuks , Luca Mantani , Hanna Mies , Luca Panizzi , Jakub Salko

The current cosmological dark sector (dark matter plus dark energy) is challenging our comprehension about the physical processes taking place in the Universe. Recently, some authors tried to falsify the basic underlying assumptions of such…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-04 V. C. Busti , J. A. S. Lima

We consider a recently proposed model in which dark matter interacts with a thermal background of dark radiation. Dark radiation consists of relativistic degrees of freedom which allow larger values of the expansion rate of the universe…

Cosmology and Nongalactic Astrophysics · Physics 2018-01-24 Manuel A. Buen-Abad , Martin Schmaltz , Julien Lesgourgues , Thejs Brinckmann

We present a pedagogical introduction to supersymmetry and supersymmetric models and give an overview of the potential of the linear collider for studying them. If supersymmetry is found, its discovery will bring with it many more questions…

High Energy Physics - Phenomenology · Physics 2007-05-23 Jonathan L. Feng , Mihoko M. Nojiri

We use strongly gravitationally lensed (SGL) systems to put additional constraints on a set of holographic dark energy models. Data available in the literature (redshift and velocity dispersion) is used to obtain the Einstein radius and…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-17 Victor H. Cardenas , Alexander Bonilla , Veronica Motta , Sergio del Campo

A brief overview is given about some issues in current astroparticle physics, focusing on the dark matter (DM) problem, where the connection to LHC physics is particularly strong. New data from the Planck satellite has made the evidence in…

High Energy Physics - Phenomenology · Physics 2015-06-17 L. Bergstrom

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

This report, summarising work achieved in the context of the LHC Dark Matter Working Group, investigates the phenomenology of $t$-channel dark matter models, spanning minimal setups with a single dark matter candidate and mediator to more…

Scalar cosmological perturbations are investigated in the framework of a model with interacting dark energy and dark matter. In addition to these constituents, the inhomogeneous Universe is supposed to be filled with the standard…

General Relativity and Quantum Cosmology · Physics 2015-07-24 Maxim Eingorn , Claus Kiefer

The present knowledge of the dark matter discovery and measurement potential of the LHC is reviewed, in the framework of Supersymmetry with R-parity conservation.

High Energy Physics - Phenomenology · Physics 2007-05-23 Patrick Janot

The negative outcome of searches for supersymmetry performed at LEP have been used to derive indirect constraints on the parameters of the most plausible models for cold dark matter based on supersymmetric extensions of the Standard Model.…

High Energy Physics - Experiment · Physics 2007-05-23 Gerardo Ganis

The Lambda-Cold Dark Matter (LCDM) model agrees with most of the cosmological observations, but has some hindrances from observed data at smaller scales such as galaxies. Recently, Berezhiani and Khoury (2015) proposed a new theory…

General Relativity and Quantum Cosmology · Physics 2020-07-22 Shreya Banerjee , Sayantani Bera , David F. Mota

We briefly review the current status and future prospects for supersymmetry searches at colliders, and discuss strategies by which further information about sparticle properties may be obtained at the LHC.

High Energy Physics - Phenomenology · Physics 2007-05-23 Xerxes Tata

The Large Hadron Collider (LHC) provides data which give information on dark matter. In particular, measurements related to the Higgs sector lead to strong constraints on the invisible sector which are competitive with astrophysical limits.…

High Energy Physics - Phenomenology · Physics 2015-02-24 Maria Krawczyk , Malgorzata Matej , Dorota Sokolowska , Bogumila Swiezewska