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Related papers: micrOMEGAs: A program for calculating the relic de…

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micrOMEGAs is a program that calculates the relic density of the lightest supersymmetric particle in the MSSM. All tree-level processes for the annihilation of the LSP are included as well as all possible coannihilation processes. The…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. Belanger

We present the latest version of micromegas, a code that calculates the relic density of the lightest supersymmetric particle in the MSSM. All tree-level processes for the annihilation of the LSP are included as well as all possible…

High Energy Physics - Phenomenology · Physics 2008-11-26 G. Belanger , F. Boudjema , A. Pukhov , A. Semenov

The program micrOMEGAs that calculates the relic density of the lightest supersymmetric particle (LSP) in the MSSM is presented. The impact of coannihilation channels and of higher order corrections to Higgs widths is stressed. The…

High Energy Physics - Phenomenology · Physics 2017-08-23 G. Belanger , F. Boudjema , A. Pukhov , A. Semenov

micrOMEGAs2.0 is a code which calculates the relic density of a stable massive particle in an arbitrary model. The underlying assumption is that there is a conservation law like R-parity in supersymmetry which guarantees the stability of…

High Energy Physics - Phenomenology · Physics 2008-11-26 G. Belanger , F. Boudjema , A. Pukhov , A. Semenov

We present a code to compute the relic density of dark matter in the Next-to-Minimal Supersymmetric Standard Model (NMSSM). Dominant corrections to the Higgs masses are calculated with NMHDECAY as well as theoretical and collider…

High Energy Physics - Phenomenology · Physics 2009-11-11 G. Belanger , F. Boudjema , C. Hugonie , A. Pukhov , A. Semenov

We describe SuperIso Relic, a public program for evaluation of relic density and flavor physics observables in the minimal supersymmetric extension of the Standard Model (MSSM). SuperIso Relic is an extension of the SuperIso program which…

High Energy Physics - Phenomenology · Physics 2014-11-20 A. Arbey , F. Mahmoudi

micrOMEGAs is a code to compute dark matter observables in generic extensions of the standard model. This new version of micrOMEGAs is a major update which includes a generalization of the Boltzmann equations to accommodate models with…

High Energy Physics - Phenomenology · Physics 2015-06-15 G. Belanger , F. Boudjema , A. Pukhov , A. Semenov

Recent measurements by Planck, LHC experiments, and Xenon100 have significant impact on supersymmetric models and their parameters. We first illustrate the constraints in the mSUGRA plane and then perform a detailed analysis of the general…

We explore the parameter space of a Constrained Next-to-Minimal Supersymmetric Standard Model with GUT scale boundary conditions (CNMSSM) and find regions where the relic density of the lightest neutralino is compatible with the WMAP…

High Energy Physics - Phenomenology · Physics 2014-11-18 C. Hugonie , G. Belanger , A. Pukhov

micrOMEGAs is a numerical code to compute dark matter (DM) observables in generic extensions of the Standard Model of particle physics. We present a new version of micrOMEGAs that includes a generalization of the Boltzmann equations…

High Energy Physics - Phenomenology · Physics 2024-02-27 G. Alguero , G. Belanger , F. Boudjema , S. Chakraborti , A. Goudelis , S. Kraml , A. Mjallal , A. Pukhov

micrOMEGAs is a code to compute dark matter observables in generic extensions of the standard model. This version of micrOMEGAs includes a generalization of the Boltzmann equations to take into account the possibility of two dark matter…

High Energy Physics - Phenomenology · Physics 2015-05-20 G. Belanger , F. Boudjema , A. Pukhov , A. Semenov

We discuss constraints on supersymmetric models arising from the relic density measurements of WMAP as well as from direct and precision measurements, LEP, b-sgamma, g-2, Bs-mumu. We consider mSUGRA models and their extensions with…

High Energy Physics - Phenomenology · Physics 2008-11-26 G. Belanger , F. Boudjema , A. Cottrant , A. Pukhov , A. Semenov

We describe the the improved properties of the NMHDECAY program, that is designed to compute Higgs and sparticle masses and Higgs decay widths in the NMSSM. In the version 2.0, Higgs decays into squarks and sleptons are included,…

High Energy Physics - Phenomenology · Physics 2011-06-02 Ulrich Ellwanger , Cyril Hugonie

We describe a likelihood analysis using MasterCode of variants of the MSSM in which the soft supersymmetry-breaking parameters are assumed to have universal values at some scale $M_{in}$ below the supersymmetric grand unification scale…

micrOMEGAs is a tool for cold dark matter (DM) studies in generic extensions of the standard model with a R-parity like discrete symmetry that guarantees the stability of the lightest odd particle. The code computes the DM relic density,…

High Energy Physics - Phenomenology · Physics 2022-03-02 G. Belanger , F. Boudjema , A. Pukhov , A. Semenov

We evaluate the relic density of neutralinos in the minimal supergravity (mSUGRA) model. All 2->2 neutralino annihilation diagrams, as well as all initial states involving sleptons, charginos, neutralinos and third generation squarks are…

High Energy Physics - Phenomenology · Physics 2007-05-23 Howard Baer , Csaba Balazs , Alexander Belyaev

We present the latest version 2.6 of FeynHiggs, a program for computing MSSM Higgs-boson masses and related observables, such as mixing angles, branching ratios, and couplings, including state-of-the-art higher-order contributions. The most…

High Energy Physics - Phenomenology · Physics 2007-10-26 T. Hahn , S. Heinemeyer , W. Hollik , H. Rzehak , G. Weiglein

We compute the cosmic relic (dark matter) density of the lightest supersymmetric particle (LSP) in the framework of minimal $N=1$ Supergravity models with radiative breaking of the electroweak gauge symmetry. To this end, we re--calculate…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Drees , M. M. Nojiri

The measurements of WMAP on the relic density of dark matter strongly constrain supersymmetric models. In mSUGRA where the neutralino LSP is mostly a bino only rather fine-tuned models survive. On the other hand the relic density upper…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. Belanger , F. Boudjema , A. Cottrant , A. Pukhov , A. Semenov

We present several benchmark points in the phenomenological Minimal Supersymmetric Standard Model (pMSSM). We select these models as experimentally well-motivated examples of the MSSM which predict the observed Higgs mass and dark matter…

High Energy Physics - Phenomenology · Physics 2013-05-14 Matthew W. Cahill-Rowley , JoAnne L. Hewett , Ahmed Ismail , Michael E. Peskin , Thomas G. Rizzo
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