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Related papers: micrOMEGAs4.1: two dark matter candidates

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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

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 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

These lecture notes describe the micrOMEGAs code for the calculation of Dark Matter observables in extensions of the standard model.

High Energy Physics - Phenomenology · Physics 2014-02-05 G. Belanger , F. Boudjema , A. Pukhov

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 major upgrade of the micrOMEGAs dark matter code to compute the abundance of feebly interacting dark matter candidates through the freeze-in mechanism in generic extensions of the Standard Model of particle physics. We develop…

High Energy Physics - Phenomenology · Physics 2018-12-13 Geneviève Bélanger , Fawzi Boudjema , Andreas Goudelis , Alexander Pukhov , Bryan Zaldivar

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 a new module of micrOMEGAs devoted to the computation of indirect signals from dark matter annihilation in any new model with a stable weakly interacting particle. The code provides the mass spectrum, cross-sections, relic…

High Energy Physics - Phenomenology · Physics 2011-01-17 G. Belanger , F. Boudjema , P. Brun , A. Pukhov , S. Rosier-Lees , P. Salati , A. Semenov

We present a new module of the micrOMEGAs package for the calculation of WIMP-nuclei elastic scattering cross sections relevant for the direct detection of dark matter through its interaction with nuclei in a large detector. With this new…

High Energy Physics - Phenomenology · Physics 2009-11-18 G. Belanger , F. Boudjema , A. Pukhov , A. Semenov

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 addition of new multiplets of fermions charged under the Standard Model gauge group is investigated, with the aim of identifying a possible dark matter candidate. These fermions are charged under $SU(2)\times U(1)$, and their quantum…

High Energy Physics - Phenomenology · Physics 2012-10-23 Andre de Gouvea , Wei-Chih Huang , Jennifer Kile

In the quest for indirect signals from dark matter annihilation, powerful computation codes are required. I report here a new code based on micrOMEGAs devoted to the analysis of such signals in term of Supersymmetry. It computes gamma rays…

Astrophysics · Physics 2007-05-23 Pierre Brun

We propose and study a new minimal model for two-component dark matter. The model contains only three additional fields, one fermion and two scalars, all singlets under the Standard Model gauge group. Two of these fields, one fermion and…

High Energy Physics - Phenomenology · Physics 2015-06-19 Sonja Esch , Michael Klasen , Carlos E. Yaguna

We explore a fermionic dark matter model with a possible extension of Standard Model (SM) of particle physics into two Higgs doublet model. Higgs doublets couple to the singlet fermionic dark matter (FDM) through a non renormalisable…

High Energy Physics - Phenomenology · Physics 2022-12-14 Amit Dutta Banik , Debasish Majumdar

We present a code that calculates the relic density of the LSP in the MSSM. All tree-level processes for the annihilation of the LSP are included as well as all possible coannihilation processes with neutralinos, charginos, sleptons,squarks…

High Energy Physics - Phenomenology · Physics 2009-11-07 G. Belanger , F. Boudjema , A. Pukhov , A. Semenov

It is shown that the 3-3-1 model with the minimal lepton content can work as two-Higgs-triplet 3-3-1 model while leaving the other scalars as inert particles responsible for dark matter. We study two cases of dark matter corresponding to…

High Energy Physics - Phenomenology · Physics 2015-06-25 P. V. Dong , C. S. Kim , D. V. Soa , N. T. Thuy

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

The direct searches for heavy scalar dark matter with a mass of order 100 GeV are much more sensitive than for light dark matter of order 1 GeV. The question arises whether dark matter could be light and has escaped detection so far. We…

High Energy Physics - Phenomenology · Physics 2021-08-30 Markos Maniatis

Micromegas is presently in use by many experiments providing enhanced performance when used in high particle environment. Compared with other solid-state detectors or conventional gas counters Micromegas is robust and radiation hard. Recent…

Instrumentation and Detectors · Physics 2008-11-26 I. Giomataris

The aim of the MIMAC project is to detect non-baryonic Dark Matter with a directional TPC. The recent Micromegas efforts towards building a large size detector will be described, in particular the characterization measurements of a…

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