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author = "Belanger, G"
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Found 116 documents, displaying page 1 of 12

On Detecting Transients

Author(s) : Belanger, G.
Description : Transient phenomena are interesting and potentially highly revealing of details about the processes under observation and study that could otherwise go unnoticed. It is therefore important to maximise the sensitivity of the method used to identify such events. In this article we present a general ...
Repository : arXiv
Language(s) : Undetermined

micrOMEGAs and the relic density in the MSSM

Author(s) : Belanger, G.
Description : 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 cross-sections extracted from CompHEP are calculated exactly. R...
Repository : arXiv
Language(s) : Undetermined

Symmetry breaking and electroweak physics at Photon Linear Colliders

Author(s) : Bélanger, G.
Description : The physics potential of a high-energy photon collider is reviewed. The emphasis is put on aspects related to the symmetry breaking sector, including Higgs searches and production of longitudinal vector bosons. , Comment: LATEX, 12 pages, 3 fig, macros included, no changes in paper
Repository : arXiv
Language(s) : Undetermined

Dark matter and the LHC

Author(s) : Bélanger, G.
Description : Cosmological and astrophysical measurements indicate that the universe contains a large amount of dark matter. A number of weak scale dark matter candidates have been proposed in extensions of the standard model. The potential to discover the dark matter particle and determine its properties at th...
Repository : arXiv
Language(s) : Undetermined

The MSSM invisible Higgs in the light of dark matter and g-2

Author(s) : Belanger, G , Boudjema, F , Cottrant, A , Godbole, RM , Semenov, A
Description : Giving up the assumption of the gaugino mass unification at the GUT scale, the latest LEP and Tevatron data still allow the lightest supersymmetric Higgs to have a large branching fraction into invisible neutralinos. Such a Higgs may be difficult to discover at the LHC and is practically unreachable...
Repository : ePrints@IISc repository
Language(s) : Undetermined

SUSY Higgs at the LHC: Effects of light charginos and neutralinos

Author(s) : Belanger, G , Boudjema, F , Donato, F , Godbole, R , Rosier-Lees, S
Description : In view of the latest LEP data we consider the effects of charginos and neutralinos on the two-photon and bbbar signatures of the Higgs at the LHC. Assuming the usual GUT inspired relation between M_1 and M_2 we show that there are only small regions with moderate tanbeta and large stop mixings that...
Repository : ePrints@IISc repository
Language(s) : Undetermined

micrOMEGAs: A program for calculating the relic density in the MSSM

Author(s) : Belanger, G. , Boudjema, F. , Pukhov, A. , Semenov, A.
Description : 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 and gluinos. In all we have included over 2800 processes ...
Repository : arXiv
Language(s) : Undetermined

Invisible Decays of the Supersymmetric Higgs and Dark Matter

Author(s) : Boudjema, F. , Bélanger, G. , Godbole, R. M.
Description : We discuss effects of the light sparticles on decays of the lightest Higgs in a supersymmetric model with nonuniversal gaugino masses at the high scale, focusing on the `invisible' decays into neutralinos. These can impact significanlty the discovery possibilities of the lightest Higgs at the LHC....
Repository : arXiv
Language(s) : Undetermined

micrOMEGAs: recent developments

Author(s) : Belanger, G. , Boudjema, F. , Pukhov, A. , Semenov, A.
Description : 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 dependence on the RGE code used to calculate the soft parameters i...
Repository : arXiv
Language(s) : Undetermined

micrOMEGAs: Version 1.3

Author(s) : Belanger, G. , Boudjema, F. , Pukhov, A. , Semenov, A.
Description : 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 coannihilation processes with neutralinos, charginos, sleptons, s...
Repository : arXiv
Language(s) : Undetermined
1 2 3 4 5 > >>

Found 116 documents, displaying page 1 of 12