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- Benjamin C. Allanach, C. Balázs, +17 authors J. Lykken
- Computer Physics Communications
- 2009

The Supersymmetry Les Houches Accord (SLHA) [1] provides a universal set of conventions for conveying spectral and decay information for supersymmetry analysis problems in high energy physics. Here, we propose extensions of the conventions of the first SLHA to include various generalisations: the minimal supersymmetric standard model with violation of CP,… (More)

- G. Bélanger, F. Boudjema, Alexander Pukhov, A. V. Semenov
- Computer Physics Communications
- 2006

We present the latest version of micrOMEGAs, a code that calculates the relic density of the lightest supersymmetric particle (LSP) in the minimal supersymmetric standard model (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… (More)

- G. Bélanger, F. Boudjema, +4 authors Yuki Shimizu
- 2003

A general non-linear gauge condition is implemented into GRACE, an automated system for the calculation of physical processes in high-energy physics. These new gauge-fixing conditions are used as a very efficient means to check the results of large scale automated computation in the standard model. We describe in detail the implementation of the general… (More)

- G. Bélanger, F. Boudjema, +13 authors Dirk Zerwas
- 2004

The work contained herein constitutes a report of the “Beyond the Standard Model” working group for the Workshop “Physics at TeV Colliders”, Les Houches, France, 26 May–6 June, 2003. The research presented is original, and was performed specifically for the workshop. Tools for calculations in the minimal supersymmetric standard model are presented,… (More)

- N I Baro, F. Boudjema, A. V. Semenov
- 2008

We show the impact of the electroweak, and in one instance the QCD, one-loop corrections on the relic density of dark matter in the MSSM which is provided by the lightest neutralino. We cover here some of the most important scenarii: annihilation into fermions for a bino-like neutralino, annihilation involving gauge bosons in the case of a mixed neutralino,… (More)

- Djaafer Lalili, Nabil Lourci, E. M. Berkouk, F. Boudjema, Jurgen Petzoldt, M. Dali
- International Symposium on Power Electronics…
- 2006

In this paper, a simplified space vector pulse with modulation (SVPWM) method for the five level diode clamping voltage source inverter is presented. The space vector diagram of the five level inverter is simplified into that of a three level inverter. In turn, the three level inverter space vector diagram is simplified into that of two level inverter.… (More)

Exploiting the azimuthal angle dependence of the density matrices we construct observables that directly measure the spin of a heavy unstable particle. A novelty of the approach is that the analysis of the azimuthal angle dependence in a frame other than the usual helicity frame offers an independent cross-check on the extraction of the spin. Moreover, in… (More)

If future colliders discover supersymmetric particles and probe their properties, one could predict the dark matter density of the Universe and would constrain cosmology with the help of precision data provided by WMAP and PLANCK. We investigate how well the relic density can be predicted in minimal supergravity (mSUGRA), with and without the assumption of… (More)

- G. Bélanger, F. Boudjema, Alexander Pukhov, A. V. Semenov
- Computer Physics Communications
- 2009

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 module, the computation of the direct detection rate is performed automatically for a generic model of new physics which… (More)

We list the set of C and P conserving anomalous quartic vector bosons self-couplings which can be tested at LEP2 through triple vector boson production. We show how this set can be embedded in manifestly SU(2) × U(1) gauge invariant operators exhibiting an SU(2)c global symmetry. We derive bounds on these various couplings and show the most relevant… (More)