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Effective squark/chargino/neutralino couplings: MadGraph implementation
Abrahantes, Arian; Guasch Inglada, Jaume; Peñaranda Rivas, Siannah; Sánchez-Florit, Raül
Universitat de Barcelona
We have included the effective description of squark interactions with charginos/neutralinos in the MadGraph MSSM model. This effective description includes the effective Yukawa couplings, and another logarithmic term which encodes the supersymmetry-breaking. We have performed an extensive test of our implementation analyzing the results of the partial decay widths of squarks into charginos and neutralinos obtained by using FeynArts/FormCalc programs and the new model file in MadGraph. We present results for the cross-section of top-squark production decaying into charginos and neutralinos.
25-06-2013
Acceleradors de partícules
Partícules (Física nuclear)
Mètode de Montecarlo
Supersimetria
Particle accelerators
Particles (Nuclear physics)
Monte Carlo method
Supersymmetry
(c) Società Italiana di Fisica & Springer Verlag, 2013
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