Stop-antistop and sbottom-antisbottom production at LHC: a one-loop search for model parameters dependence Auteur(s): Beccaria M., Macorini G., Panizzi L., Renard F. M., Verzegnassi C. (Article) Publié: International Journal Of Modern Physics A, vol. 23 p.4779-4810 (2008) Texte intégral en Openaccess : Ref HAL: hal-00489469_v1 Ref Arxiv: 0804.1252 DOI: 10.1142/S0217751X08041694 Ref. & Cit.: NASA ADS Exporter : BibTex | endNote 23 citations Résumé: We have computed the one-loop electroweak expression of diagonal and non diagonal stop-antistop and sbottom-antisbottom production from initial state gluons at LHC. We have investigated the possibility that the one-loop effects exhibit a dependence on "extra" supersymmetric parameters different from the final squark masses. Our results, given for a choice of twelve SUSY benchmark points in the MSSM with mSUGRA symmetry breaking, show that in some cases a mild dependence might arise, at the percent relative level, of not simple experimental detection. Commentaires: 44 pages, 23 eps figures |