| Domaine : |
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Physique/Physique des Hautes Energies - Phénoménologie
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| Titre : |
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The processes of gluon fusion producing chargino or neutralino pairs at high energies |
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| Auteur(s) : |
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G. J. Gounaris1, Jacques Layssac ( )2, Fernand Michel Renard ()2 |
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| Laboratoire : |
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| Résumé : |
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According to the helicity conservation (HCns) theorem, the sum of the helicities should be conserved, in any 2-to-2 processes in MSSM with R-parity conservation, at high energies; i.e. all amplitudes violating this rule, must vanish asymptotically. The realization of HCns in gluon-fusion to charginos or neutralinos is studied, at the one loop electroweak order (EW), and simple high energy expressions are derived for the non-vanishing helicity conserving (HC) amplitudes. These are very similar to the corresponding expressions for $gg \to W^+W^-, ZZ, \gamma Z, \gamma\gamma $ derived before. Asymptotic relations among observable unpolarized cross sections for many such processes are then obtained, some of which may hold at LHC-type energies. |
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Langue du texte
intégral : |
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Anglais |
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Date de production,
écriture : |
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06/12/2010 |
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| Commentaire : |
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19 pages, 14 figures |
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| Référence interne : |
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LPTA:10-086 |
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