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1 LPC - Laboratoire de Physique Corpusculaire - Clermont-Ferrand

Abstract : A search for squarks and gluinos performed by the CDF and DØ collaborations is presented. The sample taken during the RunII of the Fermilab TeVatron collider at ps = 1.96 TeV is used. Supersymmetry SUSY is one of the most promising ways to solve crucial problems of the Standard Model SM. This spacetime symmetry links bosons to fermions by introducing supersymmetric partners sparticles to all SM particles: squarks and gluinos are SUSY partners of quarks and gluons. The mass difference between the squark mass eigenstates depend on the mass of the corresponding quark. Hence squarks are to a good approximation mass degenerate for the two first generations whereas a potentially large mixing may appear for the third family, leading to a light stop. The former case corresponds to squarks and gluinos searches whereas dedicated searches for stop are performed for the latter.





Autor: P. Gris -

Fuente: https://hal.archives-ouvertes.fr/



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