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T: Fachverband Teilchenphysik

T 18: Beyond The Standard Model (Theorie) 2

T 18.5: Talk

Thursday, March 12, 2009, 17:45–18:00, M114

Spin Analysis for Gluino Decay — •Lisa Edelhäuser, Werner Porod, and Ritesh Singh — Institut für Theoretische Physik und Astrophysik, Universität Würzburg

We look at gluino production at the LHC and its decay into two top quarks and a neutralino: g→ ttχ. Our aim is to identify observables for a measurement of the spin of this gluino. In this context, we investigate the analogue of the so called Michel parameters which are used to describe the structure of couplings in leptonic decays of charged leptons. We consider two limits: in the first case, the intermediate particle is taken onshell, while in the second case, this particle is very heavy.