Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2002-02-27
JHEP 0205:030,2002
Physics
High Energy Physics
High Energy Physics - Phenomenology
LaTex, 15 pages, 8 figures, uses JHEP3.cls (included), v2, improved discussion of gluino -> stop_1 c-quark, conclusions unchan
Scientific paper
10.1088/1126-6708/2002/05/030
We show that the decay gluino -> stop_1 b-quark W is important and can even be dominant in the region of parameter space where it is kinematically allowed. We discuss phenomenological implications within the Minimal Supersymmetric Standard Model and models with broken R-parity. We consider the flavour diagonal case as well as a possible mixing between squarks of different generations. In the latter case also the decay gluino -> stop_1 c-quark is potentially important. We show that the decay gluino -> stop_1 b-quark W is sensitive to the stop mixing angle. Furthermore we demonstrate that in scenarios with a higgsino--like LSP the gluino decays mainly into final states containing top quarks or a light stop if allowed by kinematics.
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