Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2011-07-11
Physics
High Energy Physics
High Energy Physics - Phenomenology
v2: A few references, a plot indicating used parameters, discussion about the role of parameters in determination of the stop
Scientific paper
So far the squarks have not been detected at the LHC indicating that they are heavier than a few hundred GeVs, if they exist. The lighter stop can be considerably lighter than the other squarks. We study the possibility that a supersymmetric partner of the top quark, stop, is the next-to-lightest supersymmetric particle in the constrained supersymmetric standard model. Various constraints, on top of the mass limits, are taken into an account, and the allowed parameter space for this scenario is determined. Observing stop which is the next-to-lightest supersymmetric particle at the LHC may be difficult.
Huitu Katri
Laamanen Jari
Leinonen Lasse
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