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T: Fachverband Teilchenphysik

T 11: Search for Supersymmetry I

T 11.4: Vortrag

Montag, 15. März 2021, 16:45–17:00, Tk

Modelling Pair Production of Top Squarks with Decays via Tau Sleptons in the pMSSM — •Christoph Ames and Alexander Mann — Ludwig-Maximilians-Universität, Munich, Germany

The phenomenological Minimal Supersymmetric Standard Model (pMSSM) is a simplified supersymmetric model that allows for a systematic probing of its parameter space due to its heavily reduced number of parameters. This work focuses on the comparison of three simplified models in the context of the pMSSM, in which a stop decays via either a stau or a tau-sneutrino. The lightest supersymmetric particle is either a gravitino or a neutralino. These models are used to get an understanding of how different particle decays are influenced by the parameters of the pMSSM, and to find the boundaries for each model's phase space. Decay modes that compete with the simplified models are also studied to determine how to suppress them. These comparisons are performed using random samples of model points, which are configurations of particle masses and decay modes uniquely defined by sets of pMSSM parameter values. The phase space of the model generation has been adjusted to increase the likelihood that the model points will contain the simplified models, whilst still allowing for an uncompromising study.