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T: Fachverband Teilchenphysik

T 11: Search for Supersymmetry I

T 11.1: Vortrag

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

Analysis of the viable parameter space in the phenomenological MSSM using clustering algorithms with the ATLAS detector. — •Markus Eck and Jeanette Lorenz — Ludwig-Maximilians-Universität München

Supersymmetry (SUSY) is a theoretical framework extending the Standard Model of particle physics, potentially solving several of its short-comings. In the search for supersymmetric particles with the ATLAS experiment at the LHC, typically, simplified models are considered, which contain a small number of parameters. These simplified models focus on specific SUSY production scenarios with very specific decays. Therefore, they may fail to capture effects that can result from the large number of competing production and decay processes present in more complete models. To resolve this, efforts are on-going to reinterpret searches for supersymmetric particles in the 19-parameter phenomenological MSSM (pMSSM).

This talk presents an analysis of the part of the pMSSM parameter space sensitive to electroweak supersymmetric particles. Models in this parameter space not excluded by the current ATLAS search program are analysed via clustering methods to find common properties. The gained insight will help to improve the future search program for supersymmetric particles.