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T: Fachverband Teilchenphysik

T 53: Suche nach Neuen Teilchen III

T 53.1: Vortrag

Mittwoch, 27. März 2019, 16:00–16:15, H07

Search for Excited Leptons in the 2-Lepton + 2-Jet Final State with CMS — •Jonas Roemer, Thomas Hebbeker, and Kerstin Hoepfner — III. Physikalisches Institut A, RWTH Aachen University

This talk presents a new search for excited leptons using data collected by the CMS detector. The theory is based on compositeness models and allows the production of excited leptons via contact interactions in conjunction with a Standard Model lepton. It would provide an explanation for the observed hierarchy of three generations of fermions. This search features a new decay mode of the excited leptons into one lepton and two jets via a contact interaction.

We present limits based on the full 2016 and 2017 proton-proton dataset corresponding to a luminosity of 77.4 fb⁻¹ at a center of mass energy of √s = 13 TeV.