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Hamburg 2016 – scientific programme

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T: Fachverband Teilchenphysik

T 81: BSM Suchen V (Leptoquarks und exotische top-Quarks)

T 81.5: Talk

Wednesday, March 2, 2016, 17:45–18:00, VMP9 SR 28

Search for pair production of leptoquarks decaying into a top quark and a tau lepton at the CMS experimentJohannes Haller, Roman Kogler, Thomas Peiffer, Arne Reimers, and •Marc Stöver — Institut für Experimentalphysik, Universität Hamburg

A search for third generation leptoquarks at the LHC is presented. Leptoquarks are hypothetical gauge bosons which are predicted by many theories beyond the standard model. They couple to both quarks and leptons. In this analysis, the pair production of leptoquarks decaying into a top quark and a tau lepton is studied.
We focus on the lepton + jets channel where one of the top quarks decays hadronically and the other one leptonically. The study uses the full dataset of the year 2015 which was collected with the CMS detector at √s=13 TeV. The event selection is optimized such that the standard model background is reduced as much as possible. Finally, the expected limits on the leptoquark production cross section with the current and the forthcoming datasets will be discussed.

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