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T: Fachverband Teilchenphysik

T 106: Top quarks: Single top production

T 106.4: Vortrag

Freitag, 3. April 2020, 11:45–12:00, L-4.001

Mesurement of top quark polarization in t-channel single top quark events and constraining anomalous Wtb couplings with the CMS-Experiment — •David Seith, Thorsten Chwalek, Thomas Müller, and Nils Faltermann — Institut für Experimentelle Teilchenphysik(ETP), Karlsruher Institut für Technologie (KIT)

Single top quarks are produced via electroweak production and are therefore polarized at the LHC. Their polarization is highly sensitive to anomalous contributions to the Wtb vertex. Deviations in the top quark polarization from the predictions of the Standard Model could therefore hint at new physics. In this talk a measurement of the top quark polarization using the data taken from 2016 to 2018 at a center-of-mass energy of 13 TeV at the CMS-Experiment is presented.