Münster 2017 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 51: Top Quark 3 (Produktion)

T 51.2: Vortrag

Dienstag, 28. März 2017, 17:00–17:15, JUR 4

Measurement of differential cross-sections of a single top quark produced in association with a W boson with ATLAS at √s = 13 TeV — •Rui Zhang, Ian C. Brock, and Regina Moles Valls — Rheinische Friedrich-Wilhelms-Universität Bonn

The cross-section to produce a W boson in association with a top quark is measured differentially with respect to several particle-level final-state observable quantities. The measurements are performed using 36.2 fb⁻¹ of pp collision data with √s = 13 TeV collected in 2015 and 2016. Cross-sections are measured in a fiducial phase-space defined by the presence of two charged leptons and exactly one jet identified as containing a B hadron. Absolute cross-sections are presented as well as measurements normalised to the fiducial cross-section, for which several of the main uncertainties cancel. Results are compared with predictions from Monte Carlo generators.