Münster 2017 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 6: QCD

T 6.3: Vortrag

Montag, 27. März 2017, 17:15–17:30, VSH 10

Measurement of the Associated Production of W+c in 13 TeV pp-Collisions with the CMS Experiment — Benoit Roland, Katerina Lipka, and •Svenja Pflitsch — DESY

The measurement the of W+c production cross-section provides an opportunity to directly access the strange quark content of the proton at the electroweak scale.

This can lead to a significant reduction of the uncertainties connected to the strange-quark parton density functions.

We will focus on W → l ν and c → D^* as probes of W+c since both, W-boson and D-Meson, can be measured with good accuracy by the CMS-detector. Furthermore, the fragmentation of charm quarks into D-mesons is well measured.

The data taken by the CMS-experiment at the LHC in 2016 offers sufficient statistics for an analysis of the pseudorapidity-distribution of the muon in detail and thus for an investigation of strange-, antistrange-quark asymmetry.