SMuK 2023 – scientific programme

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T: Fachverband Teilchenphysik

T 134: Higgs, Di-Higgs IV

T 134.2: Talk

Thursday, March 23, 2023, 17:45–18:00, HSZ/0105

Charge-asymmetry measurement in WH(ττ) events — •Ralf Schmieder, Nicolo Trevisani, Nils Faltermann, Markus Klute, Roger Wolf, Xunwu Zuo, Sebastian Brommer, Maximilian Burkart, and Günter Quast — Karlsruher Institut für Technologie, Karlsruhe, Deutschland

At the LHC, an asymmetry in W⁺ H and W⁻ H production is expected as the parton distribution functions (PDFs) favour the production of positively-charged W bosons in proton-proton collisions. The measurement of the WH charge asymmetry provides a consistency test for the Standard Model (SM), as it is sensitive to enhanced Yukawa couplings to the first and more so to second generation quarks like the c quark. The production of an H in association with a W boson can happen through the exchange of a c quark in the t channel. Experimentally, the WH charge asymmetry measurement is independent of any challenging c jet tagging algorithms. This talk reports the status of this measurement in the channel where the Higgs boson decays into a pair of τ leptons.