Münster 2017 – scientific programme
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T: Fachverband Teilchenphysik
T 104: Suche nach neuen Teilchen 5
T 104.3: Talk
Thursday, March 30, 2017, 17:15–17:30, JUR 2
Search for heavy resonances decaying to a neutrino and a tau lepton using hadronic tau decays at ATLAS — •Christos Vergis, William Davey, and Jochen Dingfelder — Physikalisches Institut, Nussallee 12, Bonn
Many models beyond the Standard Model predict the existence of new heavy, charged (W′) and neutral (Z′) gauge bosons. In case of leptonic W′ decays, the signature in the detector is a high-pT lepton and large missing transverse energy from the emitted neutrino. Although searches for W′→ (e / µ)ν are more sensitive than W′→ τ ν for a universal coupling to leptons, decays with a tau lepton are well suited to investigate models in which the W′ bosons couple predominantly to third generation fermions.
This talk presents preparations of a search for W′→ τ ν decays with a hadronically decaying tau lepton, using 2015 and 2016 pp-collision data at a center-of-mass energy of √s=13 TeV collected with the ATLAS detector at the Large Hadron Collider. The expected limits to the cross-sections are derived from simulation considering a Sequential Standard Model scenario, where the W′ bosons have the same couplings as the Standard Model W bosons.