Münster 2017 – scientific programme

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T: Fachverband Teilchenphysik

T 54: Suche nach neuen Teilchen 3

T 54.9: Talk

Tuesday, March 28, 2017, 18:45–19:00, JUR 2

Status of the search for excited bottom quarks decaying to tW at √s = 13 TeV — •Alexander Froehlich, Johannes Haller, and Roman Kogler — Universität Hamburg

A search is presented for an excited b quark (b^∗) decaying to tW, singly produced in proton-proton collisions at √s = 13 TeV. The data used has been recorded with the CMS experiment in 2016. The search is performed in the semi-leptonic channel for b^∗ masses ranging from 1200 GeV to 3000 GeV. For increasing b^∗ masses, the resulting top quark decay products have an increasing probability to be merged into a single jet. In order to achieve high selection efficiency over the whole mass region, a new top tagger, the Heavy Object Tagger with Variable R (HOTVR), is tested and its performance is compared to standard algorithms used in CMS.