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Search for W′ → tb decays in the hadronic final state using pp collisions at √s = 13 TeV with the ATLAS detector

ContributorsATLAS Collaboration
Published inPhysics Letters. B
Collection
  • Open Access - SCOAP3
Publication date2018
Abstract

A search for W′ -boson production in the W′→tb¯→qq¯′bb¯ decay channel is presented using 36.1fb−1 of 13 TeV proton–proton collision data collected by the ATLAS detector at the Large Hadron Collider in 2015 and 2016. The search is interpreted in terms of both a left-handed and a right-handed chiral W′ boson within the mass range 1–5 TeV. Identification of the hadronically decaying top quark is performed using jet substructure tagging techniques based on a shower deconstruction algorithm. No significant deviation from the Standard Model prediction is observed and the results are expressed as upper limits on the W′→tb¯ production cross-section times branching ratio as a function of the W′ -boson mass. These limits exclude W′ bosons with right-handed couplings with masses below 3.0 TeV and W′ bosons with left-handed couplings with masses below 2.9 TeV, at the 95% confidence level.

Citation (ISO format)
ATLAS Collaboration. Search for W′ → tb decays in the hadronic final state using pp collisions at √s = 13 TeV with the ATLAS detector. In: Physics Letters. B, 2018. doi: 10.1016/j.physletb.2018.03.036
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Article (Published version)
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ISSN of the journal0370-2693
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Creation07/05/2018 08:24:01
First validation07/05/2018 08:24:01
Update time15/03/2023 08:11:38
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