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Search for vector-boson resonances decaying to a top quark and bottom quark in the lepton plus jets final state in pp collisions at vs=13TeV with the ATLAS detector
journal contribution
posted on 2023-06-09, 18:52 authored by N L Abraham, Benedict AllbrookeBenedict Allbrooke, Lily AsquithLily Asquith, Alessandro CerriAlessandro Cerri, Samuel Jones, Antonella De SantoAntonella De Santo, Fabrizio SalvatoreFabrizio Salvatore, Kate ShawKate Shaw, Thomas StevensonThomas Stevenson, K Suruliz, Mark SuttonMark Sutton, Fabio Tresoldi, Fabrizio Trovato, Iacopo Vivarelli, E Winkels, The ATLAS Collaboration, othersA search for new charged massive gauge bosons, W_, is performed with the ATLAS detector at the LHC. Data were collected in proton–proton collisions at a center-of-mass energy of vs=13TeVand correspond to an integrated luminosity of 36.1fb-1. This analysis searches for W_bosons in the W_?t¯bdecay channel in final states with an electron or muon plus jets. The search covers resonance masses between 0.5 and 5.0TeVand considers right-handed W_bosons. No significant deviation from the Standard Model (SM) expectation is observed and upper limits are set on the W_?t¯bcross section times branching ratio and the W_boson effective couplings as a function of the W_boson mass. For right-handed W_bosons with coupling to the SM particles equal to the SM weak coupling constant, masses below 3.15TeVare excluded at the 95% confidence level. This search is also combined with a previously published ATLAS result for W_?t¯bin the fully hadronic final state. Using the combined searches, right-handed W_bosons with masses below 3.25TeVare excluded at the 95% confidence level.
History
Publication status
- Published
File Version
- Published version
Journal
Physics Letters BISSN
0370-2693Publisher
ElsevierExternal DOI
Volume
788Page range
347-370Department affiliated with
- Physics and Astronomy Publications
Full text available
- Yes
Peer reviewed?
- Yes
Legacy Posted Date
2019-09-18First Open Access (FOA) Date
2019-09-18First Compliant Deposit (FCD) Date
2019-09-02Usage metrics
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