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

Aaboud, M ; Aad, G ; Abbott, B. ; Abdinov, O ; Abeloos, B ; Abidi, S. H. ; Åkesson, Torsten LU orcid ; Bocchetta, Simona LU ; Corrigan, Eric LU and Doglioni, Caterina LU , et al. (2018) In Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 781. p.327-348
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... (More)
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. © 2018 The Author (Less)
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author collaboration
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
volume
781
pages
22 pages
publisher
Elsevier
external identifiers
  • scopus:85045906794
ISSN
0370-2693
DOI
10.1016/j.physletb.2018.03.036
language
English
LU publication?
yes
additional info
Export Date: 4 May 2018
id
6436b13f-4f0b-4bc9-92b2-a97f9e1f4410
date added to LUP
2018-05-04 07:20:55
date last changed
2023-04-08 11:46:08
@article{6436b13f-4f0b-4bc9-92b2-a97f9e1f4410,
  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. © 2018 The Author}},
  author       = {{Aaboud, M and Aad, G and Abbott, B. and Abdinov, O and Abeloos, B and Abidi, S. H. and Åkesson, Torsten and Bocchetta, Simona and Corrigan, Eric and Doglioni, Caterina and Brottmann Hansen, Eva and Hedberg, Vincent and Jarlskog, Göran and Kalderon, Charles and Kellermann, Edgar and Konya, Balazs and Lytken, Else and Mankinen, Katja and Mjörnmark, Ulf and Pöttgen, Ruth and Poulsen, Trine and Smirnova, Oxana and Viazlo, Oleksandr}},
  issn         = {{0370-2693}},
  language     = {{eng}},
  pages        = {{327--348}},
  publisher    = {{Elsevier}},
  series       = {{Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics}},
  title        = {{Search for W′ → tb decays in the hadronic final state using pp collisions at s=13TeV with the ATLAS detector}},
  url          = {{http://dx.doi.org/10.1016/j.physletb.2018.03.036}},
  doi          = {{10.1016/j.physletb.2018.03.036}},
  volume       = {{781}},
  year         = {{2018}},
}