Search for single-production of vector-like quarks decaying into Wb in the fully hadronic final state in pp collisions at √𝑠 = 13 TeV with the ATLAS detector
A search for T and Y vector-like quarks produced in proton-proton collisions at a centre-of-mass energy of 13 TeV and decaying into Wb in the fully hadronic final state is presented. The search uses 139 fb−1 of data collected by the ATLAS detector at the LHC from 2015 to 2018. The final state is cha...
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| Main Authors: | , , , , , , , , , , , , , , , , |
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| Corporate Author: | |
| Format: | Article (Journal) |
| Language: | English |
| Published: |
12 February 2025
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| In: |
Journal of high energy physics
Year: 2025, Issue: 2, Pages: 1-44 |
| ISSN: | 1029-8479 |
| DOI: | 10.1007/JHEP02(2025)075 |
| Online Access: | Verlag, kostenfrei, Volltext: https://doi.org/10.1007/JHEP02(2025)075 Verlag, kostenfrei, Volltext: https://link.springer.com/article/10.1007/JHEP02(2025)075 
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| Author Notes: | the ATLAS collaboration |
MARC
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| 245 | 1 | 0 | |a Search for single-production of vector-like quarks decaying into Wb in the fully hadronic final state in pp collisions at √ = 13 TeV with the ATLAS detector |c the ATLAS collaboration |
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| 246 | 3 | 3 | |a Search for single-production of vector-like quarks decaying into Wb in the fully hadronic final state in pp collisions at square root s = 13 TeV with the ATLAS detector |
| 264 | 1 | |c 12 February 2025 | |
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| 500 | |a The ATLAS collaboration: G. Aad, A. Ackermann, L.M. Baltes, F. Bartels, S. Dittmeier, M. Dunford, S. Franchino, T. Junkermann, T. Mkrtchyan, P. Ott, D. F. Rassloff, L. Sanfilippo, H.-C. Schultz-Coulon, V. Sothilingam, R. Stamen, S. Weber, M. Wessels und weitere 2383 | ||
| 500 | |a Gesehen am 12.11.2025 | ||
| 520 | |a A search for T and Y vector-like quarks produced in proton-proton collisions at a centre-of-mass energy of 13 TeV and decaying into Wb in the fully hadronic final state is presented. The search uses 139 fb−1 of data collected by the ATLAS detector at the LHC from 2015 to 2018. The final state is characterised by a hadronically decaying W boson with large Lorentz boost and a b-tagged jet, which are used to reconstruct the invariant mass of the vector-like quark candidate. The main background is QCD multijet production, which is estimated using a data-driven method. Upon finding no significant excess in data, mass limits at 95% confidence level are obtained as a function of the global coupling parameter, κ. The observed lower limits on the masses of Y quarks with κ = 0.5 and κ = 0.7 are 2.0 TeV and 2.4 TeV, respectively. For T quarks, the observed mass limits are 1.4 TeV for κ = 0.5 and 1.9 TeV for κ = 0.7. | ||
| 650 | 4 | |a Beyond Standard Model | |
| 650 | 4 | |a Hadron-Hadron Scattering | |
| 650 | 4 | |a Proton-Proton Scattering | |
| 650 | 4 | |a Vector-Like Quarks | |
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