Search for vector-boson resonances decaying into a top quark and a bottom quark using pp collisions at $ \sqrt{s} $ = 13 TeV with the ATLAS detector - INSPIRE

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Search for vector-boson resonances decaying into a top quark and a bottom quark using pp collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector

ATLAS

Collaboration

Aug 16, 2023

60 pages

Published in:

JHEP 12 (2023) 073

Published: Dec 12, 2023

e-Print:

2308.08521 [hep-ex]

DOI:

10.1007/JHEP12(2023)073

PDG: Mass Limits for

{{\mathit W}^{\,'}}

(Heavy Charged Vector Boson Other Than

{{\mathit W}}

) in Hadron Collider Experiments

Report number:

CERN-EP-2023-149

Experiments:

CERN-LHC-ATLAS,
CERN-LHC-ATLAS

View in:

reference search22 citations

Citations per year

Abstract: (Springer)

A search for a new massive charged gauge boson, W′, is performed with the ATLAS detector at the LHC. The dataset used in this analysis was collected from proton-proton collisions at a centre-of-mass energy of

\sqrt{s}

= 13 TeV, and corresponds to an integrated luminosity of 139 fb

^{−1}

. The reconstructed tb invariant mass is used to search for a W′ boson decaying into a top quark and a bottom quark. The result is interpreted in terms of a W′ boson with purely right-handed or left-handed chirality in a mass range of 0.5–6 TeV. Different values for the coupling of the W′ boson to the top and bottom quarks are considered, taking into account interference with single-top-quark production in the s-channel. No significant deviation from the background prediction is observed. 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 and in the plane of the coupling vs the W′-boson mass.[graphic not available: see fulltext]

Note:

60 pages in total, author list starting page 43, 14 figures, and 6 tables. All figures including auxiliary figures are available at https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/EXOT-2021-36

Beyond Standard Model
Hadron-Hadron Scattering
p p: scattering
p p: colliding beams
resonance: production
vector boson: search for
resonance: hadronic decay
W': hadroproduction
W': hadronic decay
top: particle identification

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