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Article
Open AccessSearch for pair production of heavy vector-like quarks decaying into high-pT W bosons and top quarks in the lepton-plus-jets final state in pp collisions at \( \sqrt{s}=13 \) TeV with the ATLAS detector
A search is presented for the pair production of heavy vector-like B quarks, primarily targeting B quark decays into a W boson and a top quark. The search is based on 36.1 fb−1 of pp collisions at ...
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Article
Open AccessSearch for charged Higgs bosons decaying via H± → τ±ντ in the τ+jets and τ+lepton final states with 36 fb−1 of pp collision data recorded at \( \sqrt{s}=13 \) TeV with the ATLAS experiment
Charged Higgs bosons produced either in top-quark decays or in association with a top-quark, subsequently decaying via H± → τ±ντ, are searched for in 36.1 fb−1 of proton-proton collision data at
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Article
Open AccessSearch for the Higgs boson produced in association with a vector boson and decaying into two spin-zero particles in the H → aa → 4b channel in pp collisions at \( \sqrt{s}=13 \) TeV with the ATLAS detector
A search for exotic decays of the Higgs boson into a pair of spin-zero particles, H → aa, where the a-boson decay sin to b-quarks promptly or with a mean proper lifetime cτa up to 6 mm and has a mass in the range...
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Article
Open AccessSearch for dark matter in events with a hadronically decaying vector boson and missing transverse momentum in pp collisions at \( \sqrt{s}=13 \) TeV with the ATLAS detector
A search for dark matter (DM) particles produced in association with a hadronically decaying vector boson is performed using pp collision data at a centre-of-mass energy of
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Article
Open AccessSearch for pair production of Higgs bosons in the \( b\overline{b}b\overline{b} \) final state using proton-proton collisions at \( \sqrt{s}=13 \) TeV with the ATLAS detector
A search for Higgs boson pair production in the b b ...
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Article
Open AccessThe study of light invisible particles in Bc decays
In this paper, we study the light scalar and pseudoscalar invisible particles in the flavor changing neutral current processes of the Bc meson. Effective operators are introduced to describe the couplings between...
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Article
Open AccessMeasurements of inclusive and differential fiducial cross-sections of \( t\overline{t} \) production with additional heavy-flavour jets in proton-proton collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
This paper presents measurements of t t ¯ ...
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Article
Open AccessSearch for Higgs boson pair production in the \( b\overline{b}W{W}^{*} \) decay mode at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for Higgs boson pair production in the b b ...
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Article
Open AccessCombinations of single-top-quark production cross-section measurements and |fLVVtb| determinations at \( \sqrt{s} \) = 7 and 8 TeV with the ATLAS and CMS experiments
This paper presents the combinations of single-top-quark production cross-section measurements by the ATLAS and CMS Collaborations, using data from LHC proton-proton collisions at
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Article
Open AccessSearch for Higgs boson pair production in the WW(*)WW(*) decay channel using ATLAS data recorded at \( \sqrt{\mathrm{s}} \) = 13 TeV
A search for a pair of neutral, scalar bosons with each decaying into two W bosons is presented using 36.1 fb−1 of proton-proton collision data at a centre-of-mass energy of 13 TeV recorded with the ATLAS detecto...
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Article
Open AccessConstraints on mediator-based dark matter and scalar dark energy models using \( \sqrt{s} \) = 13 TeV pp collision data collected by the ATLAS detector
Constraints on selected mediator-based dark matter models and a scalar dark energy model using up to 37 fb−1 ...
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Article
Open AccessMeasurement of VH, \( \mathrm{H}\to \mathrm{b}\overline{\mathrm{b}} \) production as a function of the vector-boson transverse momentum in 13 TeV pp collisions with the ATLAS detector
Cross-sections of associated production of a Higgs boson decaying into bottomquark pairs and an electroweak gauge boson, W or Z, decaying into leptons are measured as a function of the gauge boson transverse mome...
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Article
Open AccessSearch for single production of vector-like quarks decaying into Wb in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for singly produced vector-like quarks Q, where Q can be either a T quark with charge +2/3 or a Y quark with charge −4/3, is performed in proton–proton collision data at a centre-of-mass energy of 13 TeV...
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Article
Open AccessSearches for third-generation scalar leptoquarks in \( \sqrt{s} \) = 13 TeV pp collisions with the ATLAS detector
Limits are set on the pair production of scalar leptoquarks, where all possible decays of the leptoquark into a quark (t, b) and a lepton (τ, ν) of the third generation are considered. The limits are presented as...
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Article
Open AccessMeasurement of jet-substructure observables in top quark, W boson and light jet production in proton-proton collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A measurement of jet substructure observables is presented using data collected in 2016 by the ATLAS experiment at the LHC with proton-proton collisions at ...
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Article
Open AccessSearch for heavy neutral leptons in decays of W bosons produced in 13 TeV pp collisions using prompt and displaced signatures with the ATLAS detector
The problems of neutrino masses, matter-antimatter asymmetry, and dark matter could be successfully addressed by postulating right-handed neutrinos with Majorana masses below the electroweak scale. In this wor...
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Article
Open AccessSearch for bottom-squark pair production with the ATLAS detector in final states containing Higgs bosons, b-jets and missing transverse momentum
The result of a search for the pair production of the lightest supersymmetric partner of the bottom quark ...
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Article
Open AccessSearch for new resonances in mass distributions of jet pairs using 139 fb−1 of pp collisions at \( \sqrt{\mathrm{s}} \) = 13 TeV with the ATLAS detector
A search for new resonances decaying into a pair of jets is reported using the dataset of proton-proton collisions recorded at ...
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Article
Open AccessSearch for squarks and gluinos in final states with same-sign leptons and jets using 139 fb−1 of data collected with the ATLAS detector
A search for supersymmetric partners of gluons and quarks is presented, involving signatures with jets and either two isolated leptons (electrons or muons) with the same electric charge, or at least three isol...
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Article
Open AccessCombination of the W boson polarization measurements in top quark decays using ATLAS and CMS data at \( \sqrt{s} \) = 8 TeV
The combination of measurements of the W boson polarization in top quark decays performed by the ATLAS and CMS collaborations is presented. The measurements are based on proton-proton collision data produced a...