46 Result(s)
within
English
Astronomy, Astrophysics and Cosmology
**n-ran Dong
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Article
Open AccessObservation of electroweak production of two jets in association with an isolated photon and missing transverse momentum, and search for a Higgs boson decaying into invisible particles at 13 \(\text {TeV}\) with the ATLAS detector
This paper presents a measurement of the electroweak production of two jets in association with a \(Z\gamma \) ...
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Open AccessPerformance of the ATLAS Level-1 topological trigger in Run 2
During LHC Run 2 (2015–2018) the ATLAS Level-1 topological trigger allowed efficient data-taking by the ATLAS experiment at luminosities up to 2.1 ...
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Open AccessConfiguration and performance of the ATLAS b-jet triggers in Run 2
Several improvements to the ATLAS triggers used to identify jets containing b-hadrons (b-jets) were implemented for data-taking during Run 2 of the Large Hadron Collider from 2016 to 2018. These changes include r...
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Open AccessSearch for R-parity-violating supersymmetry in a final state containing leptons and many jets with the ATLAS experiment using \(\sqrt{s} = 13\hbox { TeV}\) proton–proton collision data
A search for R-parity-violating supersymmetry in final states characterized by high jet multiplicity, at least one isolated light lepton and either zero or at least three b-tagged jets is presented. The search us...
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Open AccessSearch for dark matter produced in association with a single top quark in \(\sqrt{s}=13\) TeV \(pp\) collisions with the ATLAS detector
This paper presents a search for dark matter in the context of a two-Higgs-doublet model together with an additional pseudoscalar mediator, a, which decays into the dark-matter particles. Processes where the pseu...
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Open AccessMeasurement of single top-quark production in association with a W boson in the single-lepton channel at \(\sqrt{s} = 8\,\text {TeV}\) with the ATLAS detector
The production cross-section of a top quark in association with a W boson is measured using proton–proton collisions at $$\sqrt{s} = 8\,\text ...
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Open AccessJet energy scale and resolution measured in proton–proton collisions at \(\sqrt{s}=13\) TeV with the ATLAS detector
Jet energy scale and resolution measurements with their associated uncertainties are reported for jets using 36–81 fb \(^{-1}\) ...
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Open AccessSearch for squarks and gluinos in final states with one isolated lepton, jets, and missing transverse momentum at \(\sqrt{s}=13\) TeV with the ATLAS detector
The results of a search for gluino and squark pair production with the pairs decaying via the lightest charginos into a final state consisting of two W bosons, the lightest neutralinos (
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Article
Open AccessMuon reconstruction and identification efficiency in ATLAS using the full Run 2 pp collision data set at \(\sqrt{s}=13\) TeV
This article documents the muon reconstruction and identification efficiency obtained by the ATLAS experiment for 139 \(\hbox {fb}^{-1}\) ...
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Open AccessOptimisation of large-radius jet reconstruction for the ATLAS detector in 13 TeV proton–proton collisions
Jet substructure has provided new opportunities for searches and measurements at the LHC, and has seen continuous development since the optimization of the large-radius jet definition used by ATLAS was perform...
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Open AccessSearch for heavy resonances decaying into a pair of Z bosons in the \(\ell ^+\ell ^-\ell '^+\ell '^-\) and \(\ell ^+\ell ^-\nu {{\bar{\nu }}}\) final states using 139 \(\mathrm {fb}^{-1}\) of proton–proton collisions at \(\sqrt{s} = 13\,\) TeV with the ATLAS detector
A search for heavy resonances decaying into a pair of Z bosons leading to \(\ell ^+\ell ^-\ell '^+\ell '^-\) ...
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Open AccessSearch for pair production of scalar leptoquarks decaying into first- or second-generation leptons and top quarks in proton–proton collisions at \(\sqrt{s}\) = 13 TeV with the ATLAS detector
A search for pair production of scalar leptoquarks, each decaying into either an electron or a muon and a top quark, is presented. This is the first leptoquark search using ATLAS data to investigate top-philic...
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Article
Open AccessSearch for type-III seesaw heavy leptons in dilepton final states in pp collisions at \( \sqrt{s} = 13\,{\text {TeV}} \) with the ATLAS detector
A search for the pair production of heavy leptons as predicted by the type-III seesaw mechanism is presented. The search uses proton–proton collision data at a centre-of-mass energy of 13 TeV, corresponding to ...
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Open AccessSearch for phenomena beyond the Standard Model in events with large b-jet multiplicity using the ATLAS detector at the LHC
A search is presented for new phenomena in events characterised by high jet multiplicity, no leptons (electrons or muons), and four or more jets originating from the fragmentation of b-quarks (b-jets). The search...
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Open AccessAlignment of the ATLAS Inner Detector in Run 2
The performance of the ATLAS Inner Detector alignment has been studied using pp collision data at \(\sqrt{s} = 13\,\hbox {TeV}\) ...
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Open AccessSearch for heavy diboson resonances in semileptonic final states in pp collisions at \(\sqrt{s}=13\) TeV with the ATLAS detector
This paper reports on a search for heavy resonances decaying into WW, ZZ or WZ using proton–proton collision data at a centre-of-mass energy of ...
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Open AccessSearch for top squarks in events with a Higgs or Z boson using 139 fb \(^{-1}\) of pp collision data at \(\sqrt{s}=13\) TeV with the ATLAS detector
This paper presents a search for direct top squark pair production in events with missing transverse momentum plus either a pair of jets consistent with Standard Model Higgs boson decay into b-quarks or a same-fl...
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Open AccessMeasurements of the Higgs boson inclusive and differential fiducial cross sections in the 4 \(\ell \) decay channel at \(\sqrt{s}\) = 13 TeV
Inclusive and differential fiducial cross sections of the Higgs boson are measured in the \(H \rightarrow ZZ^{*} \rightarrow 4\ell \) ...
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Open AccessSearch for a scalar partner of the top quark in the all-hadronic \(t{\bar{t}}\) plus missing transverse momentum final state at \(\sqrt{s}=13\) TeV with the ATLAS detector
A search for direct pair production of scalar partners of the top quark (top squarks or scalar third-generation up-type leptoquarks) in the all-hadronic \(t{\bar{t}}\)tt¯ plus missing transverse momentum final st...
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Open AccessMeasurement of the transverse momentum distribution of Drell–Yan lepton pairs in proton–proton collisions at \(\sqrt{s}=13\,\)TeV with the ATLAS detector
This paper describes precision measurements of the transverse momentum \(p_\mathrm {T}^{\ell \ell }\)pTℓℓ (\(\ell =e,\mu \)ℓ=e,μ) and of the angular variable \(\phi ^{*}_{\eta }\)ϕη∗ distributions of Drell–Yan le...
