158 Result(s)
within
**ang-Long Jiang
Measurement Science and Instrumentation
Nuclear Energy
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Article
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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Open AccessSearch for a heavy Higgs boson decaying into a Z boson and another heavy Higgs boson in the \(\ell \ell bb\) and \(\ell \ell WW\) final states in pp collisions at \(\sqrt{s}=13\) \(\text {TeV}\) with the ATLAS detector
A search for a heavy neutral Higgs boson, A, decaying into a Z boson and another heavy Higgs boson, H, is performed using a data sample corresponding to an integrated luminosity of 139 fb
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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 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 AccessMeasurements of WH and ZH production in the \(H \rightarrow b\bar{b}\) decay channel in pp collisions at \(13\,\text {Te}\text {V}\) with the ATLAS detector
Measurements of the Standard Model Higgs boson decaying into a \(b\bar{b}\) b ...
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Open AccessDetermination of jet calibration and energy resolution in proton–proton collisions at \(\sqrt{s} = 8~\hbox {TeV}\) using the ATLAS detector
The jet energy scale, jet energy resolution, and their systematic uncertainties are measured for jets reconstructed with the ATLAS detector in 2012 using proton–proton data produced at a centre-of-mass energy ...
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Open AccessHiggs boson production cross-section measurements and their EFT interpretation in the \(4\ell \) decay channel at \(\sqrt{s}=\) 13 TeV with the ATLAS detector
Higgs boson properties are studied in the four-lepton decay channel (where lepton = e, \(\mu \) μ ...
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Open AccessMeasurements of top-quark pair spin correlations in the \(e\mu \) channel at \(\sqrt{s} = 13\) TeV using pp collisions in the ATLAS detector
A measurement of observables sensitive to spin correlations in \(t\bar{t}\)tt¯ production is presented, using 36.1 \(\hbox {fb}^{-1}\)fb-1 of pp collision data at \(\sqrt{s} = 13\)s=13 TeV recorded with the ATLAS...
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Open AccessSearch for physics beyond the standard model in events with jets and two same-sign or at least three charged leptons in proton-proton collisions at \(\sqrt{s}=13\,{\text {TeV}} \)
A data sample of events from proton-proton collisions with at least two jets, and two isolated same-sign or three or more charged leptons, is studied in a search for signatures of new physics phenomena. The da...
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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 AccessSearch for direct production of electroweakinos in final states with one lepton, missing transverse momentum and a Higgs boson decaying into two b-jets in \(pp\) collisions at \(\sqrt{s}=13\) TeV with the ATLAS detector
The results of a search for electroweakino pair production \(pp \rightarrow \tilde{\chi }^\pm _1 \tilde{\chi }^0_2\)pp→χ~1±χ~20 in which the chargino (\(\tilde{\chi }^\pm _1\)χ~1±) decays into a W boson and the l...
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Open AccessMeasurement of \(\hbox {t}{\bar{\hbox {t}}}\) normalised multi-differential cross sections in \({\text {p}}{\text {p}} \) collisions at \(\sqrt{s}=13\,{\text {TeV}} \), and simultaneous determination of the strong coupling strength, top quark pole mass, and parton distribution functions
Normalised multi-differential cross sections for top quark pair (\(\hbox {t}{\bar{\hbox {t}}}\)tt¯) production are measured in proton-proton collisions at a centre-of-mass energy of 13\(\,{\text {TeV}}\)TeV using...
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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...
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Open AccessA multi-dimensional search for new heavy resonances decaying to boosted \(\text{ W }{}{}\) \(\text{ W }{}{}\) , \(\text{ W }{}{}\) \(\text{ Z }{}{}\) , or \(\text{ Z }{}{}\) \(\text{ Z }{}{}\) boson pairs in the dijet final state at 13 \(\text {Te}\text {V}\)
A search in an all-jet final state for new massive resonances decaying to \(\text{ W }{}{}\)W \(\text{ W }{}{}\)W, \(\text{ W }{}{}\)W \(\text{ Z }{}{}\)Z, or \(\text{ Z }{}{}\)Z \(\text{ Z }{}{}\)Z boson pairs u...
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Open AccessSearch for electroweak production of charginos and sleptons decaying into final states with two leptons and missing transverse momentum in \(\sqrt{s}=13\) \(\text {TeV}\) pp collisions using the ATLAS detector
A search for the electroweak production of charginos and sleptons decaying into final states with two electrons or muons is presented. The analysis is based on 139 fb\(^{-1}\)-1 of proton–proton collisions record...
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Open AccessSearch for production of four top quarks in final states with same-sign or multiple leptons in proton–proton collisions at \(\sqrt{s}=13\) \(\,\text {TeV}\)
The standard model (SM) production of four top quarks (\(\text {t} {}{\overline{\text {t}}} \text {t} {}{\overline{\text {t}}} \)tt¯tt¯) in proton–proton collisions is studied by the CMS Collaboration. The data s...
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Open AccessEvidence for \(\text {W}\text {W}\) production from double-parton interactions in proton–proton collisions at \(\sqrt{s} = 13 \,\text {TeV} \)
A search for \(\text {W}\text {W}\)WW production from double-parton scattering processes using same-charge electron-muon and dimuon events is reported, based on proton-proton collision data collected at a center-...
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Open AccessSearches for physics beyond the standard model with the \(M_{\mathrm {T2}}\) variable in hadronic final states with and without disappearing tracks in proton–proton collisions at \(\sqrt{s}=13\,\text {Te}\text {V} \)
Two related searches for phenomena beyond the standard model (BSM) are performed using events with hadronic jets and significant transverse momentum imbalance. The results are based on a sample of proton–proto...
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Open AccessExtraction and validation of a new set of CMS pythia8 tunes from underlying-event measurements
New sets of CMS underlying-event parameters (“tunes”) are presented for the pythia8 event generator. These tunes use the NNPDF3.1 parton distribution functions (PDFs) at leading (LO), next-to-leading (NLO), or ne...
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Open AccessMeasurements of top-quark pair differential and double-differential cross-sections in the \(\ell \) +jets channel with pp collisions at \(\sqrt{s}=13\) TeV using the ATLAS detector
Single- and double-differential cross-section measurements are presented for the production of top-quark pairs, in the lepton + jets channel at particle and parton level. Two topologies, resolved and boosted, ...
