135 Result(s)
within
**n-long Ma
English
Astronomy, Astrophysics and Cosmology
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Article
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, ...
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Article
Implications on the origin of cosmic rays in light of 10 TV spectral softenings
Precise measurements of the energy spectra of cosmic rays (CRs) show various kinds of features deviating from single power-laws, which give very interesting and important implications on their origin and propa...
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Open AccessSearch for new physics in top quark production in dilepton final states in proton-proton collisions at \(\sqrt{s} = 13\,\text {TeV} \)
A search for new physics in top quark production is performed in proton-proton collisions at \(13\,\text {TeV} \)13TeV. The data set corresponds to an integrated luminosity of \(35.9{\,\text {fb}^{-1}} \)35.9fb-1
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Article
Open AccessMeasurement of fiducial and differential \(W^+W^-\) production cross-sections at \(\sqrt{s}=13\) TeV with the ATLAS detector
A measurement of fiducial and differential cross-sections for \(W^+W^-\)W+W- production in proton–proton collisions at \(\sqrt{s}=13\)s=13 TeV with the ATLAS experiment at the Large Hadron Collider using data cor...
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Open AccessMeasurement of the inclusive cross-section for the production of jets in association with a Z boson in proton–proton collisions at 8 TeV using the ATLAS detector
The inclusive cross-section for jet production in association with a Z boson decaying into an electron–positron pair is measured as a function of the transverse momentum and the absolute rapidity of jets using 19...
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Article
Open AccessAzimuthal separation in nearly back-to-back jet topologies in inclusive 2- and 3-jet events in \({\text {p}} {\text {p}} \) collisions at \(\sqrt{s}=13\,\text {Te}\text {V} \)
A measurement for inclusive 2- and 3-jet events of the azimuthal correlation between the two jets with the largest transverse momenta, \(\varDelta \phi _{12}\)Δϕ12, is presented. The measurement considers events ...
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Article
Open AccessMeasurement of exclusive \({{{\uprho _{}^{}} _{}^{}}{{\left( {770}\right) }{}_{}^{}}} ^{0}\) photoproduction in ultraperipheral pPb collisions at \(\sqrt{\smash [b]{s_{_{\mathrm {NN}}}}} = 5.02\,\text {Te}\text {V} \)
Exclusive \({{{\uprho _{}^{}} _{}^{}}{{\left( {770}\right) }{}_{}^{}}} ^{0}\) ...
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Article
Open AccessElectron reconstruction and identification in the ATLAS experiment using the 2015 and 2016 LHC proton–proton collision data at \(\sqrt{s} = 13\) \(\text {TeV}\)
Algorithms used for the reconstruction and identification of electrons in the central region of the ATLAS detector at the Large Hadron Collider (LHC) are presented in this paper; these algorithms are used in A...
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Article
Open AccessFCC Physics Opportunities
We review the physics opportunities of the Future Circular Collider, covering its e+e-, pp, ep and heavy ion programmes. We describe the measurement capabilities of each FCC component, addressing the study of ele...
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Article
Open AccessCombined measurements of Higgs boson couplings in proton–proton collisions at \(\sqrt{s}=13\,\text {Te}\text {V} \)
Combined measurements of the production and decay rates of the Higgs boson, as well as its couplings to vector bosons and fermions, are presented. The analysis uses the LHC proton–proton collision data set rec...
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Article
Open AccessMeasurement of the \({\mathrm {t}\overline{\mathrm {t}}}\) production cross section, the top quark mass, and the strong coupling constant using dilepton events in pp collisions at \(\sqrt{s}=13\,\text {Te}\text {V} \)
A measurement of the top quark–antiquark pair production cross section \(\sigma _{\mathrm {t}\overline{\mathrm {t}}} \) ...
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Article
Open AccessSearch for vector-like quarks in events with two oppositely charged leptons and jets in proton–proton collisions at \(\sqrt{s} = 13\,\text {Te}\text {V} \)
A search for the pair production of heavy vector-like partners \(\mathrm {T}\) ...
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Article
Open AccessSearch for resonant production of second-generation sleptons with same-sign dimuon events in proton–proton collisions at \(\sqrt{s} = 13\,\text {TeV} \)
A search is presented for resonant production of second-generation sleptons ( \(\widetilde{\mu } _{\mathrm {L}}\) ...
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Article
Open AccessMeasurement of exclusive \(\mathrm {\Upsilon }\) photoproduction from protons in \(\mathrm {p}\) Pb collisions at \(\sqrt{\smash [b]{s_{_{\mathrm {NN}}}}} = 5.02\,\text {TeV} \)
The exclusive photoproduction of \(\mathrm {\Upsilon }\mathrm {(nS)} \) Υ ...
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Article
Open AccessStudy of the underlying event in top quark pair production in \(\mathrm {p}\mathrm {p}\) collisions at 13 \(~\text {Te}\text {V}\)
Measurements of normalized differential cross sections as functions of the multiplicity and kinematic variables of charged-particle tracks from the underlying event in top quark and antiquark pair production a...
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Article
Open AccessA strategy for a general search for new phenomena using data-derived signal regions and its application within the ATLAS experiment
This paper describes a strategy for a general search used by the ATLAS Collaboration to find potential indications of new physics. Events are classified according to their final state into many event classes. ...
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Article
Open AccessMeasurement of differential cross sections for \({\text {Z}}\) boson production in association with jets in proton-proton collisions at \(\sqrt{s} = 13\,\text {TeV} \)
The production of a \({\text {Z}}\) Z ...
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Article
Open AccessPerformance of missing transverse momentum reconstruction with the ATLAS detector using proton–proton collisions at \(\sqrt{s}=13~\hbox {TeV}\)
The performance of the missing transverse momentum ( \(E_{\mathrm{T}}^{\mathrm{miss}}\) ...
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Article
Open AccessAzimuthal correlations for inclusive 2-jet, 3-jet, and 4-jet events in pp collisions at \(\sqrt{s}= 13~\hbox {TeV}\)
Azimuthal correlations between the two jets with the largest transverse momenta \(p_{\mathrm {T}}\) ...
