397 Result(s)
-
Article
Open AccessSearch for new phenomena in multi-body invariant masses in events with at least one isolated lepton and two jets using \( \sqrt{s} \) = 13 TeV proton–proton collision data collected by the ATLAS detector
A search for resonances in events with at least one isolated lepton (e or μ) and two jets is performed using 139 fb−1 of ...
-
Article
Open AccessA search for heavy Higgs bosons decaying into vector bosons in same-sign two-lepton final states in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for heavy Higgs bosons produced in association with a vector boson and decaying into a pair of vector bosons is performed in final states with two leptons (electrons or muons) of the same electric cha...
-
Article
Open AccessModel-independent search for the presence of new physics in events including H → γγ with \( \sqrt{s} \) = 13 TeV pp data recorded by the ATLAS detector at the LHC
A model-independent search for new physics leading to final states containing a Higgs boson, with a mass of 125.09 GeV, decaying to a pair of photons is performed with 139 fb−1 of
-
Article
Open AccessSearches for lepton-flavour-violating decays of the Higgs boson into eτ and μτ in \( \sqrt{s} \) = 13 TeV pp collisions with the ATLAS detector
This paper presents direct searches for lepton flavour violation in Higgs boson decays, H → eτ and H → μτ, performed using data collected with the ATLAS detector at the LHC. The searches are based on a data sampl...
-
Article
Open AccessSearch for boosted diphoton resonances in the 10 to 70 GeV mass range using 138 fb−1 of 13 TeV pp collisions with the ATLAS detector
A search for diphoton resonances in the mass range between 10 and 70 GeV with the ATLAS experiment at the Large Hadron Collider (LHC) is presented. The analysis is based on pp collision data corresponding to an i...
-
Article
Open AccessSearch for resonant WZ production in the fully leptonic final state in proton–proton collisions at \(\mathbf {\sqrt{s} = 13}\) TeV with the ATLAS detector
A search for a WZ resonance, in the fully leptonic final state (electrons or muons), is performed using 139 fb \(^{-1}\) ...
-
Article
Open AccessInclusive and differential cross-sections for dilepton \( t\overline{t} \) production measured in \( \sqrt{s} \) = 13 TeV pp collisions with the ATLAS detector
Differential and double-differential distributions of kinematic variables of leptons from decays of top-quark pairs ( t ...
-
Article
Open AccessMeasurement of exclusive pion pair production in proton–proton collisions at \(\sqrt{s}={7}\,\text {TeV}\) with the ATLAS detector
The exclusive production of pion pairs in the process \(pp\rightarrow pp\pi ^+\pi ^-\) ...
-
Article
Open AccessSearch for dark photons from Higgs boson decays via ZH production with a photon plus missing transverse momentum signature from pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
This paper describes a search for dark photons (γd) in proton-proton collisions at s ...
-
Article
Open AccessSearch for high-mass Wγ and Zγ resonances using hadronic W/Z boson decays from 139 fb−1 of pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for high-mass charged and neutral bosons decaying to Wγ and Zγ final states is presented in this paper. The analysis uses a data sample of ...
-
Article
Open AccessSearch for third-generation vector-like leptons in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for vector-like leptons in multilepton (two, three, or four-or-more electrons plus muons) final states with zero or more hadronic τ-lepton decays is presented. The search is performed using a dataset cor...
-
Article
Open AccessSearch for dark matter produced in association with a dark Higgs boson decaying into W+W− in the one-lepton final state at \( \sqrt{s} \) = 13 TeV using 139 fb−1 of pp collisions recorded with the ATLAS detector
Several extensions of the Standard Model predict the production of dark matter particles at the LHC. A search for dark matter particles produced in association with a dark Higgs boson decaying into W+W− in the ...
-
Article
Open AccessSearch for a new Z′ gauge boson in 4μ events with the ATLAS experiment
This paper presents a search for a new Z′ vector gauge boson with the ATLAS experiment at the Large Hadron Collider using pp collision data collected at ...
-
Article
Open AccessSearch for doubly charged Higgs boson production in multi-lepton final states using 139 fb \(^{-1}\) of proton–proton collisions at \(\sqrt{s}\) = 13 TeV with the ATLAS detector
A search for pair production of doubly charged Higgs bosons ( \(H^{\pm \pm }\) H ...
-
Article
Open AccessSearch for dark matter produced in association with a single top quark and an energetic W boson in \(\sqrt{s}=\) 13 TeV \(pp\) collisions with the ATLAS detector
This paper presents a search for dark matter, \(\chi \) χ , using events wit...
-
Article
Open AccessMeasurement of the properties of Higgs boson production at \( \sqrt{s} \) = 13 TeV in the H → γγ channel using 139 fb−1 of pp collision data with the ATLAS experiment
Measurements of Higgs boson production cross-sections are carried out in the diphoton decay channel using 139 fb−1 of pp collision data at ...
-
Article
Open AccessDetermination of the strong coupling constant from transverse energy-energy correlations in multijet events at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
Measurements of transverse energy-energy correlations and their associated azimuthal asymmetries in multijet events are presented. The analysis is performed using a data sample corresponding to 139 fb−1 of proton...
-
Article
Open AccessInclusive-photon production and its dependence on photon isolation in pp collisions at \( \sqrt{s} \) = 13 TeV using 139 fb−1 of ATLAS data
Measurements of differential cross sections are presented for inclusive isolated-photon production in pp collisions at a centre-of-mass energy of 13 TeV provided by the LHC and using 139 fb−1 of data recorded by ...
-
Article
Open AccessMeasurements of Zγ+jets differential cross sections in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
Differential cross-section measurements of Zγ production in association with hadronic jets are presented, using the full 139 fb−1 dataset of ...
-
Article
Open AccessCharged-hadron production in pp, p+Pb, Pb+Pb, and Xe+Xe collisions at \( \sqrt{s_{\textrm{NN}}} \) = 5 TeV with the ATLAS detector at the LHC
This paper presents measurements of charged-hadron spectra obtained in pp, p+Pb, and Pb+Pb collisions at ...