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Configuration, Performance, and Commissioning of the ATLAS -jet Triggers for the 2022 and 2023 LHC data-taking periods
ATLAS Collaboration
In 2022 and 2023, the Large Hadron Collider produced approximately two billion hadronic interactions each second from bunches of protons that collide at a rate of 40 MHz. The ATLAS…
A search for -parity violating supersymmetric decays of the top squark to a -jet and a lepton in = 13 TeV collisions with the ATLAS detector
ATLAS Collaboration
A search is presented for direct pair production of the stop, the supersymmetric partner of the top quark, in a decay through an -parity violating coupling to a charged lepton a…
Search for charged-lepton-flavour violating interactions in top-quark production and decay in collisions at TeV with the ATLAS detector at the LHC
ATLAS Collaboration
A search for charged-lepton-flavour violating () interactions is presented, considering both top-quark production and decay. The data analysed correspond to 140 $\tex…
Observation of four-top-quark production in the multilepton final state with the ATLAS detector
ATLAS Collaboration
This paper presents the observation of four-top-quark () production in proton-proton collisions at the LHC. The analysis is performed using an integrated luminosi…
Measurement of differential cross sections of isolated-photon plus heavy-flavour jet production in pp collisions at TeV using the ATLAS detector
ATLAS Collaboration
This Letter presents the measurement of differential cross sections of isolated prompt photons produced in association with a b-jet or a c-jet. These final states provide sensitivi…
Study of ordered hadron chains with the ATLAS detector
ATLAS Collaboration
The analysis of the momentum difference between charged hadrons in high-energy proton-proton collisions is performed in order to study coherent particle production. The observed co…
Search for a scalar partner of the top quark in the jets plus missing transverse momentum final state at =13 TeV with the ATLAS detector
ATLAS Collaboration
A search for pair production of a scalar partner of the top quark in events with four or more jets plus missing transverse momentum is presented. An analysis of 36.1 fb of $…
Search for supersymmetry in events with -tagged jets and missing transverse momentum in collisions at TeV with the ATLAS detector
ATLAS Collaboration
A search for the supersymmetric partners of the Standard Model bottom and top quarks is presented. The search uses 36.1 fb of collision data at TeV collec…
Search for new phenomena with large jet multiplicities and missing transverse momentum using large-radius jets and flavour-tagging at ATLAS in 13 TeV collisions
ATLAS Collaboration
A search is presented for particles that decay producing a large jet multiplicity and invisible particles. The event selection applies a veto on the presence of isolated electrons…
Measurements of top-quark pair differential cross-sections in the lepton+jets channel in collisions at =13 TeV using the ATLAS detector
ATLAS Collaboration
Measurements of differential cross-sections of top-quark pair production in fiducial phase-spaces are presented as a function of top-quark and system kinematic observabl…
Searches for the decay mode of the Higgs boson and for new high-mass resonances in collisions at TeV with the ATLAS detector
ATLAS Collaboration
This article presents searches for the decay of the Higgs boson and for narrow high-mass resonances decaying to , exploiting boson decays to pairs of electrons or muon…
Search for heavy resonances decaying to a or boson and a Higgs boson in the final state in collisions at TeV with the ATLAS detector
ATLAS Collaboration
A search for heavy resonances decaying to a or boson and a Higgs boson in the final state is described. The search uses 36.1 fb of prot…
Study of the material of the ATLAS inner detector for Run 2 of the LHC
ATLAS Collaboration
The ATLAS inner detector comprises three different sub-detectors: the pixel detector, the silicon strip tracker, and the transition-radiation drift-tube tracker. The Insertable …
Search for heavy Higgs bosons decaying to a top quark pair in collisions at TeV with the ATLAS detector
ATLAS Collaboration
A search for heavy pseudoscalar () and scalar () Higgs bosons decaying into a top quark pair () has been performed with 20.3 fb of proton--proton collision d…
Study of and production in collisions at TeV and search for anomalous quartic gauge couplings with the ATLAS experiment
ATLAS Collaboration
This paper presents a study of and triboson production using events from proton--proton collisions at a centre-of-mass energy of TeV recorded with the AT…
Determination of the strong coupling constant from transverse energy-energy correlations in multijet events at TeV using the ATLAS detector
ATLAS Collaboration
Measurements of transverse energy-energy correlations and their associated asymmetries in multi-jet events using the ATLAS detector at the LHC are presented. The data used correspo…
Search for Dark Matter Produced in Association with a Higgs Boson Decaying to using 36 fb of collisions at TeV with the ATLAS Detector
ATLAS Collaboration
Several extensions of the Standard Model predict associated production of dark-matter particles with a Higgs boson. Such processes are searched for in final states with missing tra…
Measurement of the production cross section in proton-proton collisions at TeV with the ATLAS detector
ATLAS Collaboration
The cross section of a top-quark pair produced in association with a photon is measured in proton-proton collisions at a centre-of-mass energy of TeV with fb$…
Measurements of top-quark pair to -boson cross-section ratios at TeV with the ATLAS detector
ATLAS Collaboration
Ratios of top-quark pair to -boson cross sections measured from proton--proton collisions at the LHC centre-of-mass energies of TeV, 8TeV, and 7TeV are presented by…
Search for triboson production in collisions at TeV with the ATLAS detector
ATLAS Collaboration
This paper reports a search for triboson production in two decay channels ( and $W^{\pm}…
Measurement of boson angular distributions in events with high transverse momentum jets at 8 TeV using the ATLAS detector
ATLAS Collaboration
The boson angular distribution in events with high transverse momentum jets is measured using data collected by the ATLAS experiment from proton-proton collisions at a centre-o…
A measurement of material in the ATLAS tracker using secondary hadronic interactions in 7 TeV pp collisions
ATLAS Collaboration
Knowledge of the material in the ATLAS inner tracking detector is crucial in understanding the reconstruction of charged-particle tracks, the performance of algorithms that identif…
Measurement of the and production cross sections in multilepton final states using 3.2 fb of collisions at = 13 TeV with the ATLAS detector
ATLAS Collaboration
A measurement of the and production cross sections in final states with either two same-charge muons, or three or four leptons (electrons or muons) is prese…
Search for dark matter produced in association with a hadronically decaying vector boson in pp collisions at =13 TeV with the ATLAS detector
ATLAS Collaboration
A search is presented for dark matter produced in association with a hadronically decaying W or Z boson using 3.2 /fb of pp collisions at =13 TeV recorded by the ATLAS de…