Viser treff 21-32 av 32

• #### Resolution of the ATLAS muon spectrometer monitoreddrift tubes in LHC Run 2 ﻿

(Peer reviewed; Journal article, 2019)
The momentum measurement capability of the ATLAS muon spectrometer relies fundamentally on the intrinsic single-hit spatial resolution of the monitored drift tube precision tracking chambers. Optimal resolution is achieved ...
• #### Search for a heavy charged boson in events with a charged lepton and missing transverse momentum from pp collisions at √s=13  TeV with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2019)
A search for a heavy charged-boson resonance decaying into a charged lepton (electron or muon) and a neutrino is reported. A data sample of 139     fb − 1 of proton-proton collisions at √ s = 13     TeV collected with the ...
• #### Search for a right-handed gauge boson decaying into a high-momentum heavy neutrino and a charged lepton in pp collisions with the ATLAS detector at √s=13 TeV ﻿

(Peer reviewed; Journal article, 2019)
A search for a right-handed gauge boson WR, decaying into a boosted right-handed heavy neutrino NR, in the framework of Left-Right Symmetric Models is presented. It is based on data from proton–proton collisions with a ...
• #### Search for bottom-squark pair production with the ATLAS detector in final states containing Higgs bosons, b-jets and missing transverse momentum ﻿

(Peer reviewed; Journal article, 2019)
The result of a search for the pair production of the lightest supersymmetric partner of the bottom quark (b~1) using 139 fb−1 of proton-proton data collected at s√ = 13 TeV by the ATLAS detector is reported. In the ...
• #### Search for diboson resonances in hadronic final states in 139 fb−1 of pp collisions at √s = 13 TeV with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2019)
Narrow resonances decaying into W W, W Z or ZZ boson pairs are searched for in 139 fb−1 of proton-proton collision data at a centre-of-mass energy of s√ = 13 TeV recorded with the ATLAS detector at the Large Hadron Collider ...
• #### Search for electroweak diboson production in association with a high-mass dijet system in semileptonic final states in pp collisions at √s=13  TeV with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2019)
This paper reports on a search for electroweak diboson ( W W / W Z / Z Z ) production in association with a high-mass dijet system, using data from proton-proton collisions at a center-of-mass energy of √ s = 13     TeV . ...
• #### Search for heavy neutral Higgs bosons produced in association with b-quarks and decaying into b-quarks at √s =13 TeV with the ATLAS detector ﻿

(Journal article; Peer reviewed, 2020-08-13)
A search for heavy neutral Higgs bosons produced in association with one or two b-quarks and decaying to b-quark pairs is presented using 27.8 fb−1 of √s=13 TeV proton-proton collision data recorded by the ATLAS detector ...
• #### Search for heavy neutral leptons in decays of W bosons produced in 13 TeV pp collisions using prompt and displaced signatures with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2019-10-30)
The problems of neutrino masses, matter-antimatter asymmetry, and dark matter could be successfully addressed by postulating right-handed neutrinos with Majorana masses below the electroweak scale. In this work, leptonic ...
• #### Search for Higgs boson decays into a Z boson and a light hadronically decaying resonance using 13 TeV pp collision data from the ATLAS detector ﻿

(Journal article; Peer reviewed, 2020)
A search for Higgs boson decays into a Z boson and a light resonance in two-lepton plus jet events is performed, using a pp collision dataset with an integrated luminosity of 139 fb^−1 collected at √s=13 TeV by the ATLAS ...
• #### Search for high-mass dilepton resonances using 139 fb−1 of pp collision data collected at √s=13 TeV with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2019)
A search for high-mass dielectron and dimuon resonances in the mass range of 250 GeV to 6 TeV is presented. The data were recorded by the ATLAS experiment in proton–proton collisions at a centre-ofmass energy of √s = 13 ...
• #### Search for new non-resonant phenomena in high-mass dilepton final states with the ATLAS detector ﻿

(Journal article; Peer reviewed, 2020-11-04)
A search for new physics with non-resonant signals in dielectron and dimuon final states in the mass range above 2 TeV is presented. This is the first search for non-resonant signals in dilepton final states at the LHC to ...
• #### Z boson production in Pb+Pb collisions at √sNN=5.02 TeV measured by the ATLAS experiment ﻿

(Journal article; Peer reviewed, 2020)
The production yield of Z bosons is measured in the electron and muon decay channels in Pb+Pb collisions at √sNN = 5.02 TeV with the ATLAS detector. Data from the 2015 LHC run corresponding to an integrated luminosity of ...