# ATLAS Notes

2021-07-30
18:58
 A precise interpretation for the top quark mass parameter in ATLAS Monte Carlo simulation This note relates the top quark mass parameter in simulated pp collisions with a 13 TeV centre-of-mass-energy produced by ATLAS to a well-defined field-theoretical mass scheme. [...] ATL-PHYS-PUB-2021-034. - 2021. Original Communication (restricted to ATLAS) - Full text

2021-07-29
19:06
 ATLAS LAr Calorimeter commissioning for LHC Run-3 / Selem, Luka (Centre National de la Recherche Scientifique (FR)) The ATLAS experiment at the Large Hadron Collider (LHC) measures proton--proton collisions at high energies. [...] ATL-LARG-PROC-2021-003. - 2021. - 5 p. Original Communication (restricted to ATLAS) - Full text

2021-07-29
18:27
 Measurements of the production cross section of a $Z$ boson in association with high transverse momentum jets in $pp$ collisions at $\sqrt{s} = 13$~TeV with the ATLAS detector Measurements of the production cross section of a $Z$ boson in association with at least one high transverse momentum jet are presented, separating topologies corresponding to the emission of a $Z$ boson from dijet events and topologies with a boosted $Z$ recoiling against a high-energy jet. [...] ATLAS-CONF-2021-033. - 2021. Original Communication (restricted to ATLAS) - Full text

2021-07-29
18:25
 Search for events with a pair of displaced vertices from long-lived neutral particles decaying into hadronic jets in the ATLAS muon spectrometer in $pp$ collisions at $\sqrt{s}=13$ TeV A search for events with two displaced vertices from long-lived particles (LLP) pairs using data collected by the ATLAS detector at the LHC is presented. [...] ATLAS-CONF-2021-032. - 2021. Original Communication (restricted to ATLAS) - Full text

2021-07-29
18:24
 Measurements of differential cross-sections in top-quark pair events with a high transverse momentum top quark and limits on beyond the Standard Model contributions to top quark pair production with the ATLAS detector Cross-section measurements of top-quark pair production where the hadronically decaying top quark has transverse momentum greater than $355$ GeV are presented using 139 fb$^{-1}$ of data collected by the ATLAS experiment during proton-proton collisions at the LHC. [...] ATLAS-CONF-2021-031. - 2021. Original Communication (restricted to ATLAS) - Full text

2021-07-29
18:23
 Search for resonant and non-resonant Higgs boson pair production in the $b\bar b\tau^+\tau^-$ decay channel using 13 TeV $pp$ collision data from the ATLAS detector A search for Higgs boson pair production in events with two $b$-jets and two $\tau$-leptons is presented, using a $pp$ collision data set with an integrated luminosity of $139~\text{fb}^{-1}$ collected at $\sqrt{s}=13~\text{TeV}$ by the ATLAS experiment at the LHC. [...] ATLAS-CONF-2021-030. - 2021. Original Communication (restricted to ATLAS) - Full text

2021-07-29
18:21
 Search for associated production of a $Z$ boson with an invisibly decaying Higgs boson or dark matter candidates at $\sqrt{s}=13$ TeV with the ATLAS detector A search for invisible decays of the Higgs boson as well as searches for dark matter candidates, produced together with a leptonically decaying $Z$ boson, are presented. [...] ATLAS-CONF-2021-029. - 2021. Original Communication (restricted to ATLAS) - Full text

2021-07-29
18:18
 Search for new phenomena in final states with photons, jets and missing transverse momentum in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector A search for new phenomena has been performed in final states with at least one isolated high momentum photon, jets and missing transverse momentum in proton-proton collisions at a centre-of-mass energy of $\sqrt{s} = 13$ TeV. [...] ATLAS-CONF-2021-028. - 2021. - 20 p. Original Communication (restricted to ATLAS) - Full text

2021-07-29
18:10
 Development of the ATLAS Liquid Argon Calorimeter Readout Electronics for the HL-LHC / Kolb, Mathis (Université Paris-Saclay (FR)) The full ATLAS Liquid Argon Calorimeter electronic readout chain will be upgraded for the high-luminosity LHC. [...] ATL-LARG-PROC-2021-002. - 2021. - 5 p. Original Communication (restricted to ATLAS) - Full text

2021-07-29
16:13
 Measurements of jet substructure and jet fragmentation using the ATLAS detector / Llorente Merino, Javier (Simon Fraser University (CA)) Measurements of the internal properties of jets at the LHC interaction scale allow QCD to be studied in a new energy regime. [...] ATL-PHYS-PROC-2021-047. - 2021. Original Communication (restricted to ATLAS) - Full text

Enfocat a:
ATLAS PUB Notes (2,890)
ATLAS Conference Notes (1,089)