Repozitář publikační činnosti UK: Recent submissions
Now showing items 161-180 of 2151
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Search for light neutral particles decaying promptly into collimated pairs of electrons or muons in pp collisions at √s = 13 TeV with the ATLAS detector
original article
open access
published version
2025
,Springer
,European Physical Journal C
,85
(3)
A search for a dark photon, a new light neutral particle,which decays promptly into collimated pairs of electronsor muons is presented. The search targets dark photonsresulting from the exotic decay of the StandardModel ...
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Measurement of the associated production of a top-antitop-quark pair and a Higgs boson decaying into a b¯b √ pair in pp collisions at √s = 13 TeV using the ATLAS detector at the LHC
original article
open access
published version
2025
,Springer
,European Physical Journal C
,85
(2)
This paper reports the measurement of Higgsboson production in association with a t -t pair in the H RIGHTWARDS ARROW b-bdecay channel. The analysis uses 140 fb-1 of 13 TeVproton-proton collision data collected with ...
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Search for a light charged Higgs boson in t → H±b decays, with H± → cs, in pp collisions at √s = 13 TeV with the ATLAS detector
original article
open access
published version
2025
,Springer
,European Physical Journal C
,85
(2)
A search for a light charged Higgs boson producedin decays of the top quark, t RIGHTWARDS ARROW H+-b with H+- RIGHTWARDS ARROW cs,is presented. This search targets the production of top-quarkpairs t -t RIGHTWARDS ARROW ...
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Software and computing for Run 3 of the ATLAS experiment at the LHC
original article
open access
published version
2025
,Springer
,European Physical Journal C
,85
(3)
heATLAS experiment has developed extensivesoftware and distributed computing systems for Run 3 ofthe LHC. These systems are described in detail, includingsoftware infrastructure and workflows, distributed data andworkload ...
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Observation of t¯t Production in Pb+Pb Collisions at √sNN=5.02 TeV with the ATLAS Detector
original article
open access
published version
2025
,American Physical Society
,Physical Review Letters
,134
(2025)
Top-quark pair production is observed in lead-lead (Pb þ Pb) collisions at ffisffiffiNffiffiNffiffiffip1/4 5.02 TeV at theLarge Hadron Collider with the ATLAS detector. The data sample was recorded in 2015 and 2018,amounting ...
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Search for Dark Matter Produced in Association with a Dark Higgs Boson in the b¯b Final State Using pp Collisions at √s = 13 TeV with the ATLAS Detector
original article
open access
published version
2025
,American Physical Society
,Physical Review Letters
,134
(2025)
A search is performed for dark matter particles produced in association with a resonantly produced pairof b-quarks with 30 < mbb < 150 GeV using 140 fb-1 of proton-proton collisions at a center-of-massenergy of 13 ...
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Search for decays of the Higgs boson into scalar particles decaying into four or six b quarks using pp collisions at √s = 13 TeV with the ATLAS detector
original article
embargoed access
published version
2025
,American Physical Society
,Physical Review D
,112
(2025)
A search for exotic decays of the Higgs boson H into new scalar or pseudoscalar particles thatsubsequently decay into b-quarks is presented. The search considers ZH production with several decayscenarios for the Higgs ...
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Search for new physics in final states with semivisible jets or anomalous signatures using the ATLAS detector
original article
open access
published version
2025
,American Physical Society
,Physical Review D
,112
(2025)
A search is presented for hadronic signatures of beyond the Standard Model (BSM) physics, with anemphasis on signatures of a strongly coupled hidden dark sector accessed via resonant production of a Z0mediator. The ATLAS ...
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Search for cascade decays of charged sleptons and sneutrinos in final states with three leptons and missing transverse momentum in pp collisions at √s = 13 TeV with the ATLAS detector
original article
open access
published version
2025
,American Physical Society
,Physical Review D
,112
(2025)
A search for cascade decays of charged sleptons and sneutrinos using final states characterized by threeleptons (electrons or muons) and missing transverse momentum is presented. The analysis is based on adataset with 140 ...
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Search for charged Higgs bosons produced in top-quark decays or in association with top quarks and decaying via H → τντ in 13 TeV pp collisions with the ATLAS detector
original article
open access
published version
2025
,American Physical Society
,Physical Review D
,111
(2025)
Charged Higgs bosons produced either in top-quark decays or in association with a top quark,subsequently decaying via H RIGHTWARDS ARROW τντ, are searched for in 140 fb-1 ffiffiffi of proton-proton collision data atsp1/4 ...
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Search for triple Higgs boson production in the 6b final state using pp collisions at √s =13 TeV with the ATLAS detector
original article
open access
published version
2025
,American Physical Society
,Physical Review D
,111
(2025)
A search for the production of three Higgs bosons (HHH) in the b-bb-bb-b final state is presented. Thesearch uses 126 fb-1 of proton-proton collision data atffiffiffisp1/4 13 TeV collected with the ATLAS detector atthe ...
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Combination of searches for singly produced vectorlike top quarks in pp collisions at √ s=13 TeV with the ATLAS detector
original article
open access
published version
2025
,American Physical Society
,Physical Review D
,111
(2025)
This paper presents the measurement of charged-hadron and identified-hadron (K0 S , , -) yields in photonuclear collisions using 1.7 nb-1 of SQUARE ROOT sNN = 5.02 TeV Pb + Pb data collected in 2018 with the ATLAS detector ...
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Azimuthal anisotropies of charged particles with high transverse momentum in Pb+Pb collisions at √sNN = 5.02 TeV with the ATLAS detector
original article
open access
published version
2025
,American Physical Society
,Physical Review C
,112
(2025)
This paper presents the measurement of charged-hadron and identified-hadron (K0 S , , −) yields in photonuclear collisions using 1.7 nb−1 of √ sNN = 5.02 TeV Pb + Pb data collected in 2018 with the ATLAS detector at the ...
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Charged-hadron and identified-hadron (K0S , , −) yield measurements in photonuclear Pb + Pb and p + Pb collisions at √sNN = 5.02 TeV with ATLAS
original article
open access
published version
2025
,American Physical Society
,Physical Review C
,111
(2025)
This paper presents the measurement of charged-hadron and identified-hadron (K0S , , −) yields in photonuclearcollisions using 1.7 nb−1 of√sNN = 5.02 TeV Pb + Pb data collected in 2018 with the ATLAS detectorat the Large ...
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Search for the jet-induced diffusion wake in the quark-gluon plasma via measurements of jet-track correlations in photon-jet events in Pb+Pb collisions at √sNN = 5.02 TeV with the ATLAS detector
original article
embargoed access
published version
2025
,American Physical Society
,Physical Review C
,111
(2025)
This paper presents a measurement of jet-track correlations in photon-jet events, using 1.72 nb-1 of Pb+Pbdata at SQUARE ROOTsNN = 5.02 TeV recorded with the ATLAS detector at the LHC. Events with energetic photon-jet ...
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Configuration, Performance, and Commissioning of the ATLAS 𝒃-jet Triggers for the 2022 and 2023 LHC data-taking periods
original article
open access
published version
2025
,IOP Publishing Ltd
,Journal of Instrumentation
,20
(2025)
In 2022 and 2023, the Large Hadron Collider produced approximately two billion hadronicinteractions each second from bunches of protons that collide at a rate of 40 MHz. The ATLAS triggersystem is used to reduce this rate ...
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Expected tracking performance of the ATLAS Inner Tracker at the High-Luminosity LHC
original article
open access
published version
2025
,IOP Publishing Ltd
,Journal of Instrumentation
,20
(2025)
The high-luminosity phase of LHC operations (HL-LHC), will feature a large increase insimultaneous proton-proton interactions per bunch crossing up to 200, compared with a typical levelingtarget of 64 in Run 3. Such an ...
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An implementation of neural simulation-based inference for parameter estimation in ATLAS
original article
open access
published version
2025
,Institute of Physics
,Reports on Progress in Physics
,88
(2025)
Neural simulation-based inference (NSBI) is a powerful class of machine-learning-basedmethods for statistical inference that naturally handles high-dimensional parameter estimationwithout the need to bin data into ...
