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Open AccessSearch for \({{B} _{c} ^+} \!\rightarrow {{\pi } ^+} {\mu ^+\mu ^-} \) decays and measurement of the branching fraction ratio \({\mathcal {B}} ({{B} _{c} ^+} \!\rightarrow {\psi {(2S)}} {{\pi } ^+} )/{\mathcal {B}} ({{B} _{c} ^+} \!\rightarrow {{J \hspace{-1.66656pt}/\hspace{-1.111pt}\psi }} {{\pi } ^+} )\)
The first search for nonresonant \({{B} _{c} ^+} \!\rightarrow {{\pi } ^+} {\mu ^+\mu ^-} \) ...
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Article
Open AccessA precise measurement of the Z-boson double-differential transverse momentum and rapidity distributions in the full phase space of the decay leptons with the ATLAS experiment at \(\sqrt{s}=8\) TeV
This paper presents for the first time a precise measurement of the production properties of the Z boson in the full phase space of the decay leptons. This is in contrast to the many previous precise unfolded mea...
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Article
Open AccessMeasurement of the production cross-section of \(J/\psi \) and \(\psi (2{\textrm{S}})\) mesons in pp collisions at \(\sqrt{s} = 13\) TeV with the ATLAS detector
Measurements of the differential production cross-sections of prompt and non-prompt \(J/\psi \) ...
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Article
Open AccessMeasurement of the \(H \rightarrow \gamma \gamma \) and \(H \rightarrow ZZ^* \rightarrow 4 \ell \) cross-sections in pp collisions at \(\sqrt{s}=13.6\) TeV with the ATLAS detector
The inclusive Higgs boson production cross-section is measured in the di-photon and the \(ZZ^* \rightarrow 4 \ell \) ...
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Article
Open AccessAdvances in nuclear detection and readout techniques
“A Craftsman Must Sharpen His Tools to Do His Job,” said Confucius. Nuclear detection and readout techniques are the foundation of particle physics, nuclear physics, and particle astrophysics to reveal the nat...
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Article
Open AccessSearch for heavy Majorana or Dirac neutrinos and right-handed W gauge bosons in final states with charged leptons and jets in pp collisions at \(\sqrt{s}=13\) TeV with the ATLAS detector
A search for heavy right-handed Majorana or Dirac neutrinos \(N_{\textrm{R}}\) N ...
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Article
The new X-ray imaging and biomedical application beamline BL13HB at SSRF
A new X-ray imaging and biomedical application beamline (BL13HB) has been implemented at the Shanghai Radiation Synchrotron Facility (SSRF) as an upgrade to the old X-ray imaging and biomedical application bea...
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Open AccessPerformance of the reconstruction of large impact parameter tracks in the inner detector of ATLAS
Searches for long-lived particles (LLPs) are among the most promising avenues for discovering physics beyond the Standard Model at the Large Hadron Collider (LHC). However, displaced signatures are notoriously...
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Article
Open AccessSearch for pair production of third-generation leptoquarks decaying into a bottom quark and a \(\tau \) -lepton with the ATLAS detector
A search for pair-produced scalar or vector leptoquarks decaying into a b-quark and a \(\tau \) τ ...
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Article
Open AccessLuminosity determination in pp collisions at \(\sqrt{s}=13\) TeV using the ATLAS detector at the LHC
The luminosity determination for the ATLAS detector at the LHC during Run 2 is presented, with pp collisions at a centre-of-mass energy $$\sqr...
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Open AccessSearch for Majorana neutrinos in same-sign WW scattering events from pp collisions at \(\sqrt{s}=13\) TeV
A search for Majorana neutrinos in same-sign WW scattering events is presented. The analysis uses \(\sqrt{s}= 13\) ...
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Article
Open AccessSearches for exclusive Higgs and Z boson decays into a vector quarkonium state and a photon using 139 fb \(^{-1}\) of ATLAS \(\sqrt{s}=13\) TeV proton–proton collision data
Searches for the exclusive decays of Higgs and Z bosons into a vector quarkonium state and a photon are performed in the $$\mu ^+\mu ^-\,\gamm...
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Open AccessMeasurements of differential cross sections of Higgs boson production through gluon fusion in the \(H\rightarrow WW^{*}\rightarrow e\nu \mu \nu \) final state at \(\sqrt{s} = 13\) TeV with the ATLAS detector
Higgs boson production via gluon–gluon fusion is measured in the \(WW^{*} \rightarrow e\nu \mu \nu \) ...
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Article
Open AccessNew techniques for jet calibration with the ATLAS detector
A determination of the jet energy scale is presented using proton–proton collision data with a centre-of-mass energy of \(\sqrt{s}=13\) ...
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Article
Open AccessCalibration of the light-flavour jet mistagging efficiency of the b-tagging algorithms with Z+jets events using 139 \(\textrm{fb}^{-1}\) of ATLAS proton–proton collision data at \(\sqrt{s} = 13\) TeV
The identification of b-jets, referred to as b-tagging, is an important part of many physics analyses in the ATLAS experiment at the Large Hadron Collider and an accurate calibration of its performance is essenti...
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Article
Open AccessSearch for pair-produced vector-like top and bottom partners in events with large missing transverse momentum in pp collisions with the ATLAS detector
A search for pair-produced vector-like quarks using events with exactly one lepton (e or \(\mu \) μ ...
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Article
Open AccessMeasurements of \(W^{+}W^{-}\) production in decay topologies inspired by searches for electroweak supersymmetry
This paper presents a measurement of fiducial and differential cross-sections for \(W^{+}W^{-}\) ...
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Article
Open AccessStudies of the muon momentum calibration and performance of the ATLAS detector with pp collisions at \(\sqrt{s}=13\) TeV
This paper presents the muon momentum calibration and performance studies for the ATLAS detector based on the pp collisions data sample produced at ...
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Article
Open AccessATLAS flavour-tagging algorithms for the LHC Run 2 pp collision dataset
The flavour-tagging algorithms developed by the ATLAS Collaboration and used to analyse its dataset of \(\sqrt{s} = 13\) ...
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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 \(^{-1}\) ...