99 Result(s)
within
**g-Shan Yang
Elementary Particles, Quantum Field Theory
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Open AccessSearch for new particles in final states with a boosted top quark and missing transverse momentum in proton-proton collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for events with one top quark and missing transverse momentum in the final state is presented. The fully hadronic decay of the top quark is explored by selecting events with a reconstructed boosted to...
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Open AccessElectron and photon efficiencies in LHC Run 2 with the ATLAS experiment
Precision measurements of electron reconstruction, identification, and isolation efficiencies and photon identification efficiencies are presented. They use the full Run 2 data sample collected by the ATLAS ex...
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Open AccessATLAS Run 2 searches for electroweak production of supersymmetric particles interpreted within the pMSSM
A summary of the constraints from searches performed by the ATLAS collaboration for the electroweak production of charginos and neutralinos is presented. Results from eight separate ATLAS searches are consider...
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Open AccessSearch for new phenomena with top-quark pairs and large missing transverse momentum using 140 fb−1 of pp collision data at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search is conducted for new phenomena in events with a top quark pair and large missing transverse momentum, where the top quark pair is reconstructed in final states with one isolated electron or muon and m...
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Open AccessSearch for vector-boson resonances decaying into a top quark and a bottom quark using pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for a new massive charged gauge boson, W′, is performed with the ATLAS detector at the LHC. The dataset used in this analysis was collected from proton-proton collisions at a centre-of-mass energy of ...
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Open AccessSearch for single vector-like B quark production and decay via B → bH( \( b\overline{b} \) ) in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search is presented for single production of a vector-like B quark decaying into a Standard Model b-quark and a Standard Model Higgs boson, which decays into a
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Open AccessSearch for magnetic monopoles and stable particles with high electric charges in \( \sqrt{s} \) = 13 TeV pp collisions with the ATLAS detector
We present a search for magnetic monopoles and high-electric-charge objects using LHC Run 2 s ...
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Open AccessSearch for single production of vector-like T quarks decaying into Ht or Zt in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
This paper describes a search for the single production of an up-type vector-like quark (T) decaying as T → Ht or T → Zt. The search utilises a dataset of pp collisions at
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Open AccessMeasurement of exclusive pion pair production in proton–proton collisions at \(\sqrt{s}={7}\,\text {TeV}\) with the ATLAS detector
The exclusive production of pion pairs in the process \(pp\rightarrow pp\pi ^+\pi ^-\) ...
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Open AccessMeasurement of the properties of Higgs boson production at \( \sqrt{s} \) = 13 TeV in the H → γγ channel using 139 fb−1 of pp collision data with the ATLAS experiment
Measurements of Higgs boson production cross-sections are carried out in the diphoton decay channel using 139 fb−1 of pp collision data at ...
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Open AccessMeasurements of observables sensitive to colour reconnection in \(t{\bar{t}}\) events with the ATLAS detector at \(\sqrt{s} =\) 13 TeV
A measurement of observables sensitive to effects of colour reconnection in top-quark pair-production events is presented using 139 $$\hbox {f...
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Open AccessSearch for heavy resonances decaying into a Z or W boson and a Higgs boson in final states with leptons and b-jets in 139 fb−1 of pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
This article presents a search for new resonances decaying into a Z or W boson and a 125 GeV Higgs boson h, and it targets the ...
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Open AccessStudy of η(1405)/η(1475) in \( J/\psi \to \gamma {K}_S^0{K}_S^0{\pi}^0 \) decay
Using a sample of (10.09 ± 0.04) × 109 J/ψ decays collected with the BESIII detector, partial wave analyses of the decay J ...
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Open AccessConstraints on Higgs boson properties using \(WW^{*}(\rightarrow e\nu \mu \nu )jj\) production in \(36.1\,\mathrm{fb}^{-1}\) of \(\sqrt{s}=13\) TeV pp collisions with the ATLAS detector
This article presents the results of two studies of Higgs boson properties using the \(WW^*(\rightarrow e\nu \mu \nu )jj\) ...
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Open AccessSearch for neutral long-lived particles in pp collisions at \( \sqrt{s} \) = 13 TeV that decay into displaced hadronic jets in the ATLAS calorimeter
A search for decays of pair-produced neutral long-lived particles (LLPs) is presented using 139 fb−1 of proton-proton collision data collected by the ATLAS detector at the LHC in 2015–2018 at a centre-of-mass ene...
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Open AccessSearch for supersymmetry in events with four or more charged leptons in 139 fb−1 of \( \sqrt{s} \) = 13 TeV pp collisions with the ATLAS detector
A search for supersymmetry in events with four or more charged leptons (electrons, muons and τ-leptons) is presented. The analysis uses a data sample corresponding to 139 fb−1 of proton-proton collisions delivere...
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Open AccessSearch for new phenomena with top quark pairs in final states with one lepton, jets, and missing transverse momentum in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for new phenomena with top quark pairs in final states with one isolated electron or muon, multiple jets, and large missing transverse momentum is performed. Signal regions are designed to search for ...
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Open AccessSearch for pair production of scalar leptoquarks decaying into first- or second-generation leptons and top quarks in proton–proton collisions at \(\sqrt{s}\) = 13 TeV with the ATLAS detector
A search for pair production of scalar leptoquarks, each decaying into either an electron or a muon and a top quark, is presented. This is the first leptoquark search using ATLAS data to investigate top-philic...
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Open AccessMeasurements of top-quark pair single- and double-differential cross-sections in the all-hadronic channel in pp collisions at \( \sqrt{\mathrm{s}} \) = 13 TeV using the ATLAS detector
Differential cross-sections are measured for top-quark pair production in the all-hadronic decay mode, using proton-proton collision events collected by the ATLAS experiment in which all six decay jets are sep...
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Open AccessHiggs boson production cross-section measurements and their EFT interpretation in the \(4\ell \) decay channel at \(\sqrt{s}=\) 13 TeV with the ATLAS detector
Higgs boson properties are studied in the four-lepton decay channel (where lepton = e, \(\mu \) μ ...
