394 Result(s)
within
English
Elementary Particles, Quantum Field Theory
**-sen Xu
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Article
Open AccessConstraining primordial black holes as dark matter using AMS-02 data
Primordial black holes (PBHs) are the plausible candidates for the cosmological dark matter. Theoretically, PBHs with masses $$M_{\textrm{PBH}...
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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 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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Article
Open AccessSearch for direct production of winos and higgsinos in events with two same-charge leptons or three leptons in pp collision data at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for supersymmetry targeting the direct production of winos and higgsinos is conducted in final states with either two leptons (e or μ) with the same electric charge, or three leptons. The analysis uses 1...
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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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Article
Open AccessMeasurements of multijet event isotropies using optimal transport with the ATLAS detector
A measurement of novel event shapes quantifying the isotropy of collider events is performed in 140 fb−1 of proton-proton collisions with ...
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Open AccessSearch for dark matter produced in association with a Higgs boson decaying to tau leptons at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for dark matter produced in association with a Higgs boson in final states with two hadronically decaying τ-leptons and missing transverse momentum is presented. The analysis uses 139 fb−1 of proton-prot...
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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 AccessSearch for a light charged Higgs boson in t → H±b decays, with H± → cb, in the lepton+jets final state in proton-proton collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for a charged Higgs boson, H±, produced in top-quark decays, t → H±b, is presented. The search targets H± decays into a bottom and a charm quark, H± → cb. The analysis focuses on a selection enriched in ...
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Article
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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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 AccessEvidence for the charge asymmetry in pp → \( t\overline{t} \) production at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
Inclusive and differential measurements of the top–antitop ( t t
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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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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 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 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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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 AccessCombination of inclusive top-quark pair production cross-section measurements using ATLAS and CMS data at \( \sqrt{s} \) = 7 and 8 TeV
A combination of measurements of the inclusive top-quark pair production cross-section performed by ATLAS and CMS in proton–proton collisions at centre-of-mass energies of 7 and 8 TeV at the LHC is presented. ...
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Open AccessSearch for \( t\overline{t}H/A\to t\overline{t}t\overline{t} \) production in the multilepton final state in proton–proton collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for a new heavy scalar or pseudo-scalar Higgs boson (H/A) produced in association with a pair of top quarks, with the Higgs boson decaying into a pair of top quarks (H/A →
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Open AccessSearch for a new scalar resonance in flavour-changing neutral-current top-quark decays t → qX (q = u, c), with X → \( b\overline{b} \) , in proton-proton collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for flavour-changing neutral-current decays of a top quark into an up-type quark (either up or charm) and a light scalar particle X decaying into a bottom anti-bottom quark pair is presented. The search ...
