63 Result(s)
within
**n-ran Dong
English
Quantum Physics
-
Article
Open AccessSearch for a new Z′ gauge boson in 4μ events with the ATLAS experiment
This paper presents a search for a new Z′ vector gauge boson with the ATLAS experiment at the Large Hadron Collider using pp collision data collected at ...
-
Article
Open AccessSearch for resonant and non-resonant Higgs boson pair production in the \( b\overline{b}{\tau}^{+}{\tau}^{-} \) 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 τ-leptons is presented, using a proton–proton collision dataset with an integrated luminosity of 139 fb−1 collected at
-
Article
Open AccessSearch for long-lived, massive particles in events with displaced vertices and multiple jets in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for long-lived particles decaying into hadrons is presented. The analysis uses 139 fb−1 of pp collision data collected at ...
-
Article
Open AccessExclusive dielectron production in ultraperipheral Pb+Pb collisions at \( \sqrt{s_{\textrm{NN}}} \) = 5.02 TeV with ATLAS
Exclusive production of dielectron pairs, γγ → e+e−, is studied using L int ...
-
Article
Open AccessSearch for pair-produced scalar and vector leptoquarks decaying into third-generation quarks and first- or second-generation leptons in pp collisions with the ATLAS detector
A search for pair-produced scalar and vector leptoquarks decaying into quarks and leptons of different generations is presented. It uses the full LHC Run 2 (2015–2018) data set of 139 fb−1 collected with the ATLA...
-
Article
Open AccessSearch for heavy, long-lived, charged particles with large ionisation energy loss in pp collisions at \( \sqrt{s} \) = 13 TeV using the ATLAS experiment and the full Run 2 dataset
This paper presents a search for hypothetical massive, charged, long-lived particles with the ATLAS detector at the LHC using an integrated luminosity of 139 fb−1 of proton–proton collisions at
-
Article
Open AccessSearch for light long-lived neutral particles that decay to collimated pairs of leptons or light hadrons in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for light long-lived neutral particles with masses in the O(MeV–GeV) range is presented. The analysis targets the production of long-lived dark photons in the decay of a Higgs boson produced via gluon–gl...
-
Article
Open AccessA search for new resonances in multiple final states with a high transverse momentum Z boson in \( \sqrt{s} \) = 13 TeV pp collisions with the ATLAS detector
A generic search for resonances is performed with events containing a Z boson with transverse momentum greater than 100 GeV, decaying into e+e− or μ+μ−. The analysed data collected with the ATLAS detector in prot...
-
Article
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 ...
-
Article
Open AccessDifferential \( t\overline{t} \) cross-section measurements using boosted top quarks in the all-hadronic final state with 139 fb−1 of ATLAS data
Measurements of single-, double-, and triple-differential cross-sections are presented for boosted top-quark pair-production in 13 TeV proton–proton collisions recorded by the ATLAS detector at the LHC. The to...
-
Article
Open AccessMeasurements of the Higgs boson inclusive and differential fiducial cross-sections in the diphoton decay channel with pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A measurement of inclusive and differential fiducial cross-sections for the production of the Higgs boson decaying into two photons is performed using 139 fb−1 of proton-proton collision data recorded at ...
-
Article
Open AccessMeasurements 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 at \( \sqrt{s} \) = 13 TeV
Cross-section measurements of top-quark pair production where the hadronically decaying top quark has transverse momentum greater than 355 GeV and the other top quark decays into ℓνb are presented using 139 fb−1 ...
-
Article
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...
-
Article
Open AccessSearch for Higgs bosons decaying into new spin-0 or spin-1 particles in four-lepton final states with the ATLAS detector with 139 fb−1 of pp collision data at \( \sqrt{s} \) = 13 TeV
Searches are conducted for new spin-0 or spin-1 bosons using events where a Higgs boson with mass 125 GeV decays into four leptons (ℓ = e, μ). This decay is presumed to occur via an intermediate state which conta...
-
Article
Open AccessSearch for exotic decays of the Higgs boson into b \( \overline{b} \) and missing transverse momentum in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for the exotic decay of the Higgs boson (H) into a b b ¯ ...
-
Article
Open AccessSearch for exotic decays of the Higgs boson into long-lived particles in pp collisions at \( \sqrt{s} \) = 13 TeV using displaced vertices in the ATLAS inner detector
A novel search for exotic decays of the Higgs boson into pairs of long-lived neutral particles, each decaying into a bottom quark pair, is performed using 139 fb−1 of
-
Article
Open AccessSearch for dark matter produced in association with a Standard Model Higgs boson decaying into b-quarks using the full Run 2 dataset from the ATLAS detector
The production of dark matter in association with Higgs bosons is predicted in several extensions of the Standard Model. An exploration of such scenarios is presented, considering final states with missing tra...
-
Article
Open AccessMeasurement of the t \( \overline{t} \) t \( \overline{t} \) production cross section in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A measurement of four-top-quark production using proton-proton collision data at a centre-of-mass energy of 13 TeV collected by the ATLAS detector at the Large Hadron Collider corresponding to an integrated lu...
-
Article
Open AccessA search for the decays of stopped long-lived particles at \( \sqrt{\mathrm{s}} \) = 13 TeV with the ATLAS detector
A search for long-lived particles, which have come to rest within the ATLAS detector, is presented. The subsequent decays of these particles can produce high-momentum jets, resulting in large out-of-time energ...
-
Article
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...
