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2022-06-24
16:34
Measurement of muon pairs produced via $\gamma\gamma$ scattering in non-ultraperipheral Pb+Pb collisions at $\sqrt{s_{_\mathrm{NN}}} = 5.02$ TeV with the ATLAS detector
Results of a measurement of dimuon photoproduction in non-ultraperipheral Pb+Pb collisions at $\sqrt{s_{_\mathrm{NN}}} = 5.02$ TeV are presented. [...]
arXiv:2206.12594 ; CERN-EP-2022-047. - 2022. - 49 p.
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2022-06-24
11:52
Search 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. [...]
arXiv:2206.12181 ; CERN-EP-2022-054. - 2022. - 34 p.
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2022-06-13
11:52
Search for new phenomena in final states with photons, jets and missing transverse momentum in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
A search for new phenomena has been performed in final states with at least one isolated high-momentum photon, jets and missing transverse momentum in proton--proton collisions at a centre-of-mass energy of $\sqrt{s} = 13$ TeV. [...]
arXiv:2206.06012 ; CERN-EP-2022-012. - 2022. - 20 p.
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2022-06-02
17:57
Strong constraints on jet quenching in centrality-dependent $p$+Pb collisions at 5.02 TeV from ATLAS
Jet quenching is the process of color-charged partons losing energy via interactions with quark-gluon plasma droplets created in heavy-ion collisions. [...]
arXiv:2206.01138 ; CERN-EP-2022-086. - 2022. - 11 p.
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2022-05-24
09:48
Combination 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. [...]
arXiv:2205.13830 ; CERN-EP-2021-222 ; CMS-TOP-18-014 ; CERN-LPCC-2022-03 ; CERN-LPCC-2022-03. - 2022. - 21 p.
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2022-05-12
15:14
Search for heavy, long-lived, charged particles with large ionisation energy loss in $pp$ collisions at $\sqrt{s} = 13~\text{TeV}$ 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 $\mathrm{fb^{-1}}$ of proton-proton collisions at $\sqrt{s}=13$ TeV. [...]
arXiv:2205.06013 ; CERN-EP-2022-029. - 2022. - 38 p.
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2022-05-06
14:55
Production of $\varUpsilon(\textrm{nS})$ mesons in Pb+Pb and $pp$ collisions at 5.02 TeV
A measurement of the production of vector bottomonium states, $\varUpsilon(\textrm{1S})$, $\varUpsilon(\textrm{2S})$, and $\varUpsilon(\textrm{3S})$, in Pb+Pb and $pp$ collisions at a center-of-mass energy per nucleon pair of 5.02 TeV is presented. [...]
arXiv:2205.03042 ; CERN-EP-2022-045. - 2022. - 20 p.
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2022-05-06
13:53
Differential $t\bar{t}$ 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 $\text{TeV}$ proton-proton collisions recorded by the ATLAS detector at the LHC. [...]
arXiv:2205.02817 ; CERN-EP-2022-026. - 2022. - 86 p.
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2022-05-05
12:04
Search for flavour-changing neutral-current couplings between the top quark and the photon with the ATLAS detector at $\sqrt{s} = 13$ TeV
This letter documents a search for flavour-changing neutral currents (FCNCs), which are strongly suppressed in the Standard Model, in events with a photon and a top quark with the ATLAS detector. [...]
arXiv:2205.02537 ; CERN-EP-2022-042. - 2022. - 25 p.
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2022-05-05
11:13
Cross-section measurements for the production of a $Z$ boson in association with high-transverse-momentum jets in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
Cross-section measurements for a $Z$ boson produced in association with high-transverse-momentum jets ($p_{\mathrm{T}} \geq 100$ GeV) and decaying into a charged-lepton pair ($e^+e^-,\mu^+\mu^-$) are presented. [...]
arXiv:2205.02597 ; CERN-EP-2022-075. - 2022. - 29 p.
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