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CERN Document Server 460 records found  1 - 10nextend  jump to record: Search took 0.66 seconds. 
1.
Search for a new scalar decaying into new spin-1 bosons in four-lepton final states with the ATLAS detector / ATLAS Collaboration
A search is conducted for a new scalar boson $S$, with a mass distinct from that of the Higgs boson, decaying into four leptons ($\ell =$ $e$, $\mu$) via an intermediate state containing two on-shell, promptly decaying new spin-1 bosons $Z_\text{d}$: $S \rightarrow Z_\text{d}Z_\text{d} \rightarrow 4\ell$, where the $Z_\text{d}$ boson has a mass between 15 and 300 GeV, and the $S$ boson has a mass between either 30 and 115 GeV or 130 and 800 GeV. [...]
arXiv:2410.16781 ; CERN-EP-2024-248. - 2024 - 35.
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2.
Precise measurements of $W$- and $Z$-boson transverse momentum spectra with the ATLAS detector using $pp$ collisions at $\sqrt{s} = 5.02$ TeV and $13$ TeV / ATLAS Collaboration
This paper describes measurements of the transverse momentum spectra of $W$ and $Z$ bosons produced in proton-proton collisions at centre-of-mass energies of $\sqrt{s}=5.02$ TeV and $\sqrt{s}=13$ TeV with the ATLAS experiment at the Large Hadron Collider. Measurements are performed in the electron and muon channels, $W \to \ell\nu$ and $Z \to \ell\ell$ ($\ell=e$ or $\mu$), and for $W$ events further separated by charge. [...]
arXiv:2404.06204; CERN-EP-2024-080.- Geneva : CERN, 2024-10-30 - 85 p. - Published in : Eur. Phys. J. C 84 (2024) 1126 Fulltext: 2404.06204 - PDF; document - PDF; External link: Previous draft version
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3.
Search for pair-produced higgsinos decaying via Higgs or $Z$ bosons to final states containing a pair of photons and a pair of $b$-jets with the ATLAS detector / ATLAS Collaboration
A search is presented for the pair production of higgsinos $\tilde{\chi}$ in gauge-mediated supersymmetry models, where the lightest neutralinos $\tilde{\chi}_1^0$ decay into a light gravitino $\tilde{G}$ either via a Higgs $h$ or $Z$ boson. The search is performed with the ATLAS detector at the Large Hadron Collider using 139 fb$^{-1}$ of proton-proton collisions at a centre-of-mass energy of $\sqrt{s}$ = 13 TeV. [...]
arXiv:2404.01996; CERN-EP-2023-039.- Geneva : CERN, 2024-08-08 - 24 p. - Published in : Phys. Lett. B 856 (2024) 138938 Fulltext: 2404.01996 - PDF; Publication - PDF; External link: Previous draft version
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4.
Measurement of t-channel production of single top quarks and antiquarks in pp collisions at 13 TeV using the full ATLAS Run 2 data sample / ATLAS Collaboration
The production of single top quarks and top antiquarks via the $t$-channel exchange of a virtual $W$ boson is measured in proton-proton collisions at a centre-of-mass energy of 13 TeV at the LHC using $140\,\mathrm{fb^{-1}}$ of ATLAS data. The total cross-sections are determined to be $\sigma(tq)=137^{+8}_{-8}\,\mathrm{pb}$ and $\sigma(\bar{t}q)=84^{+6}_{-5}\,\mathrm{pb}$ for top-quark and top-antiquark production, respectively. [...]
arXiv:2403.02126; CERN-EP-2023-289.- Geneva : CERN, 2024-05-28 - 61 p. - Published in : JHEP 2405 (2024) 305 Fulltext: 2403.02126 - PDF; document - PDF; External link: Previous draft version
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5.
Search for high-mass resonances in final states with a $\tau$-lepton and missing transverse momentum with the ATLAS detector / ATLAS Collaboration
A search for high-mass resonances decaying into a tau-lepton and a neutrino using proton–proton collisions at a center-of-mass energy of $\sqrt{s}= 13$ TeV is presented. The full Run 2 data sample corresponding to an integrated luminosity of 139 fb$^{-1}$ recorded by the ATLAS experiment in the years 2015-2018 is analyzed. [...]
arXiv:2402.16576; CERN-EP-2023-298.- Geneva : CERN, 2024-06-01 - 28 p. - Published in : Phys. Rev. D 109 (2024) 112008 Fulltext: 2402.16576 - PDF; Publication - PDF; External link: Previous draft version
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6.
Search for electroweak production of supersymmetric particles in final states with two $\tau$-leptons in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector / ATLAS Collaboration
Three searches for the direct production of staus or charginos and neutralinos in final states with at least two hadronically decaying $\tau$-leptons are presented. For chargino and neutralino production, decays via intermediate staus or $W$ and $h$ bosons are considered. [...]
arXiv:2402.00603; CERN-EP-2023-295.- Geneva : CERN, 2024-05-13 - 65 p. - Published in : JHEP 2405 (2024) 150 Fulltext: 2402.00603 - PDF; Publication - PDF; External link: Previous draft version
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7.
Measurement of the total and differential cross-sections of $t\bar{t}W$ production in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
Measurements of inclusive and differential production cross-sections of a top-quark-top-antiquark pair in association with a $W$ boson ($t\bar{t}W$) are presented. They are performed by targeting final states with two same-sign or three isolated leptons (electrons or muons) and are based on $\sqrt{s}=13$ TeV proton-proton collision data with an integrated luminosity of 140 fb$^{-1}$, recorded from 2015 to 2018 with the ATLAS detector at the Large Hadron Collider. [...]
arXiv:2401.05299; CERN-EP-2023-260.- Geneva : CERN, 2024-05-10 - 71 p. - Published in : JHEP 2405 (2024) 131 Fulltext: 2401.05299 - PDF; document - PDF; External link: Previous draft version
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8.
Measurement of jet substructure in boosted $t\bar{t}$ events with the ATLAS detector using 140 fb$^{-1}$ of 13 TeV $pp$ collisions / ATLAS Collaboration
Measurements of the substructure of top-quark jets are presented, using 140 fb$^{-1}$ of 13 TeV $pp$ collision data recorded with the ATLAS detector at the LHC. Top-quark jets reconstructed with the anti-$k_{t}$ algorithm with a radius parameter $R=1.0$ are selected in top-quark pair ($t\bar{t}$) events where one top quark decays semileptonically and the other hadronically, or where both top quarks decay hadronically. [...]
arXiv:2312.03797; CERN-EP-2023-239.- Geneva : CERN, 2024-06-01 - 49 p. - Published in : Phys. Rev. D 109 (2024) 112016 Fulltext: 2312.03797 - PDF; Publication - PDF; External link: Previous draft version
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9.
Measurement and interpretation of same-sign W boson pair production in association with two jets in pp collisions at $ \sqrt{s} $ = 13 TeV with the ATLAS detector / ATLAS Collaboration
This paper presents the measurement of fiducial and differential cross sections for both the inclusive and electroweak production of a same-sign $W$-boson pair in association with two jets ($W^\pm W^\pm jj$) using 139 fb$^{-1}$ of proton-proton collision data recorded at a centre-of-mass energy of $\sqrt{s}=13$ TeV by the ATLAS detector at the Large Hadron Collider. The analysis is performed by selecting two same-charge leptons, electron or muon, and at least two jets with large invariant mass and a large rapidity difference. [...]
arXiv:2312.00420; CERN-EP-2023-221.- Geneva : CERN, 2024-04-04 - 57 p. - Published in : JHEP 2404 (2024) 026 Fulltext: 2312.00420 - PDF; document - PDF; External link: Previous draft version
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10.
Study of $Z \to ll\gamma$ decays at $\sqrt s$ = 8 TeV with the ATLAS detector / ATLAS Collaboration
This paper presents a study of $Z \to ll\gamma$ decays with the ATLAS detector at the Large Hadron Collider. The analysis uses a proton-proton data sample corresponding to an integrated luminosity of 20.2 fb$^{-1}$ collected at a centre-of-mass energy $\sqrt{s}$ = 8 TeV. [...]
arXiv:2310.11574; CERN-EP-2022-265.- Geneva : CERN, 2024-02-26 - 43 p. - Published in : Eur. Phys. J. C 84 (2024) 195 Fulltext: 2310.11574 - PDF; document - PDF; External link: Previous draft version
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2 Bakalis, C
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