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CERN Document Server 找到 1,030 筆記錄  1 - 10下一個最後  跳到記錄: 檢索需時 0.53 秒. 
1.
Search for a light CP-odd Higgs boson decaying into a pair of $\tau$-leptons in proton-proton collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
This paper reports a search for a light CP-odd scalar resonance with a mass of 20 GeV to 90 GeV in 13 TeV proton-proton collision data with an integrated luminosity of 140 fb$^{-1}$ collected with the ATLAS detector at the Large Hadron Collider. The analysis assumes the resonance is produced via gluon-gluon fusion and decays exclusively into a $\tau^{+}\tau^{-}$ pair which decays into a fully leptonic $\mu^{+}\nu_{\mu} \bar{\nu}_{\tau} e^{-} \bar{\nu}_{e} \nu_{\tau}$ or $e^{+}\nu_{e}\bar{\nu}_{\tau} \mu^-\bar{\nu}_{\mu}\nu_{\tau}$ final state. [...]
arXiv:2409.20381; CERN-EP-2024-235.- Geneva : CERN, 2024-12-17 - 52 p. - Published in : JHEP 2412 (2024) 126 Fulltext: ANA-HDBS-2021-08-PAPER - PDF; 2409.20381 - PDF; document - PDF; External link: Previous draft version
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2.
Search for supersymmetry using vector boson fusion signatures and missing transverse momentum in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
This paper presents a search for supersymmetric particles in models with highly compressed mass spectra, in events consistent with being produced through vector boson fusion. The search uses 140 fb$^{-1}$ of proton-proton collision data at $\sqrt{s}=13$ TeV collected by the ATLAS experiment at the Large Hadron Collider. [...]
arXiv:2409.18762; CERN-EP-2024-246.- Geneva : CERN, 2024-12-17 - 45 p. - Published in : JHEP 2412 (2024) 116 Fulltext: 2409.18762 - PDF; document - PDF; External link: Previous draft version
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3.
Accuracy versus precision in boosted top tagging with the ATLAS detector / ATLAS Collaboration
The identification of top quark decays where the top quark has a large momentum transverse to the beam axis, known as \textit{top tagging}, is a crucial component in many measurements of Standard Model processes and searches for beyond the Standard Model physics at the Large Hadron Collider. Machine learning techniques have improved the performance of top tagging algorithms, but the size of the systematic uncertainties for all proposed algorithms has not been systematically studied. [...]
arXiv:2407.20127; CERN-EP-2024-159.- Geneva : CERN, 2024-08-27 - 47 p. - Published in : JINST 19 (2024) P08018 Fulltext: 2407.20127 - PDF; document - PDF; External link: Previous draft version
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4.
Using pile-up collisions as an abundant source of low-energy hadronic physics processes in ATLAS and an extraction of the jet energy resolution / ATLAS Collaboration
During the 2015-2018 data-taking period, the Large Hadron Collider delivered proton-proton bunch crossings at a centre-of-mass energy of 13 TeV to the ATLAS experiment at a rate of roughly 30 MHz, where each bunch crossing contained an average of 34 independent inelastic proton-proton collisions. The ATLAS trigger system selected roughly 1 kHz of these bunch crossings to be recorded to disk. [...]
arXiv:2407.10819; CERN-EP-2024-192.- Geneva : CERN, 2024-12-04 - 51 p. - Published in : JHEP 2412 (2024) 032 Fulltext: ANA-JETM-2023-08-PAPER - PDF; 2407.10819 - PDF; document - PDF; External link: Previous draft version
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5.
Search for neutral long-lived particles that decay into displaced jets in the ATLAS calorimeter in association with leptons or jets using pp collisions at $ \sqrt{\textrm{s}} $ = 13 TeV / ATLAS Collaboration
A search for neutral long-lived particles (LLPs) decaying in the ATLAS hadronic calorimeter using 140 fb$^{-1}$ of proton-proton collisions at $\sqrt{s}=13$ TeV delivered by the LHC is presented. The analysis is composed of three channels. [...]
arXiv:2407.09183; CERN-EP-2024-181.- Geneva : CERN, 2024-11-06 - 52 p. - Published in : JHEP 2411 (2024) 036 Fulltext: ANA-EXOT-2022-04-PAPER - PDF; 2407.09183 - PDF; document - PDF; External link: Previous draft version
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6.
Sensor response and radiation damage effects for 3D pixels in the ATLAS IBL Detector / ATLAS Collaboration
Pixel sensors in 3D technology equip the outer ends of the staves of the Insertable B Layer (IBL), the innermost layer of the ATLAS Pixel Detector, which was installed before the start of LHC Run 2 in 2015. 3D pixel sensors are expected to exhibit more tolerance to radiation damage and are the technology of choice for the innermost layer in the ATLAS tracker upgrade for the HL-LHC programme. [...]
arXiv:2407.05716; CERN-EP-2024-156.- Geneva : CERN, 2024-10-04 - 42 p. - Published in : JINST 19 (2024) P10008 Fulltext: ANA-PIXE-2023-02-PAPER - PDF; 2407.05716 - PDF; document - PDF; External link: Previous draft version
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7.
Measurement of differential cross-sections in $ t\overline{t} $ and $ t\overline{t} $+jets production in the lepton+jets final state in pp collisions at $ \sqrt{s} $ = 13 TeV using 140 fb$^{−1}$ of ATLAS data / ATLAS Collaboration
Differential cross-sections for top-quark pair production, inclusively and in association with jets, are measured in $pp$ collisions at a centre-of-mass energy of 13 TeV with the ATLAS detector at the LHC using an integrated luminosity of 140 fb$^{-1}$. The events are selected with one charged lepton (electron or muon) and at least four jets. [...]
arXiv:2406.19701; CERN-EP-2024-163.- Geneva : CERN, 2024-08-22 - 85 p. - Published in : JHEP 2408 (2024) 182 Fulltext: 2406.19701 - PDF; document - PDF; External link: Previous draft version
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8.
Combination of searches for Higgs boson decays into a photon and a massless dark photon using $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
A combination of searches for Higgs boson decaying into a visible photon and a massless dark photon ($H\to\gamma\gamma_{\text{d}}$) is presented using 139 fb$^{-1}$ of proton-proton collision data at a centre-of-mass energy of $\sqrt{s} = 13$ TeV recorded by the ATLAS detector at the Large Hadron Collider. The observed (expected) 95% confidence level upper limit on the Standard Model Higgs boson decay branching ratio is determined to be $\mathcal{B}(H\to\gamma\gamma_{\text{d}}) < $ 1.3 % (1.5) %. [...]
arXiv:2406.01656; CERN-EP-2024-152.- Geneva : CERN, 2024-08-20 - 35 p. - Published in : JHEP 2408 (2024) 153 Fulltext: 2406.01656 - PDF; document - PDF; ANA-EXOT-2023-01-PAPER - PDF; External link: Previous draft version
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9.
Search for new particles in events with a hadronically decaying W or Z boson and large missing transverse momentum at $ \sqrt{s} $ = 13 TeV using the ATLAS detector / ATLAS Collaboration
A search is presented for new particles produced in proton-proton collisions at a centre-of-mass energy of 13 TeV that result in final states comprising a massive vector ($W$ or $Z$) boson that decays hadronically and large missing transverse momentum. The data sample was collected with the ATLAS experiment at the Large Hadron Collider from 2015 to 2018 and corresponds to an integrated luminosity of 140 fb$^{-1}$. [...]
arXiv:2406.01272; CERN-EP-2024-128.- Geneva : CERN, 2024-11-22 - 52 p. - Published in : JHEP 2411 (2024) 126 Fulltext: 2406.01272 - PDF; document - PDF; External link: Previous draft version
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10.
Search for a resonance decaying into a scalar particle and a Higgs boson in final states with leptons and two photons in proton-proton collisions at $\sqrt s=13$ TeV with the ATLAS detector / ATLAS Collaboration
A search for a hypothetical heavy scalar particle, $X$, decaying into a singlet scalar particle, $S$, and a Standard Model Higgs boson, $H$, using 140 fb$^{-1}$ of proton-proton collision data at the centre-of-mass energy of 13 TeV recorded with the ATLAS detector at the LHC is presented. The explored mass range is $300 \leq m_X \leq 1000$ GeV and $170 \leq m_S \leq 500$ GeV. [...]
arXiv:2405.20926; CERN-EP-2024-147.- Geneva : CERN, 2024-10-11 - 46 p. - Published in : JHEP 2410 (2024) 104 Fulltext: 2405.20926 - PDF; Publication - PDF; document - PDF; External link: Previous draft version
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