CERN Accelerating science

CERN Document Server 382 ჩანაწერია ნაპოვნი  დაწყებაწინა303 - 312შემდეგიდასასრული  ჩანაწერთან გადასვლა: ძიებას დასჭირდა 0.90 წამი. 
303.
Search for a new pseudoscalar decaying into a pair of muons in events with a top-quark pair at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
A search for a new pseudoscalar $a$-boson produced in events with a top-quark pair, where the $a$-boson decays into a pair of muons, is performed using $\sqrt{s} = 13$ TeV $pp$ collision data collected with the ATLAS detector at the LHC, corresponding to an integrated luminosity of $139~\mathrm{fb}^{-1}$. The search targets the final state where only one top quark decays to an electron or muon, resulting in a signature with three leptons $e\mu\mu$ and $\mu\mu\mu$. [...]
arXiv:2304.14247; CERN-EP-2023-070.- Geneva : CERN, 2023-11-01 - 26 p. - Published in : Phys. Rev. D 108 (2023) 092007 Fulltext: 2304.14247 - PDF; Publication - PDF; External link: Previous draft version
304.
Search in diphoton and dielectron final states for displaced production of Higgs or $Z$ bosons with the ATLAS detector in $\sqrt{s} = 13$ TeV $pp$ collisions / ATLAS Collaboration
A search is presented for displaced production of Higgs bosons or $Z$ bosons, originating from the decay of a neutral long-lived particle (LLP) and reconstructed in the decay modes $H\rightarrow \gamma\gamma$ and $Z\rightarrow ee$. The analysis uses the full Run 2 data set of proton-proton collisions delivered by the LHC at an energy of $\sqrt{s}=13$ TeV between 2015 and 2018 and recorded by the ATLAS detector, corresponding to an integrated luminosity of 139 fb$^{-1}$. [...]
arXiv:2304.12885; CERN-EP-2023-044.- Geneva : CERN, 2023-07-01 - 32 p. - Published in : Phys. Rev. D 108 (2023) 012012 Fulltext: 2304.12885 - PDF; Publication - PDF; External link: Previous draft version
305.
Performance of the reconstruction of large impact parameter tracks in the inner detector of ATLAS / ATLAS Collaboration
Searches for long-lived particles (LLPs) are among the most promising avenues for discovering physics beyond the Standard Model at the Large Hadron Collider (LHC). However, displaced signatures are notoriously difficult to identify due to their ability to evade standard object reconstruction strategies. [...]
arXiv:2304.12867; CERN-EP-2023-067.- Geneva : CERN, 2023-11-27 - 32 p. - Published in : Eur. Phys. J. C 83 (2023) 1081 Fulltext: 2304.12867 - PDF; document - PDF; External link: Previous draft version
306.
Search for an axion-like particle with forward proton scattering in association with photon pairs at ATLAS / ATLAS Collaboration
A search for forward proton scattering in association with light-by-light scattering mediated by an axion-like particle is presented, using the ATLAS Forward Proton spectrometer to detect scattered protons and the central ATLAS detector to detect pairs of outgoing photons. Proton-proton collision data recorded in 2017 at a centre-of-mass energy of $\sqrt{s} = 13$ TeV were analysed, corresponding to an integrated luminosity of 14.6 fb$^{-1}$. [...]
arXiv:2304.10953; CERN-EP-2023-049.- Geneva : CERN, 2023-07-31 - 36 p. - Published in : JHEP 2307 (2023) 234 Fulltext: 2304.10953 - PDF; document - PDF; External link: Previous draft version
307.
Search for heavy Majorana or Dirac neutrinos and right-handed W gauge bosons in final states with charged leptons and jets in pp collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
A search for heavy right-handed Majorana or Dirac neutrinos $N_{\mathrm{R}}$ and heavy right-handed gauge bosons $W_{\mathrm{R}}$ is performed in events with energetic electrons or muons, with the same or opposite electric charge, and energetic jets. The search is carried out separately for topologies of clearly separated final-state products (``resolved'' channel) and topologies with boosted final states with hadronic products partially overlapping and reconstructed as a large-radius jet (``boosted'' channel). [...]
arXiv:2304.09553; CERN-EP-2023-034.- Geneva : CERN, 2023-12-20 - 35 p. - Published in : Eur. Phys. J. C 83 (2023) 1164 Fulltext: 2304.09553 - PDF; Publication - PDF; External link: Previous draft version
308.
Test of CP-invariance of the Higgs boson in vector-boson fusion production and in its decay into four leptons / ATLAS Collaboration
A search for CP violation in the decay kinematics and vector-boson production of the Higgs boson is performed in the $H \to ZZ^{*} \to 4\ell$ ($\ell = e,\mu$) decay channel. The results are based on proton-proton collision data produced at the LHC at a centre-of-mass energy of 13 TeV and recorded by the ATLAS detector from 2015 to 2018, corresponding to an integrated luminosity of 139 $\mbox{fb\(^{-1}\)}$. [...]
arXiv:2304.09612; CERN-EP-2023-030.- Geneva : CERN, 2024-05-09 - 66 p. - Published in : JHEP 2405 (2024) 105 Fulltext: 2304.09612 - PDF; document - PDF; External link: Previous draft version
309.
Observation of an Excess of Dicharmonium Events in the Four-Muon Final State with the ATLAS Detector / ATLAS Collaboration
A search is made for potential $cc\bar{c}\bar{c}$ tetraquarks decaying into a pair of charmonium states in the four muon final state using proton-proton collision data at $\sqrt{s}=13$ TeV, corresponding to an integrated luminosity of 140 fb$^{-1}$ recorded by the ATLAS experiment at LHC. Two decay channels, $J/\psi+J/\psi \rightarrow 4\mu$ and $J/\psi+\psi(2S) \rightarrow 4\mu$, are studied. [...]
arXiv:2304.08962; CERN-EP-2023-035.- Geneva : CERN, 2023-10-13 - 22 p. - Published in : Phys. Rev. Lett. 131 (2023) 151902 Fulltext: 2304.08962 - PDF; Publication - PDF; External link: Previous draft version
310.
Integrated and differential fiducial cross-section measurements for the vector boson fusion production of the Higgs boson in the <math display="inline"><mi>H</mi><mrow><mo stretchy="false">→</mo></mrow><mi>W</mi><msup><mi>W</mi><mo>*</mo></msup><mrow><mo stretchy="false">→</mo></mrow><mi>e</mi><mi>ν</mi><mi>μ</mi><mi>ν</mi></math> decay channel at 13 TeV with the ATLAS detector / ATLAS Collaboration
The vector-boson production cross-section for the Higgs boson decay in the $H \rightarrow WW^{\ast} \rightarrow e\nu\mu\nu$ channel is measured as a function of kinematic observables sensitive to the Higgs boson production and decay properties as well as integrated in a fiducial phase space. The analysis is performed using the proton$-$proton collision data collected by the ATLAS detector in Run 2 of the LHC at $\sqrt{s}= 13$ $\text{TeV}$ center-of-mass energy, corresponding to an integrated luminosity of 139 fb$^{-1}$. [...]
arXiv:2304.03053; CERN-EP-2023-025.- Geneva : CERN, 2023-10-01 - 52 p. - Published in : Phys. Rev. D 108 (2023) 072003 Fulltext: 2304.03053 - PDF; Publication - PDF; External link: Previous draft version
311.
Search for top-philic heavy resonances in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
A search for associated production of a heavy $Z'$ boson with a top-quark or a top-antitop-quark pair, and decaying into a $t\bar{t}$ pair is presented. The search uses the data recorded by the ATLAS detector in $pp$ collisions at $\sqrt{s}= 13$ TeV at the Large Hadron Collider during the years 2015-2018, corresponding to an integrated luminosity of 139 fb$^{-1}$. [...]
arXiv:2304.01678; CERN-EP-2023-048.- Geneva : CERN, 2024-02-15 - 47 p. - Published in : Eur. Phys. J. C 84 (2024) 157 Fulltext: 2304.01678 - PDF; document - PDF; External link: Previous draft version
312.
Evidence of off-shell Higgs boson production from $ZZ$ leptonic decay channels and constraints on its total width with the ATLAS detector / ATLAS Collaboration
This Letter reports on a search for off-shell production of the Higgs boson using 139 $\textrm{fb}^{-1}$ of $pp$ collision data at $\sqrt{s}=$ 13 TeV collected by the ATLAS detector at the Large Hadron Collider. The signature is a pair of $Z$ bosons, with contributions from both the production and subsequent decay of a virtual Higgs boson and the interference of that process with other processes. [...]
arXiv:2304.01532; CERN-EP-2023-023.- Geneva : CERN, 2023-10-05 - 29 p. Fulltext: 2304.01532 - PDF; Publication - PDF; External link: Previous draft version

CERN Document Server : 382 ჩანაწერია ნაპოვნი   დაწყებაწინა303 - 312შემდეგიდასასრული  ჩანაწერთან გადასვლა:
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