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CERN Document Server 44 notices trouvées  1 - 10suivantfin  aller vers la notice: La recherche a duré 0.61 secondes. 
1.
Constraints on dark matter models involving an $s$-channel mediator with the ATLAS detector in $pp$ collisions at $\sqrt{s} = 13$ TeV / ATLAS Collaboration
This paper reports a summary of searches for a fermionic dark matter candidate in the context of theoretical models characterised by a mediator particle exchange in the $s$-channel. The data sample considered consists of $pp$ collisions delivered by the Large Hadron Collider during its Run 2 at a centre-of-mass energy of $\sqrt{s} = 13$ TeV and recorded by the ATLAS detector, corresponding to up to 140 $fb^{-1}$. [...]
arXiv:2404.15930; CERN-EP-2024-102.- Geneva : CERN, 2024-10-24 - 55 p. - Published in : Eur. Phys. J. C 84 (2024) 1102 Fulltext: 2404.15930 - PDF; document - PDF; External link: Previous draft version
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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 flavour-changing neutral-current couplings between the top quark and the Higgs boson in multi-lepton final states in 13 TeV $pp$ collisions with the ATLAS detector / ATLAS Collaboration
A search is presented for flavour-changing neutral-current interactions involving the top quark, the Higgs boson and an up-type quark ($q=u,c$) with the ATLAS detector at the Large Hadron Collider. The analysis considers leptonic decays of the top quark along with Higgs boson decays into two $W$ bosons, two $Z$ bosons or a $\tau^{+}\tau^{-}$ pair. [...]
arXiv:2404.02123; CERN-EP-2024-070; CERN-EP-2024-070.- Geneva : CERN, 2024-07-29 - 62 p. - Published in : Eur. Phys. J. C 84 (2024) 757 Fulltext: 2404.02123 - PDF; document - PDF; External link: Previous draft version
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4.
Measurements of the production cross-section for a Z boson in association with b- or c-jets in proton–proton collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
This paper presents a measurement of the production cross-section of a $Z$ boson in association with $b$- or $c$-jets, in proton-proton collisions at $\sqrt{s} = 13$ TeV with the ATLAS experiment at the Large Hadron Collider using data corresponding to an integrated luminosity of 140 fb$^{-1}$. Inclusive and differential cross-sections are measured for events containing a $Z$ boson decaying into electrons or muons and produced in association with at least one $b$-jet, at least one $c$-jet, or at least two $b$-jets with transverse momentum $p_\textrm{T} > 20$ GeV and rapidity $|y| < 2.5$. [...]
arXiv:2403.15093; CERN-EP-2024-081.- Geneva : CERN, 2024-09-27 - 60 p. - Published in : Eur. Phys. J. C 84 (2024) 984 Fulltext: 2403.15093 - PDF; document - PDF; External link: Previous draft version
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5.
Fiducial and differential cross-section measurements of electroweak $W\gamma jj$ production in pp collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
The observation of the electroweak production of a $W$ boson and a photon in association with two jets, using $pp$ collision data at the Large Hadron Collider at a centre of mass energy of $\sqrt{s}=13$ TeV, is reported. The data were recorded by the ATLAS experiment from 2015 to 2018 and correspond to an integrated luminosity of 140 fb$^{-1}$. [...]
arXiv:2403.02809; CERN-EP-2024-048.- Geneva : CERN, 2024-10-15 - 48 p. - Published in : Eur. Phys. J. C 84 (2024) 1064 Fulltext: 2403.02809 - PDF; document - PDF; External link: Previous draft version
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6.
Precise test of lepton flavour universality in $W$-boson decays into muons and electrons in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
The ratio of branching ratios of the $W$ boson to muons and electrons, $R^{\mu/e}_W=B(W\rightarrow \mu\nu)/B(W\rightarrow e\nu)$, has been measured using 140 fb$^{-1}$ of $pp$ collision data at $\sqrt{s}=13$ TeV collected with the ATLAS detector at the LHC, probing the universality of lepton couplings. The ratio is obtained from measurements of the $t\bar{t}$ production cross-section in the $ee$, $e\mu$ and $\mu\mu$ dilepton final states. [...]
arXiv:2403.02133; CERN-EP-2024-063.- Geneva : CERN, 2024-10-01 - 33 p. - Published in : Eur. Phys. J. C 84 (2024) 993 Fulltext: document - PDF; 2403.02133 - PDF; Publication - PDF; External link: Previous draft version
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7.
Search for short- and long-lived axion-like particles in $H\rightarrow a a \rightarrow 4\gamma$ decays with the ATLAS experiment at the LHC / ATLAS Collaboration
Presented is the search for anomalous Higgs boson decays into two axion-like particles (ALPs) using the full Run 2 data set of 140 fb$^{-1}$ of proton-proton collisions at a centre-of-mass energy of 13 TeV recorded by the ATLAS experiment. The ALPs are assumed to decay into two photons, providing sensitivity to recently proposed models that could explain the $(g-2)_\mu$ discrepancy. [...]
arXiv:2312.03306; CERN-EP-2023-202.- Geneva : CERN, 2024-07-26 - 31 p. - Published in : Eur. Phys. J. C 84 (2024) 742 Fulltext: 2312.03306 - PDF; Publication - PDF; External link: Previous draft version
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8.
Search for light long-lived neutral particles from Higgs boson decays via vector-boson-fusion production from $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
A search is reported for long-lived dark photons with masses between 0.1 GeV and 15 GeV, from exotic decays of Higgs bosons produced via vector-boson-fusion. Events that contain displaced collimated Standard Model fermions reconstructed in the calorimeter or muon spectrometer are probed. [...]
arXiv:2311.18298; CERN-EP-2023-226.- Geneva : CERN, 2024-07-22 - 45 p. - Published in : Eur. Phys. J. C 84 (2024) 719 Fulltext: 2311.18298 - PDF; document - PDF; External link: Previous draft version
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9.
Observation of quantum entanglement with top quarks at the ATLAS detector / ATLAS Collaboration
Entanglement is a key feature of quantum mechanics, with applications in fields such as metrology, cryptography, quantum information, and quantum computation. It has been observed in a wide variety of systems and length scales, ranging from the microscopic to the macroscopic. [...]
arXiv:2311.07288; CERN-EP-2023-230.- 2024-09-18 - 49 p. - Published in : Nature 633 (2024) 542 Fulltext: ANA-TOPQ-2021-24-PAPER - PDF; 2311.07288 - PDF; document - PDF; External link: Interactions.org article
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10.
Improving topological cluster reconstruction using calorimeter cell timing in ATLAS / ATLAS Collaboration
Clusters of topologically connected calorimeter cells around cells with large absolute signal-to-noise ratio (topo-clusters) are the basis for calorimeter signal reconstruction in the ATLAS experiment. Topological cell clustering has proven performant in LHC Runs 1 and 2. [...]
arXiv:2310.16497; CERN-EP-2023-207.- Geneva : CERN, 2024-05-03 - 58 p. - Published in : Eur. Phys. J. C 84 (2024) 455 Fulltext: document - PDF; 2310.16497 - PDF; External link: Previous draft version
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CERN Document Server : 44 notices trouvées   1 - 10suivantfin  aller vers la notice:
Voir aussi: noms d'auteurs similaires
10 Ramos, J
1 Ramos, J -F
2 Ramos, J A
11 Ramos, J G
7 Ramos, J G G S
1 Ramos, J Galvão
1 Ramos, J L
1 Ramos, J M
2 Ramos, J Manjarres
29 Ramos, J P
1 Ramos, J Peralta
2 Ramos, J R
9 Ramos, J S
1 Ramos, J. P. Fernández
3 Ramos, J.P.
1 Ramos, J.P. Fernández
1 Ramos, Javier
2 Ramos, Jean
1 Ramos, Jesus
3 Ramos, Joao P
9 Ramos, Joao Pedro
2 Ramos, Jose
1 Ramos, Jose Luis
2 Ramos, José
1 Ramos, José Ricardo
9 Ramos, João Pedro
4 Ramos, Juan I
1 Ramos, Judith Freita
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