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CERN Document Server 1,114 records found  1 - 10próximoend  jump to record: Search took 1.61 seconds. 
1.
Observation of VVZ production at s=13 TeV with the ATLAS detector / ATLAS Collaboration
A search for the production of three massive vector bosons, VVZ(V=W,Z), in proton-proton collisions at s=13 TeV is performed using data with an integrated luminosity of 140 fb1 recorded by the ATLAS detector at the Large Hadron Collider. [...]
arXiv:2412.15123 ; CERN-EP-2024-321.
- 2024 - 42.
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2.
Expected Tracking Performance of the ATLAS Inner Tracker at the High-Luminosity LHC / ATLAS Collaboration
The high-luminosity phase of LHC operations (HL-LHC), will feature a large increase in simultaneous proton-proton interactions per bunch crossing up to 200, compared with a typical leveling target of 64 in Run 3. [...]
arXiv:2412.15090 ; CERN-EP-2024-342.
- 2024 - 52 p, 52.
Fulltext - Previous draft version - Fulltext
3.
Improved reconstruction of highly boosted τ-lepton pairs in the ττ(μνμντ)(hadrons+ντ) decay channels with the ATLAS detector / ATLAS Collaboration
This paper presents a new τ-lepton reconstruction and identification procedure at the ATLAS detector at the Large Hadron Collider, which leads to significantly improved performance in the case of physics processes where a highly boosted pair of τ-leptons is produced and one τ-lepton decays into a muon and two neutrinos (τμ), and the other decays into hadrons and one neutrino (τhad). [...]
arXiv:2412.14937 ; CERN-EP-2024-289.
- 2024 - 44 p, 44.
Fulltext - Previous draft version - Fulltext
4.
Search for Higgs boson decays into a pair of pseudoscalar particles in the γγτhadτhad final state using pp collisions at s=13 TeV with the ATLAS detector / ATLAS Collaboration
A search for exotic decays of the 125 GeV Higgs boson into a pair of new spin-0 particles, Haa, where one decays into a photon pair and the other into a τ-lepton pair, is presented. [...]
arXiv:2412.14046 ; CERN-EP-2024-323.
- 2024 - 37.
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5.
Test of lepton flavour universality in W-boson decays into electrons and τ-leptons using pp collisions at s=13 TeV with the ATLAS detector / ATLAS Collaboration
A measurement of the ratio of the branching fractions, Rτ/e=B(Wτν)/B(Weν), is performed using a sample of W bosons originating from top-quark decays to final states containing τ-leptons or electrons. [...]
arXiv:2412.11989 ; CERN-EP-2024-315.
- 2024 - 50 p, 50.
Fulltext - Previous draft version - Fulltext
6.
Cross-section measurements for the production of a W-boson in association with high-transverse-momentum jets in pp collisions at s= 13 TeV with the ATLAS detector / ATLAS Collaboration
A set of measurements for the production of a W-boson in association with high-transverse-momentum jets is presented using 140 fb1 of proton-proton collision data at a centre-of-mass energy of s=13 TeV collected by the ATLAS detector at the LHC. [...]
arXiv:2412.11644 ; CERN-EP-2024-277.
- 2024 - 51.
Fulltext - Previous draft version - Fulltext
7.
Precision calibration of calorimeter signals in the ATLAS experiment using an uncertainty-aware neural network / ATLAS Collaboration
The ATLAS experiment at the Large Hadron Collider explores the use of modern neural networks for a multi-dimensional calibration of its calorimeter signal defined by clusters of topologically connected cells (topo-clusters). [...]
arXiv:2412.04370 ; CERN-EP-2024-317.
- 2024 - 72.
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8.
An implementation of neural simulation-based inference for parameter estimation in ATLAS / ATLAS Collaboration
Neural simulation-based inference is a powerful class of machine-learning-based methods for statistical inference that naturally handles high-dimensional parameter estimation without the need to bin data into low-dimensional summary histograms. [...]
arXiv:2412.01600 ; CERN-EP-2024-305.
- 2024 - 49.
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9.
Measurement of off-shell Higgs boson production in the HZZ4 decay channel using a neural simulation-based inference technique in 13 TeV pp collisions with the ATLAS detector / ATLAS Collaboration
A measurement of off-shell Higgs boson production in the HZZ4 decay channel is presented. [...]
arXiv:2412.01548 ; CERN-EP-2024-298.
- 2024 - 65.
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10.
Search for Higgs boson decays into a Z boson and a light hadronically decaying resonance in 140 fb1 of 13 TeV pp collisions with the ATLAS detector / ATLAS Collaboration
A search for decays of the Higgs boson into a Z boson and a light resonance, with a mass of 0.5-3.5 GeV, is performed using the full 140 fb1 dataset of 13 TeV proton-proton collisions recorded by the ATLAS detector during Run 2 of the LHC. [...]
arXiv:2411.16361 ; CERN-EP-2024-261.
- 2024 - 37.
Fulltext - Previous draft version - Fulltext

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