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CERN Document Server 187 notices trouvées  1 - 10suivantfin  aller vers la notice: La recherche a duré 0.56 secondes. 
1.
Recent results from ultra-peripheral lead-lead collisions with ATLAS / Maj, Klaudia (AGH University of Krakow (PL))
Relativistic heavy-ion beams at the LHC are accompanied by a large flux of equivalent photons, leading to multiple photon-induced processes.\ This report presents a series of measurements of such processes performed by the ATLAS Collaboration. [...]
ATL-PHYS-PROC-2024-037.
- 2024.
Original Communication (restricted to ATLAS) - Full text
2.
Measurement of dilepton production from photon fusion processes in UPC in Pb+Pb collisions with the ATLAS detector / Grabowska-Bold, Iwona (AGH University of Krakow (PL)) /ATLAS Collaboration
Relativistic heavy-ion beams at the LHC are accompanied by a large flux of equivalent photons, leading to multiple photon-induced processes. This talk presents a series of measurements of dilepton production from photon fusion performed by the ATLAS Collaboration. [...]
ATL-PHYS-SLIDE-2023-658.- Geneva : CERN, 2024 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
3.
Search for leptonic decays of dark photons at NA62Search for Leptonic Decays of Dark Photons at NA62 / NA62 Collaboration
The NA62 experiment at CERN, configured in beam-dump mode, has searched for dark photon decays in flight to electron-positron pairs using a sample of $1.4 \times 10^{17}$ protons on dump collected in 2021. No evidence for a dark photon signal is observed. [...]
arXiv:2312.12055; CERN-EP-2023-296.- Geneva : CERN, 2024-09-11 - 10 p. - Published in : Phys. Rev. Lett. 133 (2024) 111802 Draft (restricted): PDF; Fulltext: CERN-EP-2023-296 - PDF; 2312.12055 - PDF; Publication - PDF;
4.
Dilepton production and BSM physics from photon fusion processes in UPC and non-UPC Pb+Pb collisions with the ATLAS detector / Grabowska-Bold, Iwona (AGH University of Science and Technology (PL))
Relativistic heavy-ion beams at the LHC are accompanied by a large flux of equivalent photons, leading to multiple photon-induced processes. [...]
ATL-PHYS-PROC-2023-038.
- 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
5.
Search for periodic signals in the dielectron and diphoton invariant mass spectra using 139 fb$^{-1}$ of $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
A search for physics beyond the Standard Model inducing periodic signals in the dielectron and diphoton invariant mass spectra is presented using 139 fb$^{-1}$ of $\sqrt{s}=13$ TeV $pp$ collision data collected by the ATLAS experiment at the LHC. [...]
ATLAS-CONF-2023-010.
- 2023. - 38 p.
Original Communication (restricted to ATLAS) - Full text
6.
Measurement of differential cross-sections of $t\bar{t}$ production in the electron-muon channel with the full Run 2 data set / Martinelli, Luca (Sapienza Universita e INFN, Roma I (IT)) /ATLAS Collaboration
Measurements of the total and differential top-quark pair-production cross sections in proton proton collisions at 13 TeV with the ATLAS detector at the Large Hadron Collider are presented. The measurements use data collected by ATLAS during the entire LHC Run2 (2015 - 2018) corresponding to an integrated luminosity of 139 fb^-1. [...]
ATL-PHYS-SLIDE-2023-025.- Geneva : CERN, 2023 - 27 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 36th Rencontres de Physique de La Vallée d'Aoste (La Thuile 2023), La Thuile, Aosta, Italy, 5 - 11 Mar 2023, pp.ATL-PHYS-SLIDE-2023-025
7.
Photon-photon fusion and tau g-2 measurement in ATLAS / Ogrodnik, Agnieszka Ewa (AGH University of Science and Technology (PL))
Relativistic heavy-ion beams at the LHC are accompanied by a large flux of equivalent photons. [...]
arXiv:2209.15506 ; ATL-PHYS-PROC-2022-079.
- 2024-04-02 - 6.
Original Communication (restricted to ATLAS) - Full text - Fulltext - Fulltext
8.
Recent ATLAS results on exclusive dielectron and dimuon production in Pb+Pb UPC collisions / Ogrodnik, Agnieszka Ewa (AGH University of Science and Technology (PL)) /ATLAS Collaboration
Relativistic heavy-ion beams at the LHC are accompanied by a large flux of equivalent photons. In ultrapripheral heavy-ion collisions (UPCs), electromagnetic interactions become dominant. [...]
ATL-PHYS-SLIDE-2022-502.- Geneva : CERN, 2022 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : New Vistas in Photon Physics in Heavy-Ion Collisions, Krakow, Pl, 19 - 22 Sep 2022
9.
Exclusive dilepton production in ultraperipheral Pb+Pb collisions in ATLAS / Ogrodnik, Agnieszka Ewa (AGH University of Science and Technology (PL))
Relativistic heavy-ion beams at the LHC are accompanied by a large flux of equivalent photons, leading to multiple photon-induced processes. [...]
ATL-PHYS-PROC-2022-062.
- 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
10.
Photon-photon fusion 
and tau g-2 measurement 
in ATLAS / Ogrodnik, Agnieszka Ewa (AGH University of Science and Technology (PL)) /ATLAS Collaboration
Relativistic heavy-ion beams at the LHC are accompanied by a large flux of equivalent photons. New measurements of exclusive dilepton production (electron, muon, and tau pairs) are discussed. [...]
ATL-PHYS-SLIDE-2022-387.- Geneva : CERN, 2022 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)

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