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CERN Document Server 174 records found  1 - 10nextend  jump to record: Search took 0.64 seconds. 
1.
Overview of the latest ATLAS and ATLAS-AFP photoproduction results / Sopczak, Andre (Czech Technical University in Prague (CZ))
A key focus of the physics program at the LHC is the study of head-on proton-proton collisions. [...]
ATL-PHYS-PROC-2024-113.
- 2024 - 8.
Original Communication (restricted to ATLAS) - Full text
2.

ALICE-PHO-GEN-2024-006
© 2024 CERN, for the benefit of the ALICE Collaboration
ALICE does the double-slit: UPC results on ρ0 photoproduction in Pb− Pb collisions
Measurement of the impact-parameter dependent azim [...]
01-08-2024
3.
Ultraperipheral heavy-ion collisions / Lang, Valerie (Albert Ludwigs Universitaet Freiburg (DE)) /ATLAS Collaboration
This presentation discusses recent results from the ALICE, ATLAS, CMS and LHCb collaborations obtained with ultraperipheral collisions in PbPb data at the LHC..
ATL-PHYS-SLIDE-2024-191.- Geneva : CERN, 2024 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 12th Edition of the Large Hadron Collider Physics Conference, Boston, Us, 3 - 7 Jun 2024
4.
Exclusive and dissociative J/$\psi$ photoproduction, and exclusive dimuon production, in p$-$Pb collisions at $sqrt{s_{\mathrm{NN}}} = 8.16$ TeV / Acharya, Shreyasi (Clermont-Ferrand U.) ; Adamova, Dagmar (Rez, Nucl. Phys. Inst.) ; Adler, Alexander (Frankfurt U.) ; Aglieri Rinella, Gianluca (CERN) ; Agnello, Michelangelo (INFN, Turin ; Turin Polytechnic) ; Agrawal, Neelima (INFN, Bologna) ; Ahammed, Zubayer (Calcutta, VECC) ; Ahmad, Shakeel (Aligarh Muslim U.) ; Ahn, Sang Un (KISTI, Daejeon) ; Ahuja, Ishaan (Kosice U.) et al. /ALICE
The ALICE Collaboration reports three measurements in ultra-peripheral proton$-$lead collisions at forward rapidity. The exclusive two-photon process $\gamma \gamma \rightarrow \mu^+ \mu^-$ and the exclusive photoproduction of J/$\psi$ are studied. [...]
arXiv:2304.12403; CERN-EP-2023-059.- Geneva : CERN, 2023-12-01 - 29 p. - Published in : Phys. Rev. D 108 (2023) 112004 Draft (restricted): PDF; Fulltext: 2304.12403 - PDF; Publication - PDF;
5.
Ultra-peripheral physics with ATLAS / Gilbert, Benjamin Jacob (Columbia University (US)) /ATLAS Collaboration
This talk gives an overview of the latest ultra-peripheral physics measurements performed with the ATLAS detector at the LHC. These include differential measurements of the exclusive di-muon production cross-section, which are crucial for setting constraints on the initial photon spectrum for all UPC measurements at the LHC; measurements of light-by-light scattering, which result in an observation of this elusive Standard Model process and set competitive limits on the parameter space for axion-like particles; measurements of electromagnetic di-muon production in non-UPC Pb+Pb collisions, which are sensitive to the structure of the initial EM fields and possibly EM content of the created Quark-Gluon Plasma; and measurements of collective behavior in high-multiplicity photo-nuclear collisions..
ATL-PHYS-SLIDE-2021-540.- Geneva : CERN, 2021 - 45 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 22nd Particles and Nuclei International Conference (PANIC 2021), Lisbon, Portugal, 5 - 10 Sep 2021
6.
Exclusive $\Upsilon$ and $\rho$ (770)$^0$ photoproduction in pPb at $\sqrt { s_{NN}}$ = 5.02TeV with CMS / Sosnov, Dmitry E (St. Petersburg, INP) /CMS Collaboration
The first measurements of exclusive ϒ and ρ (770) 0 vector meson photoproduction with the CMS detector at LHC in ultraperipheral proton-lead collisions at sNN=5.02TeV are presented. The ϒ(1S) cross section, which has been measured in the dumuon channel, is consistent with the updated ZEUS ep results at HERA. [...]
2021 - 4 p. - Published in : Nucl. Phys. A 1005 (2021) 121857
In : The 28th International Conference on Ultra-relativistic Nucleus-Nucleus Collisions, Wuhan, China, 3 - 9 Nov 2019, pp.121857
7.
First measurement of coherent $\rho^{0}$ photoproduction in ultra-peripheral Xe-Xe collisions at $\sqrt{s_{\rm NN}} = 5.44$ TeV / ALICE Collaboration
The first measurement of the coherent photoproduction of $\rho^{0}$ vector mesons in ultra-peripheral Xe-Xe collisions at $\sqrt{s_{\rm NN}} = 5.44$ TeV is presented. This result, together with previous $\gamma$p and $\gamma$-Pb measurements, describes the atomic number ($A$) dependence of this process, which is particularly sensitive to nuclear shadowing effects and to the approach to the black-disc limit of QCD at a semi-hardscale. [...]
arXiv:2101.02581; CERN-EP-2020-252.- Geneva : CERN, 2021-09-10 - 21 p. - Published in : Phys. Lett. B 820 (2021) 136481 Draft (restricted): PDF; Fulltext: PDF; Fulltext from publisher: PDF;
8.
Higgs "Photo-Production" and Related Experimental Issues in the Forward Direction of the ATLAS Detector / Dehghanian, Nooshin
This thesis is devoted to the study of aspects of the forward physics and forward detector system of the ATLAS detector [...]
CERN-THESIS-2019-374. - 2019. - 244 p.


10.7939/r3-r0mv-v467
Fulltext
9.
Measurement of Non-Exclusive Dimuon Pairs Produced via $\gamma\gamma$ Scattering in Pb+Pb Collisions at $\sqrt{s_{NN}}$ = 5.02 TeV with the ATLAS Detector / Gilbert, Benjamin Jacob (Nevis Laboratory, Columbia University) /ATLAS Collaboration
ATLAS measurements of dimuons produced via $\gamma\gamma$ scattering processes in inelastic, non-ultra-peripheral Pb+Pb collisions at 5.02 TeV are presented using an integrated luminosity of 1.9 nb$^{−1}$. The $\gamma\gamma\rightarrow\mu^+\mu^-$ pairs are identified via selections on pair momentum asymmetry and acoplanarity, and the contribution from the heavy flavor decay background is estimated using a template fit method [...]
ATL-PHYS-SLIDE-2020-176.- Geneva : CERN, 2020 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
10.
Collectivity in novel geometric configurations of proton-proton collisions and in photo-nuclear Pb+Pb collisions with ATLAS / Cole, Brian (Nevis Laboratory, Columbia University) /ATLAS Collaboration
Measurements of two-particle correlations in
ATL-PHYS-SLIDE-2019-839.- Geneva : CERN, 2019 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : The 28th International Conference on Ultra-relativistic Nucleus-Nucleus Collisions, Wuhan, China, 3 - 9 Nov 2019

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