PoS - Proceedings of Science
Volume 408 - XV International Workshop on Hadron Physics (XVHadronPhysics) - Section Flash Talks
Exclusive heavy vector meson photoproduction with momentum transfer squared dependence in UPCs
C.H. de Souza
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Pre-published on: August 01, 2022
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Abstract
The exclusive photoproduction of the heavy vector mesons $\psi(1S)$, $\psi(2S)$, $\Upsilon(1S)$ and $\Upsilon(2S)$ is studied using the b-BK and the bSat dipole models with a vector meson wave function obtained by a potential approach incorporating the Melosh spin rotation. The results for the proton-target scattering agreed with the HERA data.
For the nuclear case, we extended our calculations with the Glauber-Gribov theory and we included the gluon shadowing effects with a nuclear PDF. The results were compared to the ALICE data for the $J/\psi$ photoproduction at $s_{NN}=5.02$ TeV.
DOI: https://doi.org/10.22323/1.408.0021
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