Conveners
Session 9
- Katarzyna Wichmann (DESY)
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Guillermo Contreras (Czech Technical University)24/09/2025, 09:00
The search for gluon saturation using diffractive vector meson production is discussed reviewing experimental results from HERA and UPC at the LHC.
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A few lessons potentially useful for EIC are mentioned. -
Máté Csanád (Eötvös University)24/09/2025, 09:25
In this talk we review CMS results on photoproduction (coherent and incoherent) of vector mesons and open charm in ultra-peripheral collisions, on double pomeron scattering, as well as on exclusive photon fusion in pp. At the end of the talk, we also discuss femtoscopy and its relevance at EIC.
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Adam Matyja (Institute of Nuclear Physics PAN ,ul. Radzikowskiego 152, 31-342 Kraków, Poland)24/09/2025, 09:50
Ultra-peripheral collisions are collisions between two nuclei (or protons) without overlap - the impact parameter is larger than the sum of the nuclear radii. Strong interactions are thus heavily suppressed but electromagnetic interactions are allowed. The electromagnetic fields can be treated as an equivalent flux of photons (Fermi-Weizsacker-Williams), and these photons may interact with the...
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Antoni Szczurek (Institute of Nuclear Physics PAN and Rzeszow University)24/09/2025, 10:15
The ultrarelativistic collisions of the heavy ions provide rich spectrum of possibilities of discussing the nucleus response to photons.
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Newly published neutron and proton multiplicities measured in the ALICE experiment in ultraperipheral conditions allow investigating the influence of the electromagnetic fields on colliding nuclei for the $^{208}$Pb+$^{208}$Pb at $\sqrt{s_{NN}}$ = 5.02 TeV....