Speaker
Tomáš Herman
(CTU FNSPE)
Description
The exclusive photoproduction of a $J/\Psi$ allows us to examine the transverse distribution of matter inside proton or nucleus targets. Moreover, this photoproduction is a great tool to explore the phenomenon of saturation and nuclear shadowing in the region of low $x$. From QED calculations and models describing the QCD part of the interaction it is possible to calculate the cross section for a given photoproduction process. By analysing ultra-peripheral collisions (Pb-Pb or p-Pb) with ALICE at the LHC we can measure experimental values for photoproduction cross sections and compare them with theoretical predictions, thus putting constrains on theoretical models.
Primary author
Tomáš Herman
(CTU FNSPE)
