| Issue |
EPJ Web Conf.
Volume 364, 2026
XXXI International Conference on Ultra-Relativistic Nucleus-Nucleus Collisions “Quark Matter 2025”
|
|
|---|---|---|
| Article Number | 13004 | |
| Number of page(s) | 5 | |
| Section | Physics of Ultraperipheral Collisions | |
| DOI | https://doi.org/10.1051/epjconf/202636413004 | |
| Published online | 17 April 2026 | |
https://doi.org/10.1051/epjconf/202636413004
Neutron emission from the photon-induced reactions in UPC of heavy ions - impact of new ALICE data
1 Institute of Nuclear Physics PAN, ul. Radzikowskiego 152, PL-31342 Kraków, Poland
2 Institute of Physics, Faculty of Exact and Technical Sciences, University of Rzeszów, ul. Pigonia 1, 35-310 Rzeszów, Poland
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Published online: 17 April 2026
Abstract
We calculate the cross section for the production of a given number of neutrons in UPC of 208Pb+208 Pb. A simple model which takes into account the fact that only a part of the energy is available in the thermalized phase, proposed recently, is discussed. The results of the model calculation are compared with recent neutron ZDC ALICE measurements. The role of multiple photon exchanges is discussed.
© The Authors, published by EDP Sciences, 2026
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