PoS - Proceedings of Science
Volume 364 - European Physical Society Conference on High Energy Physics (EPS-HEP2019) - Heavy Ion Physics
Recent results on spectator-induced electromagnetic effects in ultrarelativistic light- and heavy-ion collisions
I.A. Sputowska*, A. Rybicki, A. Szczurek, M. Kiełbowicz and V. Ozvenchuk
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Pre-published on: October 08, 2020
Published on: November 12, 2020
Abstract
This paper focuses on studies of spectator-induced electromagnetic (EM) effects on charged pion emission observed for three different colliding systems: Pb+gas, peripheral Pb+Pb and Ar+Sc collisions at CERN SPS energies. New data on Ar+Sc collisions from the NA61/SHINE experiment bring the first insight into EM effects in small systems. In this paper, we present the improvement of our phenomenological model description which takes into account spectator fragmentation as well as the possible influence of the net positive participant charge close to the spectator system.
DOI: https://doi.org/10.22323/1.364.0291
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