2015/10/13 by Antoni Szczurek, Szczurek, Antoni, Mariola Klusek-Gawenda +1
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #hep-ph
paper · pdf · doi:10.48550/arxiv.1510.03717
6 pages, 6 figures, talk given by A. Szczurek at the European Physical Society Conference on High Energy Physics (EPS-HEP 2015), 22-29 July 2015, Vienna, Austria
arxiv created 2015/10/13 · arxiv updated 2015/10/14
We study, for the first time, differential distributions for two ρ0 meson production in exclusive ultraperipheral, ultrarelativistic heavy ion collisions via a double-scattering mechanism. The calculations are done in the impact parameter space. The cross section for γA → ρ0 A is parametrized based on an existing model. Smearing of ρ0 masses is taken into account. The results of calculations for single and double-ρ0 production are compared to experimental data at the RHIC and LHC energies. The mechanism considered gives a significant contribution to the AA → AA π+π-π+π- reaction. Some observables related to charged pions are presented too. We compare results of our calculations with the STAR collaboration results for four charged pion production.