Wednesday, March 27, 2013

1303.6423 (Mariola Klusek-Gawenda et al.)

Strong and Electromagnetic Forces in Heavy Ion Collisions    [PDF]

Mariola Klusek-Gawenda, Ewa Kozik, Andrzej Rybicki, Iwona Sputowska, Antoni Szczurek
The interplay between the strong and electromagnetic force in high energy nucleus-nucleus collisions was studied experimentally and theoretically in our earlier works. This effect appeared to result in very large distortions in spectra of charged pions produced in the collision. It was also found to bring new, independent information on the space-time evolution of the non-perturbative process of particle production. In this paper, we present our new results on the influence of the spectator-induced electromagnetic force on spectra of charged particles produced in two different Pb-induced reactions. For the first time, we also address the topic of p+A collisions in view of obtaining information about their centrality and nuclear break-up, both subjects being of importance in the context of the new p+A data collected at the LHC.
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