The Spectator Electromagnetic Effect on Charged Pion Spectra in Peripheral Ultrarelativistic Heavy-Ion Collisions

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dc.creatorRybicki, Andrzej
dc.creatorSzczurek, Antoni
dc.date2006-10-10
dc.date.accessioned2026-07-07T11:07:39Z
dc.date.available2026-07-07T11:07:39Z
dc.descriptionWe estimate the electromagnetic effect of the spectator charge on the momentum spectra of $π^+$ and $π^-$ produced in peripheral Pb+Pb collisions at SPS energies. We find that the effect is large and results in strongly varying structures in the $x_F$ dependence of the $π^+/π^-$ ratio, especially at low transverse momenta where a deep valley in the above ratio is predicted at $x_F \sim$ 0.15 -- 0.20. It appears that the effect depends on initial conditions. Thus, it provides new information on the space and time evolution of the non-perturbative pion creation process.
dc.description20 pages and 8 figures
dc.identifierhttps://arxiv.org/abs/nucl-th/0610036
dc.identifierhttp://arxiv.org/abs/nucl-th/0610036
dc.identifierPhys.Rev.C75:054903,2007
dc.identifierdoi:10.1103/PhysRevC.75.054903
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/189915
dc.subjectNuclear Theory
dc.subjectHigh Energy Physics - Phenomenology
dc.titleThe Spectator Electromagnetic Effect on Charged Pion Spectra in Peripheral Ultrarelativistic Heavy-Ion Collisions
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