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Rybicki, A.

doi:10.5506/aphyspolb.42.867

Cited by 19 publications

(32 citation statements)

References 11 publications

(31 reference statements)

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“…The unique region where a more significant disagreement between data and model can be seen (x F ≈ 0.2, low p T ) has been identified as due to the process of nuclear fragmentation (break-up) of the spectator system; a discussion of this subject can be found in [18]. 3) A very similar electromagnetic effect is also present in high-energy collisions of lead ions with lighter nuclei which we recently investigated [7].…”

Section: What Do We Know About the Spectator-induced Electromagnetic mentioning

confidence: 86%

“…p T ≈ 0), and to an extremely small number of data points (between two and four, depending on collision centrality) which limited its scientific usefulness. For this reason, we performed a series of experimental and theoretical studies of the influence which the spectator charge exerts on charged pion and charged kaon spectra 3 [2,7,[16][17][18][19]. Out of these, a consistent picture emerges which can be summarized as follows.…”

Section: What Do We Know About the Spectator-induced Electromagnetic mentioning

confidence: 99%

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Studying the interplay of strong and electromagnetic forces in heavy-ion collisions with NICA

2016

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Abstract. In the following we stress the advantages of the NICA research programme in the context of studying the spectator-induced electromagnetic phenomena present in heavy-ion collisions. We point at the specific interest of using these phenomena as a new, independent source of information on the spacetime evolution of the reaction and of the non-perturbative process of particle production. We propose an extended series of measurements of well-defined observables to be performed in different types of nuclear reactions and in the whole range of collision energies available to NICA. We expect these measurements to bring very valuable new insight into the mechanism of non-perturbative strong interactions, complementary to the studies made at the SPS at CERN, RHIC at BNL, and the LHC.

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Section: What Do We Know About the Spectator-induced Electromagnetic mentioning

confidence: 86%

Section: What Do We Know About the Spectator-induced Electromagnetic mentioning

confidence: 99%

Studying the interplay of strong and electromagnetic forces in heavy-ion collisions with NICA

2016

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“…Thus, we conclude that the spectator systems, whatever the final fate is (ER or fission), live long enough to cause the electromagnetic effect observed in [40,41]. In the experiments such as NA49 or NA61 the colliding heavy ions have energy 2 GeV ≤ √ s N N ≤ 17.3 GeV.…”

Section: B Gaimard-schmidt Abrasion Coupled To Dynamical Decay and Cmentioning

confidence: 99%

Dynamical evolution of spectator systems produced in ultrarelativistic heavy-ion collisions

et al. 2018

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In peripheral heavy-ion collisions at ultra-relativistic energies, usually only parts of the colliding nuclei effectively interact with each other. In the overlapping zone, a fireball or quark-gluon plasma is produced. The excitation energy of the heavy remnant can range from a few tens to several hundreds of MeV, depending on the impact parameter. The decay of these excited spectators is investigated in this work for the first time within a dynamical approach based on the multidimensional stochastic Langevin equation. The potential of this exploratory work to understand the connection between electromagnetic fields generated by the heavy spectators and measured pion distributions is discussed.

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“…For this purpose we use a very simple model, succesfully applied before for the description of spectator-induced electromagnetic distortions of π + /π − ratios in Pb+Pb collisions [2]. An in-depth description of this model can be found in [1,4].…”

Section: Epj Web Of C Onferencesmentioning

confidence: 99%

“…In our earlier works [1,2], we studied the effect of this electromagnetic field on the final state spectra of charged mesons, and in particular π + /π − and K + /K − ratios. We found that this effect is sensitive to the initial conditions imposed on pion and kaon emission, and therefore brings new information on the space-time evolution of charged meson production.…”

Section: Introductionmentioning

confidence: 99%

New results on Coulomb effects in meson production in relativistic heavy ion collisions

Rybicki

Szczurek

Kłusek-Gawenda

2014

EPJ Web of Conferences

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Abstract. We propose a new method of investigating the space-time evolution of meson production in heavy ion collisions, by making use of spectator-induced electromagnetic ("Coulomb") effects. The presence of two nuclear remnants ("spectator systems") in the non-central collision generates a strong Coulomb field, which modifies the trajectories of charged final state hadrons. This results in charge-dependent azimuthal anisotropies in final state meson emission. In our approach, this effect can be computed numerically by means of a high-statistics Monte Carlo simulation, using the distance between the meson formation zone and the spectator system as free parameter. Our simulation correctly describes the electromagnetic effect on azimuthal anisotropies observed for π + and π − mesons in Au+Au collisions at lower RHIC energy, known from data recently reported by the STAR Collaboration. Similarly to our earlier studies of spectator-induced electromagnetic effects, also in the present study we find that these effects offer sensitivity to the position of the meson formation zone with respect to the spectator system. Therefore, we conclude that they can serve as a new tool to investigate the space-time evolution of meson production, and the dynamics of the heavy ion collision.

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Untitled

Abstract: In this paper I shall present a few simple examples on how the nuclear structure, nuclear density, isospin content, and finally the electric charge of the nucleus influence various aspects of multiparticle production in ultrarelativistic nuclear reactions.

Cited by 19 publications

References 11 publications

Studying the interplay of strong and electromagnetic forces in heavy-ion collisions with NICA

Studying the interplay of strong and electromagnetic forces in heavy-ion collisions with NICA

Dynamical evolution of spectator systems produced in ultrarelativistic heavy-ion collisions

New results on Coulomb effects in meson production in relativistic heavy ion collisions

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