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Title: Particle Production in Strong Electromagnetic Fields in Relativistic Heavy-Ion Collisions

Abstract

I review the origin and properties of electromagnetic fields produced in heavy-ion collisions. The field strength immediately after a collision is proportional to the collision energy and reaches ~ m π 2 at RHIC and ~ 10 m π 2 at LHC. I demonstrate by explicit analytical calculation that after dropping by about one-two orders of magnitude during the first fm/c of plasma expansion, it freezes out and lasts for as long as quark-gluon plasma lives as a consequence of finite electrical conductivity of the plasma. Magnetic field breaks spherical symmetry in the direction perpendicular to the reaction plane, and therefore all kinetic coefficients are anisotropic. I examine viscosity of QGP and show that magnetic field induces azimuthal anisotropy on plasma flow even in spherically symmetric geometry. Very strong electromagnetic field has an important impact on particle production. I discuss the problem of energy loss and polarization of fast fermions due to synchrotron radiation, consider photon decay induced by magnetic field, elucidate J / ψ dissociation via Lorentz ionization mechanism, and examine electromagnetic radiation by plasma. I conclude that all processes in QGP are affected by strong electromagnetic field and call for experimental investigation.

Authors:
ORCiD logo [1]
  1. Department of Physics and Astronomy, Iowa State University, Ames, IA 50011, USA
Publication Date:
Sponsoring Org.:
USDOE
OSTI Identifier:
1227967
Grant/Contract Number:  
FG02-87ER40371
Resource Type:
Published Article
Journal Name:
Advances in High Energy Physics
Additional Journal Information:
Journal Name: Advances in High Energy Physics Journal Volume: 2013; Journal ID: ISSN 1687-7357
Publisher:
Hindawi Publishing Corporation
Country of Publication:
Egypt
Language:
English

Citation Formats

Tuchin, Kirill. Particle Production in Strong Electromagnetic Fields in Relativistic Heavy-Ion Collisions. Egypt: N. p., 2013. Web. doi:10.1155/2013/490495.
Tuchin, Kirill. Particle Production in Strong Electromagnetic Fields in Relativistic Heavy-Ion Collisions. Egypt. doi:10.1155/2013/490495.
Tuchin, Kirill. Tue . "Particle Production in Strong Electromagnetic Fields in Relativistic Heavy-Ion Collisions". Egypt. doi:10.1155/2013/490495.
@article{osti_1227967,
title = {Particle Production in Strong Electromagnetic Fields in Relativistic Heavy-Ion Collisions},
author = {Tuchin, Kirill},
abstractNote = {I review the origin and properties of electromagnetic fields produced in heavy-ion collisions. The field strength immediately after a collision is proportional to the collision energy and reaches ~ m π 2 at RHIC and ~ 10 m π 2 at LHC. I demonstrate by explicit analytical calculation that after dropping by about one-two orders of magnitude during the first fm/c of plasma expansion, it freezes out and lasts for as long as quark-gluon plasma lives as a consequence of finite electrical conductivity of the plasma. Magnetic field breaks spherical symmetry in the direction perpendicular to the reaction plane, and therefore all kinetic coefficients are anisotropic. I examine viscosity of QGP and show that magnetic field induces azimuthal anisotropy on plasma flow even in spherically symmetric geometry. Very strong electromagnetic field has an important impact on particle production. I discuss the problem of energy loss and polarization of fast fermions due to synchrotron radiation, consider photon decay induced by magnetic field, elucidate J / ψ dissociation via Lorentz ionization mechanism, and examine electromagnetic radiation by plasma. I conclude that all processes in QGP are affected by strong electromagnetic field and call for experimental investigation.},
doi = {10.1155/2013/490495},
journal = {Advances in High Energy Physics},
number = ,
volume = 2013,
place = {Egypt},
year = {2013},
month = {1}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1155/2013/490495

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Cited by: 93 works
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