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arXiv · 1206.0485

Electromagnetic radiation by quark-gluon plasma in magnetic field

Kirill Tuchin
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Abstract

The electromagnetic radiation by quark-gluon plasma in strong magnetic field is calculated. The contributing processes are synchrotron radiation and one--photon annihilation. It is shown that in relativistic heavy--ion collisions at RHIC and LHC synchrotron radiation dominates over the annihilation. Moreover, it constitutes a significant part of all photons produced by the plasma at low transverse momenta; its magnitude depends on the plasma temperature and the magnetic field strength. Electromagnetic radiation in magnetic field is probably the missing piece that resolves a discrepancy between the theoretical models and the experimental data. It is argued that electromagnetic radiation increases with the magnetic field strength and plasma temperature.

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Kirill Tuchin. 2012-06-03. Electromagnetic radiation by quark-gluon plasma in magnetic field. https://doi.org/10.1103/physrevc.87.024912

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