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Photon radiation in hot nuclear matter by means of chiral anomalies

Kirill Tuchin
Phys. Rev. C 99, 064907 – Published 24 June 2019

Abstract

A new mechanism of photon emission in the quark-gluon plasma is proposed. Photon dispersion relation in the presence of the CP-odd topological regions generated by the chiral anomaly acquires an imaginary mass. It allows photon radiation through the decay qqγ and annihilation qq¯γ processes closely related to the chiral Cherenkov radiation. Unlike previous proposals this mechanism does not require an external magnetic field. The differential photon emission rate per unit volume is computed and shown to be comparable to the rate of photon emission in conventional processes.

  • Figure
  • Received 22 March 2019

DOI:https://doi.org/10.1103/PhysRevC.99.064907

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP3.

Published by the American Physical Society

Physics Subject Headings (PhySH)

Particles & FieldsNuclear Physics

Authors & Affiliations

Kirill Tuchin

  • Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA

Article Text

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Issue

Vol. 99, Iss. 6 — June 2019

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