Strong-Field Effect for the Process of Photon Emission in Collisions of Relativistic Nuclei at RHIC and LHC
Abstract
Virtual Delbrü ck scattering in heavy-ion collisions contributes to the emission of photons. Specifically, the elastic scattering of an equivalent photon emitted by a nucleus in the Coulomb field of an incoming nucleus can lead to the emission of a photon in the collision of ultra-relativistic nuclei Z1Z2 → Z1Z2γ. The discussed process has no infrared divergence. The total cross section obtained is 14 barn for the Au-Au collisions at the RHIC collider and 50 barn for the Pb-Pb collisions at the LHC collider. These cross sections are considerably larger than those for ordinary nuclear bremsstrahlung in the same photon energy range.
Recommended Citation
I. F. Ginzburg et al., "Strong-Field Effect for the Process of Photon Emission in Collisions of Relativistic Nuclei at RHIC and LHC," Nuclear Physics B - Proceedings Supplements, vol. 184, no. C, pp. 297 - 301, Elsevier, Nov 2008.
The definitive version is available at https://doi.org/10.1016/j.nuclphysbps.2008.09.179
Department(s)
Physics
International Standard Serial Number (ISSN)
0920-5632
Document Type
Article - Journal
Document Version
Citation
File Type
text
Language(s)
English
Rights
© 2008 Elsevier, All rights reserved.
Publication Date
01 Nov 2008
