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Production of soft $e^+e^-$ Pairs in Heavy Ion Collisions at RHIC by Semi-coherent Two Photon Processes

Authors
  • Staig, Pilar
  • Shuryak, Edward
Type
Preprint
Publication Date
May 19, 2010
Submission Date
May 19, 2010
Source
arXiv
License
Yellow
External links

Abstract

We calculate the contribution of the two photon production process into $e^+e^-$ spectra, and compare the results with experimental data from the PHENIX detector at RHIC. We study the contribution given by ``semi-coherent" kinematics, in which one photon is relatively hard and is incoherently emitted by participating protons, while another can be soft enough to be in a coherent domain.

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