• Corpus ID: 56026925

Direct photon production at RHIC and LHC energies

@article{Linnyk2015DirectPP,
  title={Direct photon production at RHIC and LHC energies},
  author={Olena Linnyk and Elena Bratkovskaya and Wolfgang Cassing},
  journal={arXiv: Nuclear Theory},
  year={2015}
}
Direct photon spectra and elliptic flow v2 in heavy-ion collisions at RHIC and LHC energies are investigated within a relativistic transport approach incorporating both hadronic and partonic phases - the Parton-Hadron-String Dynamics (PHSD). The results suggest that a large v2 of the direct photons - as observed by the PHENIX Collaboration - signals a significant contribution of photons produced in interactions of secondary mesons and baryons in the late stages of the collision. In order to… 

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