Low-momentum direct photon measurement in Cu$+$Cu collisions at $\sqrt{s_{{}_{NN}}}=200$ GeV

A. Adare, S. Afanasiev, C. Aidala +447

We have measured direct photons for $p_T<5$GeV/$c$ in minimum bias and 0\%--40\% most central events at midrapidity for Cu$+$Cu collisions at $\sqrt{s_{{}_{NN}}}=200$ GeV. The $e^{+…