Parton coalescence at RHIC

  title={Parton coalescence at RHIC},
  author={Vincenzo Greco and Che Ming Ko and P{\'e}ter L{\'e}vai},
Using a covariant coalescence model, we study hadron production in relativistic heavy ion collisions from both soft partons in the quark-gluon plasma and hard partons in minijets. Including transverse flow of soft partons and independent fragmentation of minijet partons, the model is able to describe available experimental data on pion, kaon, and antiproton spectra. The resulting antiproton to pion ratio is seen to increase at low transverse momenta and reaches a value of about one at… 
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