Research Article

Production of Kaon and in Nucleus-Nucleus Collisions at Ultrarelativistic Energy from a Blast-Wave Model

Figure 4

The transverse momentum distribution of and at midrapidity in Au + Au central collisions at  GeV (color online). Lines represent the model calculations with  MeV, ,  MeV, and  MeV; symbols are data from the RHIC-STAR collaboration [18, 19].