The role of the chiral phase transition in modelling the kaon to pion ratio

A. V. Friesen, Yu. L. Kalinovsky, V. D. Toneev

A sharp peak in the $K^{+}/{\pi }^{+}$ ratio in relativistic heavy-ion collision is discussed in the framework of the SU(3) Polyakov-loop extended NJL model with vector interaction. In the…