Role of the Chiral Phase Transition in Modelling the Kaon-to-Pion Ratio

A sharp peak in the K + /π + ratio in relativistic heavy-ion collision is discussed in the framework of the SU(3) Polyakov-loop extended Nambu-Jona-Lasinio model with vector interaction. In the model, the K + /π + ratio has been calculated along the chiral phase transition line for different values...

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Veröffentlicht in:	JETP letters 2020-02, Vol.111 (3), p.129-134
Hauptverfasser:	Friesen, A. V., Kalinovsky, Yu. L., Toneev, V. D.
Format:	Artikel
Sprache:	eng
Schlagworte:	Atomic Atomic collisions Biological and Medical Physics Biophysics Coupling Fields Heavy ions Ionic collisions Kaons Molecular Nuclei Optical and Plasma Physics Particle and Nuclear Physics Particles Phase transitions Physical Sciences Physics Physics and Astronomy Physics, Multidisciplinary Pions Quantum Information Technology Science & Technology Solid State Physics Spintronics
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Zusammenfassung:	A sharp peak in the K + /π + ratio in relativistic heavy-ion collision is discussed in the framework of the SU(3) Polyakov-loop extended Nambu-Jona-Lasinio model with vector interaction. In the model, the K + /π + ratio has been calculated along the chiral phase transition line for different values of the vector coupling g V . It has been shown that the value of the vector coupling hardly affects the behavior of the K + /π + ratio.
ISSN:	0021-3640 1090-6487
DOI:	10.1134/S0021364020030017