Pion and Kaon dissociation in hot quark medium

Details Pion and Kaon dissociation in hot quark medium Pion and Kaon dissociation in hot quark medium

1998-09-17

arxiv.org/abs/nucl-th/9809057v1

Mod.Phys.Lett. A14 (1999) 621-630

Physics

Nuclear Physics

Nuclear Theory

Latex file with one postscript file

Scientific paper

Pion and kaon dissociation in a medium of hot quark matter is studied in the Nambu Jona-Lasinio model. The decay width of pion and kaon are found to be large but finite at temperatures much higher than the so called critical temperature of chiral or deconfinement transition, kaon decay width being larger. Consequently, pions and even kaons (with a lower density compared to pions) should coexist with quarks and gluons at such high temperatures. The implication of the above result in the study of Quark-Gluon plasma is discussed.

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