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Strangeness Production Incorporating Chiral Symmetry

Abstract : Chiral symmetry is known to be decisive for an understanding of the low energy sector of strong interactions. It is thus important for a model of relativistic heavy ion collisions to incorporate the dynamical breaking and restoration of chiral symmetry. Thus we study an expansion scenario for a quark-meson plasma using the Nambu--Jona-Lasinio (NJL) model in its three flavor version. The equations of motion for light and strange quarks as well as for pions, kaons and etas are solved using a QMD type algorithm, which is based on a parametrization of the Wigner function. The scattering processes incorporated into this calculation are of the types qq <--> qq, q\bar q <--> q\bar q, q\bar q <--> MM and M <--> q\bar q.
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http://hal.in2p3.fr/in2p3-00130921
Contributor : Dominique Girod <>
Submitted on : Wednesday, February 14, 2007 - 2:03:12 PM
Last modification on : Friday, June 22, 2018 - 9:35:19 AM

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P. Rehberg. Strangeness Production Incorporating Chiral Symmetry. 4th International Symposium on Strangeness in Quark Matter, Jul 1998, Padova, Italy. pp.373-380. ⟨in2p3-00130921⟩

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