Antikaon flow in heavy-ion collisions: the effects of absorption and mean fields

Details Antikaon flow in heavy-ion collisions: the effects of absorption and mean fields Antikaon flow in heavy-ion collisions: the effects of absorption and mean fields

1996-08-30

arxiv.org/abs/nucl-th/9609004v2

Phys.Rev.C54:2159-2162,1996

Physics

Nuclear Physics

Nuclear Theory

12 pages, 2 postscript figures omitted in the original submission are included, to appear in Phys. Rev. C

Scientific paper

10.1103/PhysRevC.54.R2159

We study antikaon flow in heavy-ion collisions at SIS energies based on the relativistic transport model (RVUU 1.0). The production of antikaons from both baryon-baryon and pion-baryon collisions are included. Taking into account only elastic and inelastic collisions of the antikaon with nucleons and neglecting its mean-field potential as in the cascade model, a strong antiflow or anti-correlation of antikaons with respect to nucleons is seen as a result of the strong absorption of antikaons by nucleons. However, the antiflow of antikaons disappears after including also their propagation in the attractive mean-field potential. The experimental measurement of antikaon flow in heavy-ion collision will be very useful in shedding lights on the relative importance of antikaon absorption versus its mean-field potential.

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