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    Antikaon flow in heavy-ion collisions: Effects of absorption and mean-field potential

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    PhysRevC.54.R2159.pdf (93.39Kb)
    Date
    1996
    Author
    Li, GQ
    Ko, Che Ming.
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    Abstract
    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 anticorrelation 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 light on the relative importance of antikaon absorption versus its mean-field potential.
    URI
    http://dx.doi.org/10.1103/PhysRevC.54.R2159
    https://hdl.handle.net/1969.1/126866
    Description
    Journals published by the American Physical Society can be found at http://publish.aps.org/
    Subject
    NUCLEUS-NUCLEUS COLLISIONS
    SUBTHRESHOLD KAON PRODUCTION
    UEHLING-UHLENBECK MODEL
    ANTIPROTON PRODUCTION
    EQUATION
    GEV/NUCLEON
    EMISSION
    MATTER
    ATOMS
    Physics
    Department
    Physics and Astronomy
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    Citation
    G. Q. Li and Che Ming Ko. Phys.Rev.C 54 R2159-R2162 1996. "Copyright (1996) by the American Physical Society."

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