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    Kaon differential flow in relativistic heavy-ion collisions

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    PhysRevC.60.034902.pdf (43.80Kb)
    Date
    1999
    Author
    Li, Ba
    Zhang, B.
    Sustich, AT
    Ko, Che Ming.
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    Abstract
    Using a relativistic transport model, we study the azimuthal momentum asymmetry of kaons with fixed transverse momentum, i.e., the differential flow, in heavy-ion collisions at beam momentum of 6 GeV/c per nucleon, available from the Alternating Gradient Synchrotron (AGS) at the Brookhaven National Laboratory (BNL). We find that in the absence of kaon potential the kaon differential flow is positive and increases with transverse momentum as that of nucleons. The repulsive kaon potential as predicted by theoretical models, however, reduces the kaon differential flow, changing it to negative for kaons with low transverse momenta. Cancellation between the negative differential flow at low momenta and the positive one at high momenta is then responsible for the experimentally observed nearly vanishing in-plane transverse flow of kaons in heavy-ion experiments. [S0556-2813(99)02109-3].
    URI
    http://dx.doi.org/10.1103/PhysRevC.60.034902
    https://hdl.handle.net/1969.1/126890
    Description
    Journals published by the American Physical Society can be found at http://publish.aps.org/
    Subject
    AU+AU COLLISIONS
    NUCLEAR COLLISIONS
    ANISOTROPIC FLOW
    MATTER
    CONDENSATION
    K+
    ENERGIES
    HADRONS
    Physics
    Department
    Physics and Astronomy
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    Citation
    Ba Li, B. Zhang, AT Sustich and Che Ming Ko. Phys.Rev.C 60 034902 1999. "Copyright (1999) by the American Physical Society."

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