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Isospin Dependence of Collective Flow in Heavy-Ion Collisions at Intermediate Energies

Abstract : Within the framework of an isospin-dependent Boltzmann-Uehling-Uhlenbeck model using initial proton and neutron densities calculated from the nonlinear relativistic mean-field theory, we compare the strength of transverse collective flow in reactions 48Ca+58Fe and 48Cr+58Ni, which have the same mass number but different neutron/proton ratios. The neutron-rich system (48Ca+58Fe) is found to show significantly stronger negative deflection and consequently has a higher balance energy, especially in peripheral collisions.
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http://hal.in2p3.fr/in2p3-00311600
Contributor : Michel Lion <>
Submitted on : Tuesday, August 19, 2008 - 2:33:56 PM
Last modification on : Thursday, February 1, 2018 - 1:26:54 AM

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B.A. Li, Z. Ren, C. M. Ko, S.J. Yennello. Isospin Dependence of Collective Flow in Heavy-Ion Collisions at Intermediate Energies. Physical Review Letters, American Physical Society, 1996, 76, pp.4492-4495. ⟨10.1103/PhysRevLett.76.4492⟩. ⟨in2p3-00311600⟩

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