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Strongly damped nuclear collisions: Zero or first sound?
2000
Physical Review C
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The relaxation of the collective quadrupole motion in the initial stage of a central heavy ion collision at beam energies E_lab=520 AMeV is studied within a microscopic kinetic transport model. The damping rate is shown to be a non-monotonic function of E_lab for a given pair of colliding nuclei. This fact is interpreted as a manifestation of the zero-to-first sound transition in a finite nuclear system.
doi:10.1103/physrevc.61.064614
fatcat:kbpeq3sghbaddistc6c6ptep7y