A study of nuclear stopping in central symmetric nuclear collisions at intermediate energies

Abstract : Nuclear stopping has been investigated in central symmetric nuclear collisions at intermediate energies. Firstly, it is found that the isotropy ratio, Riso, reaches a minimum near the Fermi energy and saturates or slowly increases depending on the mass of the system as the beam energy increases. An approximate scaling based on the size of the system is found above the Fermi energy suggesting the increasing role of in-medium nucleon-nucleon collisions. Secondly, the charge density distributions in velocity space, dZ/dvk and dZ/dv?, reveal a strong memory of the entrance channel and, as such, a sizeable nuclear transparency in the intermediate energy range. Lastly, it is shown that the width of the transverse velocity distribution is proportional to the beam velocity.
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Submitted on : Monday, March 14, 2005 - 10:15:49 AM
Last modification on : Tuesday, April 2, 2019 - 1:35:48 AM
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C. Escano-Rodriguez, D. Durand, A. Chbihi, J.D. Frankland, M.L. Begemann-Blaich, et al.. A study of nuclear stopping in central symmetric nuclear collisions at intermediate energies. 2005. ⟨in2p3-00023856⟩

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