Quasiprojectile and intermediate velocity isotopic ratios for light fragments emitted in the Ar 36 +Ni 58 and Ni 58 +Ni 58 reactions between 32A and 84A MeV

Abstract : Isotopic ratios for light fragments (Z≤4 ) emitted by the quasiprojectile (QP) and the mid-rapidity (MR) sources are investigated by the use of a slightly asymmetric system (Ar 36 +Ni 58 ) and a symmetric one (Ni 58 +Ni 58 ) for six energies between 32A and 84A MeV and three semiperipheral centrality range selections. Experimental data come from the INDRA 4π multidetector. The results show a clear neutron-rich isotope production from the MR region as compared to the QP source. The beam energy and the centrality also show interesting different trends depending on the charge of the fragments and the emission source. Experimental results are compared to antisymmetrized molecular dynamics simulations.
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Submitted on : Tuesday, September 23, 2014 - 9:52:56 AM
Last modification on : Tuesday, February 19, 2019 - 10:58:01 AM

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J. Gauthier, R. Roy, P. St-Onge, B. Wallace, M.F. Rivet, et al.. Quasiprojectile and intermediate velocity isotopic ratios for light fragments emitted in the Ar 36 +Ni 58 and Ni 58 +Ni 58 reactions between 32A and 84A MeV. Physical Review C, American Physical Society, 2014, 90, pp.034618. ⟨10.1103/PhysRevC.90.034618⟩. ⟨in2p3-01067158⟩

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