N and Z odd-even staggering in Kr + Sn collisions at Fermi energies

Abstract : The odd-even staggering of the yield of final reaction products has been studied as a function of proton (Z) and neutron (N) numbers for the collisions 84 Kr+112 Sn and 84 Kr+124 Sn at 35 MeV/nucleon, in a wide range of elements (up to Z ~ 20). The experimental data show that staggering effects rapidly decrease with increasing size of the fragments. Moreover the staggering in N is definitely larger than the one in Z. Similar general features are qualitatively reproduced by the GEMINI code. Concerning the comparison of the two systems, the staggering in N is in general rather similar, being slightly larger only for the lightest fragments produced in the n-rich system. In contrast the staggering in Z, although smaller than that in N, is sizably larger for the n-poor system with respect to the n-rich one.
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Submitted on : Tuesday, October 1, 2013 - 9:14:22 AM
Last modification on : Tuesday, February 19, 2019 - 11:16:01 AM

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S. Piantelli, G. Casini, P.R. Maurenzig, A. Olmi, S. Barlini, et al.. N and Z odd-even staggering in Kr + Sn collisions at Fermi energies. Physical Review C, American Physical Society, 2013, 88, pp.064607. ⟨10.1103/PhysRevC.88.064607⟩. ⟨in2p3-00868032⟩

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