Pair breaking and even-odd structure in fission-fragment yields

Abstract : The probabilities of single-particle excitations that preserve completely paired configurations of the nuclear proton and neutron subsystems are formulated as a function of excitation energy in the framework of the superfluid nuclear model. These calculations are used to analyse measured data on even-odd structure in fission-fragment yields. Excitation energies acquired at scission are deduced. The strongly differing even-odd structures in proton and neutron numbers are explained within the assumption of thermal equilibrium of intrinsic excitations at scission.
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Submitted on : Tuesday, October 17, 2000 - 2:31:21 PM
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F. Rejmund, A.V. Ignatyuk, A.R. Junghans, K.-H. Schmidt. Pair breaking and even-odd structure in fission-fragment yields. Nuclear Physics A, Elsevier, 2000, 678, pp.215-234. ⟨in2p3-00017847⟩

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