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Title: Fission dynamics: the quest of a temperature dependent nuclear viscosity
Authors: Vardaci, E.
Brondi, A.
Rana, G. La
Moro, R.
Nitto, A. Di
Nadtochy, P.N.
Cinausero, M.
Prete, G.
Gelli, N.
Kozulin, E. M.
Knyazheva, G.N.
Keywords: fission dynamics
nuclear viscosity
dynamical models
intermediate fissility systems
charged particle multiplicities
Issue Date: 22-Feb-2014
Abstract: his paper presents a journey within some open questions about the current use of a temperature dependent nuclear viscosity in models of nuclear ission and proposes an alternative experimental approach by using systems of intermediate fissility. This study is particularly relevant because: i) systems of intermediate fissility offer a suitable frame-work since the intervals between the compound nucleus and scission point temperatures with increasing excitation energy are much smaller than in the case of heavier systems, ii) the dependence of viscosity on the temperature may change with the fissility of the composite system; iii) the opportunity to measure also observables in the evaporation residues channel translates into a larger set of effective constraints for the models.
ISSN: Print 2321-8649
Online 2321-9289
Appears in Collections:JNP Volume 1 Number 1 (August - 2013)

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