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On the plane fragmentation barriers

G Royer and F Haddad

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The symmetric emission of fragments in the same plane has been studied within the generalized liquid-drop model taking into account the nuclear proximity energy and the temperature. For all usual nuclear masses, the plane fragmentation barrier heights increase rapidly with the multiplicity of the fragmentation but they are always lower than the three-dimensional fragmentation barrier heights. For very heavy and evanescent nuclear systems, all the plane fragmentation barriers have almost the same height. The kinetic energies of the fragments are lower for the plane fragmentation than for the three-dimensional fragmentation.


PACS

21.60.Ev Collective models

25.70.Mn Projectile and target fragmentation

21.10.Gv Nucleon distributions and halo features

Subjects

Nuclear physics

Dates

Issue 11 (November 1994)



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