Five-Dimensional Fission-Barrier Calulations from Se-70 to Cf-252

Details Five-Dimensional Fission-Barrier Calulations from Se-70 to Cf-252 Five-Dimensional Fission-Barrier Calulations from Se-70 to Cf-252

2004-01-27

arxiv.org/abs/nucl-th/0401058v1

Phys.Rev.Lett. 92 (2004) 072501

Physics

Nuclear Physics

Nuclear Theory

REVTeX4, 4 pages, 3 figures, to be published in Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.92.072501

We present fission-barrier-height calculations for nuclei throught the Periodic Table based on a realistic macroscopic-microscopic model. Compared to other calculations: (1) we use a deformation space of sufficiently high dimension, sampled densely enough to describe the relevant topography of the fission potential, (2) we unambiguously find the physically relevant saddle points in this space, and (3) we formulate our model so that we obtain continuity of the potential energy at the division point between a single system and separated fission fragments or colliding nuclei, allowing us to (4) describe both fission-barrier heights and ground-state masses throughout the Periodic Table.

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