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Phys. Rev. C 65, 044606 (2002) [8 pages]

Effects of finite ground-state spin on fission fragment angular distributions following collisions with spherical or deformed nuclei

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R. D. Butt, M. Dasgupta, I. Gontchar*, D. J. Hinde, A. Mukherjee, A. C. Berriman, C. R. Morton, J. O. Newton, and A. E. Stuchbery
Department of Nuclear Physics, Research School of Physical Sciences and Engineering, Australian National University, Canberra, Australian Capital Territory 0200, Australia

J. P. Lestone
Los Alamos National Laboratory, Los Alamos, New Mexico 87545

See Also: Erratum

Received 19 November 2001; published 20 March 2002

The influence of the ground-state spin of fusing nuclei on the subsequent fission fragment angular distributions has been investigated through realistic quantum-mechanical calculations. The domain of applicability of an approximate formula is found for spherical nuclei. For deformed nuclei, a generalization of the standard transition state model expression for the fission fragment angular distribution is presented. This predicts dramatic changes in the shape and anisotropy of the distribution, for reactions of deformed nuclei with large ground-state spin.

© 2002 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.65.044606
DOI:
10.1103/PhysRevC.65.044606
PACS:
25.70.Jj

*Permanent address: Omsk State Railway University, pr. Marska 35, Omsk RU-644046, Russia.

See Also

Erratum: R. D. Butt, M. Dasgupta, I. Gontchar, D. J. Hinde, A. Mukherjee, A. C. Berriman, C. R. Morton, J. O. Newton, A. E. Stuchbery, and J. P. Lestone, Erratum: Effects of finite ground-state spin on fission fragment angular distributions following collisions with spherical or deformed nuclei [Phys. Rev. C 65, 044606 (2002)], Phys. Rev. C 65, 069904 (2002).

 
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