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The fission fragment energy and mass distributions of the spontaneously fissioning 236, 238, 240, 242 and 244 Pu isotopes have been studied. These characteristics are an ideal data set for the investigation of shell effects and fission channels under identical conditions, i.e. constant Z, I(pi) = O(+) and zero excitation energy. The important variations observed in the distributions are discussed in terms of the scission point model as well as in terms of the fission channel model with random neck-rupture.

Additional information

Authors: WAGEMANS C, Nuclear Physics Laboratory, Gent (BE) and SCK-CEN, Mol (BE);SCHILLEBEECKX P, Nuclear Physics Laboratory, Gent (BE) and SCK-CEN, Mol (BE);DERUYTER A, JRC Geel Estab. (BE)
Bibliographic Reference: Paper presented: Fifty Years Research in Nuclear Fission, Berlin (DE), April 3-7, 1989
Availability: Available from (1) as Paper EN 34721 ORA
Record Number: 198910545 / Last updated on: 1994-12-01
Original language: en
Available languages: en