Central collisions in the argon induced fission of thorium in the transition energy regime

M Conjeaud, S Harar, M Mostefai, EC Pollacco… - Physics Letters B, 1985 - Elsevier
M Conjeaud, S Harar, M Mostefai, EC Pollacco, C Volant, Y Cassagnou, R Dayras…
Physics Letters B, 1985Elsevier
Angular correlations between fission fragments induced by an 40Ar bombardment of 232Th
targets at four energies, 31, 35, 39 and 44 MeV/u, have been measured as well as the
energies, velocities and masses of both fragments. The characteristics of peripheral
collisions remain about constant in the range studied, whereas the component attributed to
the central collisions which shows a saturation in linear momentum transfer at 180 MeV/c
per incident nucleon, has a cross section decreasing with bombarding energy which is …
Angular correlations between fission fragments induced by an 40Ar bombardment of 232Th targets at four energies, 31, 35, 39 and 44 MeV/u, have been measured as well as the energies, velocities and masses of both fragments. The characteristics of peripheral collisions remain about constant in the range studied, whereas the component attributed to the central collisions which shows a saturation in linear momentum transfer at 180 MeV/c per incident nucleon, has a cross section decreasing with bombarding energy which is correlated to an increase of the excitation energy of the fissioning nuclei.
Elsevier
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