Ternary α and triton emission in the spontaneous fission of 244Cm, 246Cm and 248Cm and in the neutron induced fission of 243Cm, 245Cm and 247Cm

Details Ternary α and triton emission in the spontaneous fission of 244Cm, 246Cm and 248Cm and in the neutron induced fission of 243Cm, 245Cm and 247Cm Ternary α and triton emission in the spontaneous fission of 244Cm, 246Cm and 248Cm and in the neutron induced fission of 243Cm, 245Cm and 247Cm

Jun 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008nupha.806....1v&link_type=abstract

Nuclear Physics A, Volume 806, Issue 1-4, p. 1-14.

Physics

Nuclear Physics

2

General Properties Of Fission, Spontaneous Fission, Neutron-Induced Fission, 220<=A

Scientific paper

The emission probabilities and the energy distributions of tritons and α particles emitted in the spontaneous ternary fission (zero excitation energy) of 244Cm, 246Cm and 248Cm and in the cold neutron induced fission (excitation energy ≈6.5 MeV) of 243Cm, 245Cm and 247Cm are determined. The particle identification was done with suited ΔE-E telescope detectors, at the IRMM (Geel, Belgium) for the spontaneous fission and at the ILL (Grenoble, France) for the neutron induced fission measurements. Hence particle emission characteristics of the fissioning systems 244Cm, 246Cm and 248Cm are obtained at zero excitation energy and at an excitation energy around 6.5 MeV. Whilst the triton emission probability is hardly influenced by the excitation energy, the 4He emission probability in spontaneous fission is about 20% higher than for neutron induced fission. This could be explained by the influence of the cluster preformation probability on the ternary α emission.

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