Title: Ternary Alpha and Triton Emission in the Spontaneous Fission of 244Cm, 246Cm and 248Cm and in the Neutron Induced Fission of 243Cm, 245Cm and 247Cm
Authors: VERMOTE S.WAGEMANS CyrielSEROT OlivierHEYSE JanVAN GILS JaakSOLDNER T.GELTENBORT P.
Citation: NUCLEAR PHYSICS A vol. 806 no. 1-4 p. 1-14
Publisher: ELSEVIER SCIENCE BV
Publication Year: 2008
JRC Publication N°: JRC44449
ISSN: 0375-9474
URI: http://www.sciencedirect.com
http://publications.jrc.ec.europa.eu/repository/handle/JRC44449
DOI: 10.1016/j.nuclphysa.2008.03.006
Type: Articles in Journals
Abstract: The emission probabilities and the energy distributions of tritons and a 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 ¿E-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 a emission.
JRC Institute:Institute for Reference Materials and Measurements

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