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|Title:||Towards high accurate neutron-induced fission cross sections of 240,242Pu: Spontaneous fission half-lives|
|Authors:||SALVADOR CASTINEIRA PAULA; BRYS TOMASZ; EYKENS Roger; HAMBSCH Franz-Josef; MOENS Andre; OBERSTEDT Stephan; PRETEL C.; SIBBENS Goedele; VANLEEUW DAVID; VIDALI Marzio|
|Citation:||EPJ Web of Conferences vol. 62 p. 08001|
|Type:||Articles in periodicals and books|
|Abstract:||Fast spectrum neutron-induced fission cross sections of transuranic isotopes are being of special demand in order to provide accurate data for the new GEN-IV nuclear power plants. To minimize the uncertainties on these measurements accurate data on spontaneous fission half-lives and detector efficiencies are a key point. High -active actinides need special attention since the misinterpretation of detector signals can lead to low efficiency values or underestimation in fission fragment detection. In that context, 240,242Pu isotopes have been studied by means of a Twin Frisch-Grid Ionization Chamber (TFGIC) for measurements of their neutron-induced fission cross section. Gases with different drift velocities have been used, namely P10 and CH4. The detector efficiencies for both samples have been determined and improved spontaneous fission half-life values were obtained.|
|JRC Directorate:||Health, Consumers and Reference Materials|
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