Measurements of delayed-neutron yields from thermal-neutron-induced fission of 235U, 233U, 239Pu, and 237Np期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Measurements of delayed-neutron yields from thermal-neutron-induced fission of 235U, 233U, 239Pu, and 237Np

Authors:	S. B. Borzakov A. N. Andreev E. Dermendjiev A. Filip W. I. Furman Ts. Panteleev I. Ruskov Yu. S. Zamyatnin Sh. Zeinalov

Affiliation:	(1) Institute for Nuclear Research and Nuclear Energy, BAS, Sofia, Bulgaria;(2) CEA, Cadarache, France;(3) Joint Institute for Nuclear Research, Dubna, Moscow oblast, 141980, Russia

Abstract:	The experimental results on delayed-neutron yields from thermal-neutron-induced fission of some actinides in the IBR-2 pulsed reactor are presented. A method of periodic irradiation without displacement of the sample was used. The measurements of delayed-neutron total yields in thermal-neutron-induced fission of ²³⁹Pu, ²³³U, and ²³⁷Np and in cold-neutron-induced fission of ²³⁵U, ²³³U, and ²³⁹Pu were carried out. All values were obtained with the use of the value of β₀ for (n _th+²³⁵U) as a reference. Precise measurements of decay curves in the time interval 5–350 ms for ²³⁵U and ²³⁹Pu were performed.

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