New data on (g,n), (g,2n) and (g,3n) partial photoneutron reactions

Varlamov, V.V.; Ishkhanov, B.S.; Orlin, V.N.; Peskov, N.N.; Stepanov, M.E.

Авторы: Varlamov V.V., Ishkhanov B.S., Orlin V.N., Peskov N.N., Stepanov M.E.
Журнал: Physics of Atomic Nuclei
Том: 76
Номер: 11
Год издания: 2013
Издательство: Pleiades Publishing, Ltd
Местоположение издательства: Road Town, United Kingdom
Первая страница: 1403
Последняя страница: 1414
DOI: 10.1134/S1063778813110148
Аннотация: Systematic discrepancies between the results of various experiments devoted to determining cross sections for total and partial photoneutron reactions are analyzed by objective criteria of reliability of data in terms of the transitional photoneutron multiplicity functions Fi = SIG(g,in)/SIG(g,xn), whose values for i = 1, 2, 3,…can not exceed by definition 1.00, 0.50, 0.33,…respectively. It was found that the majority of experimental data on the cross sections of (g,n), (g,2n) and (g,3n) reactions obtained with the aid of methods of photoneutron multiplicity sorting do not meet objective criteria (in particular, F2 > 0.50 for a vast body of data). New data on the cross sections for partial reactions on 181Ta, and 208Pb nuclei were obtained within a new experimental-theoretical method that was proposed for evaluation cross sections for partial reactions and in which the experimental neutron yield reaction cross section SIG-exp(g,xn) = SIG(g,n) + 2SIG(g,2n) + 3SIG(g,3n),… which is free from problems associated with determining neutron multiplicities, is used simultaneously with the functions Fi-theor, calculated in the frame of combined model of photonuclear reactions.
Добавил в систему: Варламов Владимир Васильевич

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New data on (g,n), (g,2n) and (g,3n) partial photoneutron reactionsстатья

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