Photodisintegration of the isotopes 186,188,189,190,192Os: similarities and distinctions

Varlamov, V.V.; Makarov, M.A.; Peskov, N.N.; Stepanov, M.E.

Авторы: Varlamov V.V., Makarov M.A., Peskov N.N., Stepanov M.E.
Журнал: Physics of Atomic Nuclei
Том: 78
Номер: 6
Год издания: 2015
Издательство: Pleiades Publishing, Ltd
Местоположение издательства: Road Town, United Kingdom
Первая страница: 746
Последняя страница: 756
DOI: 10.1134/S1063778815060150
Аннотация: In addition to the obtained before results for 188,189Os isotopes experimental data for photo-disintegration of 186,190,192Os isotopes are analyzed on the basis of specially introduced objective criteria of reliability of data on cross sections for the partial photoneutron reactions. It is found out that (g, 1n), (g, 2n) and (g, 3n) cfor each isotope satisfy differently or, on the contrary, do not satisfy the data-reliability criteria. In many cases, the multiplicity transition functions specified as the ratios Fi = SIG(g, in)/SIG(g, xn) of the cross sections for the (g, in) partial reactions to the neutron yield reaction cross section SIG(g, xn) = SIG(g,1n) + 2SIG(g,2n) + 3SIG (g,3n) + … – have values that are physically unreliable by definition. It is shown that ambiguities in the dependence of significant systematic uncertainties in experimentally determined neutron multiplicities on the measured kinetic energies is the reason for this. The dependence of these uncertainties on the energy neutron spectra is analyzed. For the isotopes 186,190,192Os, new evaluated data satisfying the data-reliability criteria are obtained for cross sections for partial and total photoneutron reactions.
Добавил в систему: Варламов Владимир Васильевич

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Photodisintegration of the isotopes 186,188,189,190,192Os: similarities and distinctionsстатья

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