Investigation of the chance structure of the fission cross section of 238U by neutrons in energy range from 14 to 18 Mev using the delayed neutrons

Gremyachkin, D.E.; Piksaikin, V.M.; Egorov, A.S.; Mitrofanov, V. F.; Mitrofanov, K.V.

doi:10.1016/j.pnucene.2019.103068

Cited by 3 publications

(1 citation statement)

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“…The purpose of this work is to extend the energy range of data on the relative abundances and the periods of DN from fission of 235 U beyond the threshold of the 235 U(n,n'f) reaction. These data are important for reactor kinetic calculations as well as for the verification of the fission yield data [3] and the chance fission analyses [4]. The measurements of the DN relative abundances and the half-lives of their precursors from neutron-induced fission of 235 U in the energy range 0.4 -8 MeV have been made with a modified experimental set-up at IPPE.…”

Section: Introductionmentioning

confidence: 99%

Verification of the Energy Dependence of the GEF Code Fission Product Yields Using Delayed Neutron Temporary Data

Gremyachkin,

Egorov,

Mitrofanov

et al. 2023

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The purpose of this work is to extend the energy range of the data on the relative abundances and the periods of delayed neutrons from fission of 235 U beyond the threshold of the 235 U(n,n'f) reaction. The measurements of the relative abundances and half-lives of precursors for delayed neutrons emitted from neutron-induced fission of 235 U in the energy range 0.4 -8 MeV have been performed with a modified experimental setup at IPPE, Obninsk. The obtained data have been used to verify the energy dependence of the 235 U fission product yields obtained from the GEF code using the summation method and the IAEA microscopic delayed-neutron database. The delayed-neutron relative abundances and half-lives data for neutron-induced fission of 235 U in the energy range 0.4 -8 MeV are available from the IAEA reference database https://wwwnds.iaea.org/beta-delayed-neutron/database.html.

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Section: Introductionmentioning

confidence: 99%