Average numbers of instantaneous neutrons from spontaneous fission of Pu242

Prokhorova, L. I.; Smirenkin, G.N.; Turchin, Yu. M.

doi:10.1007/bf01162323

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Multi-modal Calculation Of the Prompt Neutron Spectrum And M...1

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2010

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“…These results agree with the experimental observation. The total average prompt neutron multiplicity calculated with expression (11) agrees well with the experimental data [33][34][35][36][37][38][39][40][41][42][43], as shown in Fig. 7.…”

Section: Multi-modal Calculation Of the Prompt Neutron Spectrum And M...supporting

confidence: 80%

Multi-modal analysis for low energy neutron-induced fission of²³⁵U

Zheng¹,

Tieshuan²,

Ding³

et al. 2010

Chinese Phys. C

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Low energy neutron induced fission of 235U is studied in the framework of the multi-modal fission model. The fission fragment properties, such as the yields, the average total kinetic energy distribution and the average neutron separation energy, are investigated for incident neutron energies from thermal to 6.0 MeV. The multi-modal fission approach is also used to evaluate the prompt fission neutron multiplicity and spectra for the neutron-induced fission of 235U with an improved version of the Los Alamos model for incident neutrons below the (n, nf) threshold. The three most dominant fission modes are taken into account. The model parameters are determined on the basis of experimental data. The calculated results are in good agreement with the experimental data.

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