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A Preliminary Calculation of 235U (n,2n) 234U Cross Sections [report]

H Chen, M A Ross, G Reffo, R M White, W Younes
1999 unpublished

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Preliminary calculations of the total two-neutron emission cross section, 235U(n,2n) 234U and the partial two-neutron emission cross sections, 235u(n, 2ny) 234U, are presented. The 235U(n, 2ny) 234U cross sections describe the process of y-decays in the residual nucleus following the twoneutron emission and were calculated for several y-transitions between states of the ground-state band of the 234U nucleus. All three reaction mechanisms, namely, direct, pre-equilibrium and compound, were
more » ... ed. In addition, fission competition as well as y-cascade were considered in the compound component of the cross section calculations. A comparison with the relevant experimental data obtained from the GEANIE detector at the LANSCE/WNR facility in Los Alamos was also carried out.
doi:10.2172/793456 fatcat:htcnugjfdnbdrcbfoy2hpv6ktq
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H Chen, M A Ross, G Reffo, R M White, W Younes. "A Preliminary Calculation of 235U (n,2n) 234U Cross Sections." (1999)