Fast-Neutron Cross Sections of Elemental Bismuth
- 1 July 1980
- journal article
- research article
- Published by Taylor & Francis in Nuclear Science and Engineering
- Vol. 75 (1) , 69-75
- https://doi.org/10.13182/NSE80-A20319
Abstract
Neutron total cross sections of elemental bismuth were measured with broad resolutions from 1.2 to 4.5 MeV to accuracies of ∼1%. Neutron differential elastic scattering cross sections were measured from 1.5 to 4.0 MeV at incident neutron energy intervals of ≲0.2 MeV over the scattered neutron angular range ∼20 to 160 deg. Differential neutron cross sections for the excitation of observed states in bismuth at 895 ± 12, 1606 ± 14, 2590 ± 15, 2762 ± 29, 3022 ± 21, and 3144 ± 15 keV were determined at incident neutron energies up to 4.0 Me V. The measured values were interpreted in terms of an optical-statistical model.Keywords
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