Total and Capture Cross Sections of Dysprosium Isotopes up to 20 MeV

Journal Article · Tue Nov 15 04:00:00 EST 2005 · Nuclear Science and Engineering

OSTI ID:20808484

Lee, Y D; Oh, S Y; Chang, J H ^[1]

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1. Korea Atomic Energy Research Institute (Korea, Republic of)

Neutron data for total and capture cross sections were evaluated on {sup 160}Dy, {sup 161}Dy, {sup 162}Dy, {sup 163}Dy, and {sup 164}Dy up to 20 MeV. The resolved resonance parameters were adopted from the Mughabghab compilation, but one bound level resonance for each isotope except {sup 162}Dy was invoked to reproduce the reference thermal cross sections. The average resonance parameters for s-wave neutrons were obtained from the analysis of the statistical behavior of resolved resonance parameters. Recent measurements of the capture cross sections were taken into account in adjusting the average resonance parameters for p- and d-waves. From the first excited energy to 20 MeV, the optical model, Hauser-Feshbach model, and quantum mechanical models were used to produce total, elastic scattering, and capture cross sections. The energy-dependent optical model potential was decided based on the recent experimental data. The calculated cross sections were in good agreement with the experimental data. The present evaluation resulted in improvement over the ENDF/B-VI.7 code.

• OSTI ID: 20808484
• Journal Information: Nuclear Science and Engineering, Journal Name: Nuclear Science and Engineering Journal Issue: 3 Vol. 151; ISSN NSENAO; ISSN 0029-5639
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
CAPTURE
D WAVES
DYSPROSIUM 160
DYSPROSIUM 161
DYSPROSIUM 162
DYSPROSIUM 163
DYSPROSIUM 164
ELASTIC SCATTERING
ENERGY DEPENDENCE
MEV RANGE 10-100
NEUTRONS
OPTICAL MODELS
QUANTUM MECHANICS
RESONANCE
S WAVES
TOTAL CROSS SECTIONS