Evaluation of the 232Th Neutron Cross Sections between 4 keV and 140 keV

Journal Article · Tue May 24 04:00:00 EDT 2005 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.1944963· OSTI ID:20722703

Volev, K; Koyumdjieva, N ^[1]; Brusegan, A; Borella, A; Siegler, P; Schillebeeckx, P ^[1]; Janeva, N; Lukyanov, A ^[2]; Leal, L ^[3]

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1. EC-JRC, Institute for Reference Materials and Measurements, B-2440 Geel (Belgium)
2. Institute for Nuclear Research and Nuclear Energy, 1784 Sofia (Bulgaria)
3. Oak Ridge National Laboratory, Oak Ridge, TN 37831 (United States)

An evaluation of the 232Th neutron total and capture cross sections has been performed in the energy region between 4 keV and 140 keV. The evaluation results from a simultaneous analysis of capture, transmission, and self-indication measurement data, including the most recent capture cross-section data obtained at the GELINA facility of the Institute for Reference Materials and Measurements at Geel (B) and at the n-TOF facility at CERN (CH). The experimental data have been analysed in terms of average resonance parameters exploiting two independent theoretical approaches -- the Characteristic Function model and the Hauser-Feshbach-Moldauer theory. The resulting parameters are consistent with the resolved resonance parameters deduced from the transmission measurements of Olsen et al. at the ORELA facility.

• OSTI ID: 20722703
• Journal Information: AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 769; ISSN 0094-243X; ISSN APCPCS
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
CAPTURE
CERN
CROSS SECTIONS
ENERGY DEPENDENCE
EVALUATION
HAUSER-FESHBACH THEORY
KEV RANGE
NEUTRON REACTIONS
NEUTRONS
ORELA
RESONANCE
THORIUM 232