New neutron cross-section measurements at ORELA and their application in nuclear criticality calculations

K. H. Guber; L. C. Leal; R. O. Sayer; P. E. Koehler; T. E. Valentine; H. Derrien; J. A. Harvey

doi:10.1016/j.nimb.2005.07.083

New neutron cross-section measurements at ORELA and their application in nuclear criticality calculations

K. H. Guber, L. C. Leal, R. O. Sayer, P. E. Koehler, T. E. Valentine, H. Derrien, J. A. Harvey

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

Abstract

Many older neutron cross-section evaluations from libraries such as ENDF/B-VI or JENDL-3.2 show deficiencies in energy ranges that are important for criticality safety applications. Consequently, these evaluated data may not be adequate for nuclear criticality calculations where effects such as self-shielding, multiple scattering, or Doppler broadening are important. To support the Nuclear Criticality Safety Program, neutron cross-section measurements have been initiated at the Oak Ridge Electron Linear Accelerator (ORELA). ORELA is ideally suited to measure fission, neutron total, and capture cross-sections in the energy range from 1 eV to ∼600 keV, which is important for many nuclear criticality safety applications.

Original language	English
Pages (from-to)	218-222
Number of pages	5
Journal	Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume	241
Issue number	1-4
DOIs	https://doi.org/10.1016/j.nimb.2005.07.083
State	Published - Dec 2005

Funding

ORNL is managed by UT-Battelle, LLC, for the U.S. Department of Energy under contract no. DE-AC05-00OR22725.

Funders	Funder number
U.S. Department of Energy
Oak Ridge National Laboratory

Keywords

Evaluated data
Neutron capture
Neutron sensitivity
Neutron sources
Weighting function

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10.1016/j.nimb.2005.07.083

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Guber, K. H., Leal, L. C., Sayer, R. O., Koehler, P. E., Valentine, T. E., Derrien, H., & Harvey, J. A. (2005). New neutron cross-section measurements at ORELA and their application in nuclear criticality calculations. Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, 241(1-4), 218-222. https://doi.org/10.1016/j.nimb.2005.07.083

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abstract = "Many older neutron cross-section evaluations from libraries such as ENDF/B-VI or JENDL-3.2 show deficiencies in energy ranges that are important for criticality safety applications. Consequently, these evaluated data may not be adequate for nuclear criticality calculations where effects such as self-shielding, multiple scattering, or Doppler broadening are important. To support the Nuclear Criticality Safety Program, neutron cross-section measurements have been initiated at the Oak Ridge Electron Linear Accelerator (ORELA). ORELA is ideally suited to measure fission, neutron total, and capture cross-sections in the energy range from 1 eV to ∼600 keV, which is important for many nuclear criticality safety applications.",

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Guber, KH, Leal, LC, Sayer, RO, Koehler, PE, Valentine, TE, Derrien, H & Harvey, JA 2005, 'New neutron cross-section measurements at ORELA and their application in nuclear criticality calculations', Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, vol. 241, no. 1-4, pp. 218-222. https://doi.org/10.1016/j.nimb.2005.07.083

New neutron cross-section measurements at ORELA and their application in nuclear criticality calculations. / Guber, K. H.; Leal, L. C.; Sayer, R. O. et al.
In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Vol. 241, No. 1-4, 12.2005, p. 218-222.

Research output: Contribution to journal › Article › peer-review

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New neutron cross-section measurements at ORELA and their application in nuclear criticality calculations

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