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

16 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.

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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title = "New neutron cross-section measurements at ORELA and their application in nuclear criticality calculations",

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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AB - 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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ER -

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

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