Neutron Cross Sections Measurements for Light Elements at ORELA and their Application in Nuclear Criticality

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The Oak Ridge Electron Linear Accelerator (ORELA) was used to measure neutron total and capture cross sections of aluminium, natural chlorine and silicon in the energy range from 100 eV to {approx}600 keV. ORELA is the only high power white neutron source with excellent time resolution and ideally suited for these experiments still operating in the USA. These measurements were carried out to support the Nuclear Criticality Predictability Program. Concerns about the use of existing cross section data in the nuclear criticality calculations using Monte Carlo codes and benchmarks have been a prime motivator for the new cross section measurements. ... continued below

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Guber, K.H. August 24, 2001.

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The Oak Ridge Electron Linear Accelerator (ORELA) was used to measure neutron total and capture cross sections of aluminium, natural chlorine and silicon in the energy range from 100 eV to {approx}600 keV. ORELA is the only high power white neutron source with excellent time resolution and ideally suited for these experiments still operating in the USA. These measurements were carried out to support the Nuclear Criticality Predictability Program. Concerns about the use of existing cross section data in the nuclear criticality calculations using Monte Carlo codes and benchmarks have been a prime motivator for the new cross section measurements. More accurate nuclear data are not only needed for these calculations but also serve as input parameters for s-process stellar models.

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  • International Conference on Nuclear Data for Science and Technology, Tsukuba (JP), 10/07/2001--10/12/2001

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  • Report No.: P01-111583
  • Grant Number: AC05-00OR22725
  • Office of Scientific & Technical Information Report Number: 788533
  • Archival Resource Key: ark:/67531/metadc725225

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  • August 24, 2001

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  • Sept. 29, 2015, 5:31 a.m.

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  • March 22, 2016, 9:27 p.m.

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Guber, K.H. Neutron Cross Sections Measurements for Light Elements at ORELA and their Application in Nuclear Criticality, article, August 24, 2001; Tennessee. (digital.library.unt.edu/ark:/67531/metadc725225/: accessed August 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.