Progress report: SNS neutronics studies

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The proposed Spallation Neutron Source (SNS) facility will consist of two parts: (1) a high-energy (1-GeV) and high-powered (1-MW) proton accelerator (linac) and accumulator ring, and (2) a target station that produces low-energy (< 2-eV) neutrons and delivers them to the neutron scattering instruments. It will be a 60-Hz facility, delivering 6 x 10{sup 15} protons each second in 60 1-{micro}s pulses with a linac length of 490 m and an accumulator ring circumference of 220 m. This paper deals with the second part of the facility: the design and development of the SNS target station proposed for Oak Ridge ... continued below

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8 p.

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Charlton, L. A.; Barnes, J. M.; Johnson, J. O. & Gabriel, T. A. November 1, 1998.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this article can be viewed below.

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  • Oak Ridge National Laboratory
    Publisher Info: Oak Ridge National Lab., Computational Physics and Engineering Div., TN (United States)
    Place of Publication: Tennessee

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Description

The proposed Spallation Neutron Source (SNS) facility will consist of two parts: (1) a high-energy (1-GeV) and high-powered (1-MW) proton accelerator (linac) and accumulator ring, and (2) a target station that produces low-energy (< 2-eV) neutrons and delivers them to the neutron scattering instruments. It will be a 60-Hz facility, delivering 6 x 10{sup 15} protons each second in 60 1-{micro}s pulses with a linac length of 490 m and an accumulator ring circumference of 220 m. This paper deals with the second part of the facility: the design and development of the SNS target station proposed for Oak Ridge National Laboratory (ORNL). Some of the more recent work will be presented, including a premoderator study, validation comparisons with experiment, sensitivity studies of cryogenic H{sub 2} moderator output to assumed ortho/para admixtures, and the construction of a more detailed model geometry.

Physical Description

8 p.

Notes

INIS; OSTI as DE99000238

Source

  • ICANS: 14. conference on the international collaboration on advanced neutron sources, Argonne, IL (United States), 14-19 Jun 1998

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  • Other: DE99000238
  • Report No.: ORNL/CP--99605
  • Report No.: CONF-980680--
  • Grant Number: AC05-96OR22464
  • Office of Scientific & Technical Information Report Number: 677205
  • Archival Resource Key: ark:/67531/metadc703973

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • November 1, 1998

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • Nov. 3, 2016, 6:49 p.m.

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Charlton, L. A.; Barnes, J. M.; Johnson, J. O. & Gabriel, T. A. Progress report: SNS neutronics studies, article, November 1, 1998; Tennessee. (digital.library.unt.edu/ark:/67531/metadc703973/: accessed October 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.