Status Report on the Spallation Neutron Source

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Description

The purpose of the Spallation Neutron Source Project (SNS) is to generate low-energy neutrons (ambient [{approximately}200 meV] and cold [{approximately}50 meV]) which can be used by up to 18 neutron beam lines to study the structure and functionality of materials. The neutrons are generated by the spallation process initiated by the interactions of 1-GeV protons with a Hg target. These neutrons are reflected by a Pb reflector and are moderated by 2 water (ambient) and 2 super critical hydrogen (cryogenic) moderators. The pulse structure for the 1 MW proton beam is 60 Hertz and < 0.7 {micro}s/pulse. The facility must ... continued below

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3 p.

Creation Information

Gabriel, T.A. October 12, 1998.

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Description

The purpose of the Spallation Neutron Source Project (SNS) is to generate low-energy neutrons (ambient [{approximately}200 meV] and cold [{approximately}50 meV]) which can be used by up to 18 neutron beam lines to study the structure and functionality of materials. The neutrons are generated by the spallation process initiated by the interactions of 1-GeV protons with a Hg target. These neutrons are reflected by a Pb reflector and are moderated by 2 water (ambient) and 2 super critical hydrogen (cryogenic) moderators. The pulse structure for the 1 MW proton beam is 60 Hertz and < 0.7 {micro}s/pulse. The facility must be upgradable to higher power levels (2- and 4- MW) with minimal operational interruptions. Although not included in the current funding or baseline, a second target station and associated support structure which will be designed to utilize cold neutrons is also considered to be an upgrade that must be incorporated with minimal impact on operations.

Physical Description

3 p.

Notes

INIS; OSTI as DE00003664

Medium: P; Size: 3 pages

Source

  • OECD/NEA Workshop Program on Utilization and Reliability of High Power Proton Accelerators, Mito (JP), 10/12/1998--10/16/1998

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  • Report No.: ORNL/CP-101239
  • Grant Number: AC05-96OR22464
  • Office of Scientific & Technical Information Report Number: 3664
  • Archival Resource Key: ark:/67531/metadc683192

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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.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • October 12, 1998

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • April 10, 2017, 7:37 p.m.

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Gabriel, T.A. Status Report on the Spallation Neutron Source, article, October 12, 1998; Tennessee. (digital.library.unt.edu/ark:/67531/metadc683192/: accessed December 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.