Neutron source strength monitors for ITER

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There are several goals for the neutron source strength monitor system for the International Thermonuclear Experimental Reactor (ITER). Desired is a stable, reliable, time-dependent neutron detection system which exhibits a wide dynamic range and broad energy response to incident neutrons while being insensitive to gamma rays and having low noise characteristics in a harsh reactor environment. This system should be able to absolutely calibrated in-situ using various neutron sources. An array of proportional counters of varying sensitivities is proposed along with the most promising possible locations. One proposed location is in the pre-shields of the neutron camera collimators which would ... continued below

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12 p.

Creation Information

Barnes, C.W. & Roquemore, A.L. May 7, 1996.

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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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  • Barnes, C.W. Sandia National Labs., Albuquerque, NM (United States)
  • Roquemore, A.L. Princeton Univ., NJ (United States). Plasma Physics Lab.

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Description

There are several goals for the neutron source strength monitor system for the International Thermonuclear Experimental Reactor (ITER). Desired is a stable, reliable, time-dependent neutron detection system which exhibits a wide dynamic range and broad energy response to incident neutrons while being insensitive to gamma rays and having low noise characteristics in a harsh reactor environment. This system should be able to absolutely calibrated in-situ using various neutron sources. An array of proportional counters of varying sensitivities is proposed along with the most promising possible locations. One proposed location is in the pre-shields of the neutron camera collimators which would allow an integrated design of neutron systems with good detector access. As part of an ongoing conceptual design for this system, the detector-specific issues of dynamic range, performance monitoring, and sensitivity will be presented. The location options of the array will be discussed and most importantly, the calibration issues associated with a heavily shielded vessel will be presented.

Physical Description

12 p.

Notes

INIS; OSTI as DE96011275

Source

  • 11. high temperature plasma diagnostic conference, Monterey, CA (United States), 13-17 Jun 1996

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  • Other: DE96011275
  • Report No.: LA-UR--96-1651
  • Report No.: CONF-9606208--10
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 244645
  • Archival Resource Key: ark:/67531/metadc671011

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Creation Date

  • May 7, 1996

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • March 1, 2016, 6:08 p.m.

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Barnes, C.W. & Roquemore, A.L. Neutron source strength monitors for ITER, article, May 7, 1996; New Mexico. (digital.library.unt.edu/ark:/67531/metadc671011/: accessed August 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.