Neutron spectrum adjustment using reaction rate data acquired with a liquid dosimetry system

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A dosimetry technique based on neutron activation of circulating water with dissolved salts is discussed. The neutron source was the FNS accelerator at JAERI, Tokai, Japan. Yttrium chloride hexahydrate (YCl{sub 3{center_dot}}6H{sub 2}O) was the salt (264.9 grams dissolved in 16.094 liters of water). Gamma-ray yields were measured with an intrinsic Ge detector. The following reactions were examined: (1) {sup 16}O(n,p){sup 16}N (E{sub thresh} = 10.245 MeV, t{sub 1/2} = 7.13 sec, E{sub {gamma}} = 6.129 MeV); (2) {sup 37}Cl(n,p){sup 37}S (E{sub thresh} = 4.194 MeV, t{sub 1/2} = 5.05 min, E{sub {gamma}} = 3.104 MeV); (3) {sup 89}Y(n,n{prime}){sup 89m}Y (E{sub ... continued below

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4 p.

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Smith, D.L.; Ikeda, Y.; Uno, Y. & Maekawa, F. August 1, 1997.

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A dosimetry technique based on neutron activation of circulating water with dissolved salts is discussed. The neutron source was the FNS accelerator at JAERI, Tokai, Japan. Yttrium chloride hexahydrate (YCl{sub 3{center_dot}}6H{sub 2}O) was the salt (264.9 grams dissolved in 16.094 liters of water). Gamma-ray yields were measured with an intrinsic Ge detector. The following reactions were examined: (1) {sup 16}O(n,p){sup 16}N (E{sub thresh} = 10.245 MeV, t{sub 1/2} = 7.13 sec, E{sub {gamma}} = 6.129 MeV); (2) {sup 37}Cl(n,p){sup 37}S (E{sub thresh} = 4.194 MeV, t{sub 1/2} = 5.05 min, E{sub {gamma}} = 3.104 MeV); (3) {sup 89}Y(n,n{prime}){sup 89m}Y (E{sub thresh} = 0.919 MeV, t{sub 1/2} = 16.06 sec, E{sub {gamma}} = 0.909 MeV). This paper describes use of the generalized least-squares (GLS) method to adjust the neutron spectrum.

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4 p.

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INIS; OSTI as DE97007005

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  • International conference on nuclear data for science and technology, Trieste (Italy), 20-24 May 1997

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  • Other: DE97007005
  • Report No.: ANL/TD/CP--90827
  • Report No.: CONF-970512--9
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 521617
  • Archival Resource Key: ark:/67531/metadc691450

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  • August 1, 1997

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  • Aug. 14, 2015, 8:43 a.m.

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  • Dec. 16, 2015, 5:13 p.m.

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Smith, D.L.; Ikeda, Y.; Uno, Y. & Maekawa, F. Neutron spectrum adjustment using reaction rate data acquired with a liquid dosimetry system, article, August 1, 1997; Illinois. (digital.library.unt.edu/ark:/67531/metadc691450/: accessed October 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.