EXPERIMENTAL AND RESEARCH WORK IN NEUTRON DOSIMETRY. Final Summary Report for the Period May 15, 1959-June 15, 1960

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A practical, prototype silicon p-n junction fast-neutron dosimeter, sensitive in the same range as human tissue, was developed, together with sn associated read-out circuit to facilitate the accurate measurement of accumulated dose. From both theoretical and experimental considerations, it was demonstrated that the dosimeter is essentially insensitive to the gamma and thermal components of a uranium fission spectrum. It was shown that accumulated damage effects appear to be environmentally stable up to an ambient temperature of 100 C. A rather raarked reversible temperature dependence of the read-out parameters requires either control of the read-out temperature or temperature compensation in the ... continued below

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Pages: 113

Creation Information

Gorton, H.C.; Mengali, O.J.; Zacaroli, A.R.; Crooks, R.K.; Swartz, J.M. & Peet, C.S. June 15, 1960.

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Description

A practical, prototype silicon p-n junction fast-neutron dosimeter, sensitive in the same range as human tissue, was developed, together with sn associated read-out circuit to facilitate the accurate measurement of accumulated dose. From both theoretical and experimental considerations, it was demonstrated that the dosimeter is essentially insensitive to the gamma and thermal components of a uranium fission spectrum. It was shown that accumulated damage effects appear to be environmentally stable up to an ambient temperature of 100 C. A rather raarked reversible temperature dependence of the read-out parameters requires either control of the read-out temperature or temperature compensation in the read-out device. A high degree of reproducibility of dosimeter characteristics from one device to another was not achieved. The lack of reproducibility was attributed to uncontrolled variables in the bulk silicon from which the devices are fabricated, and in the production procedure. (auth)

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Pages: 113

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  • Other Information: Orig. Receipt Date: 31-DEC-60

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  • Report No.: NP-9008
  • Grant Number: DA-36-039-SC-78924
  • Office of Scientific & Technical Information Report Number: 4155791
  • Archival Resource Key: ark:/67531/metadc867787

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  • June 15, 1960

Added to The UNT Digital Library

  • Sept. 16, 2016, 12:32 a.m.

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  • Nov. 28, 2016, 1:57 p.m.

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Gorton, H.C.; Mengali, O.J.; Zacaroli, A.R.; Crooks, R.K.; Swartz, J.M. & Peet, C.S. EXPERIMENTAL AND RESEARCH WORK IN NEUTRON DOSIMETRY. Final Summary Report for the Period May 15, 1959-June 15, 1960, report, June 15, 1960; Columbus, Ohio. (digital.library.unt.edu/ark:/67531/metadc867787/: accessed December 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.