Preliminary results from the {sup 51}Cr neutrino source experiment in GALLEX

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The GALLEX collaboration performed a second {sup 51}Cr neutrino source experiment during fall 1995. The full results from this second source experiment will not be available before the end of 1996. Meanwhile, we present a short description and preliminary results in this informal note. The (preliminary) value of the activity obtained form direct measurements has been found equal to (68.7 {+-}0.7) PBq (with 1-sigma error). This value, which is about 10% higher than the activity of the first source, was achieved by optimizing the irradiation conditions in the Silo{acute e} reactor and doing a longer irradiation of the enriched chromium. ... continued below

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13 p.

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Hampel, W.; Heusser, G. & Kiko, J. September 1, 1996.

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Description

The GALLEX collaboration performed a second {sup 51}Cr neutrino source experiment during fall 1995. The full results from this second source experiment will not be available before the end of 1996. Meanwhile, we present a short description and preliminary results in this informal note. The (preliminary) value of the activity obtained form direct measurements has been found equal to (68.7 {+-}0.7) PBq (with 1-sigma error). This value, which is about 10% higher than the activity of the first source, was achieved by optimizing the irradiation conditions in the Silo{acute e} reactor and doing a longer irradiation of the enriched chromium. Preliminary results show that the ratio, R, of the radiochemically determined activity from {sup 71}Ge counting (57.1 {+-} PBq) to the directly measured activity is (0.83 {+-} 0.10). The combined value of R for the two source experiments is (0.92 {+-} 0.08).

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13 p.

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INIS; OSTI as DE96014538

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  • Other Information: PBD: [1996]

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  • Other: DE96014538
  • Report No.: BNL--63299
  • Grant Number: AC02-76CH00016
  • DOI: 10.2172/374172 | External Link
  • Office of Scientific & Technical Information Report Number: 374172
  • Archival Resource Key: ark:/67531/metadc679877

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Office of Scientific & Technical Information Technical Reports

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  • September 1, 1996

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  • July 25, 2015, 2:20 a.m.

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  • Nov. 24, 2015, 7:47 p.m.

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Hampel, W.; Heusser, G. & Kiko, J. Preliminary results from the {sup 51}Cr neutrino source experiment in GALLEX, report, September 1, 1996; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc679877/: accessed October 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.