Integral excitation functions for natKr + p up to 116 MeV and optimization of the production of 81Rb for (81m)Kr generators

Effective cross-sections for the production of 79,81,81m,82m,83,84,84m,86Rb, (77,79,85m)Kr and 77,82Br in the bombardment of natKr with protons were measured from threshold up to 116 MeV. Thick-target production-rate curves based on the measured integral excitation functions were also derived for 81...

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Published inInternational journal of radiation applications and instrumentation. Part A, Applied radiation and isotopes Vol. 42; no. 4; pp. 361 - 370
Main Authors Steyn, G F, Mills, S J, Nortier, F M, Haasbroek, F J
Format Journal Article
LanguageEnglish
Published England 1991
Subjects
Krypton Radioisotopes
Radionuclide Generators
Rubidium Radioisotopes
Technology, Radiologic
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Summary:Effective cross-sections for the production of 79,81,81m,82m,83,84,84m,86Rb, (77,79,85m)Kr and 77,82Br in the bombardment of natKr with protons were measured from threshold up to 116 MeV. Thick-target production-rate curves based on the measured integral excitation functions were also derived for 81,82m,83,84,86Rb, and the optimum incident energy for the production of 81Rb/(81m)Kr, as a function of the target thickness in MeV, was determined. Geometry-dependent hybrid-model calculations performed by means of the computer code ALICE/85/300 were found to be in good agreement with the experimental results as well as the derived thick-target production-rate curves.
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ISSN:0883-2889