Scintillation Spectrometer Studies on the Beta-activity of K^<40>

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概要

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• The beta-ray spectrum of potassium-40 has been studied using the scintillations from the crystal of potassium iodide activated with thallium iodide. The Kurie plot of the spectrum gave the forbidden shape, which was straightened from the end-point 1320±20kev down to well below 300kev by the third forbidden tensor (or axial vector) correction factor. Mdasurement on the specific activity has also been carried out and resulted in the value λ(β)=5.0±0.2×10^<-10> per year. This value is in good agreement with recent determinations.

• 社団法人日本物理学会の論文
• 1955-07-05

著者

• KONO Soji

  Tokyo University of Education

関連論文

• A Light Effect of a Diamond Alpha Ray Counter
• Decay of Radioisotope Ga^
• Scintillation Spectrometer Studies on the Beta-activity of K^

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