Abstract
Energies and relative intensities of γ-rays from the decay of65Ge have been measured. The half-life was measured to be (31.2±0.7) sec. From the measured intensity of the annihilition radiation the intensity of the groundstate ß+ feeding was determined to be <10%. A total of 31 γ transitions was placed in a level scheme. The spin and parity of the groundstate of65Ge was determined to be 3/2− (5/2−).
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The authors are indebted to Prof. Dr. R. van Lieshout and Prof. Dr. A. H. Wapstra for their interest in this work. They express their gratitude to Dr. J. Rethmeier and his cyclotron-staff operating the V.U.-cyclotron, to Mr. A. van Poelgeest for his assistance and to Miss J. C. Kapteyn who performed the chemical separations.
This work has been supported in part by the Foundation of Fundamental Research of Matter (F.O.M.), financially supported by the Netherlands Organization for the Advancement of Pure Research (Z.W. O.).
The comments of Dr. R. G. H. Robertson on the manuscript are gratefully acknowledged.
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Jongsma, H.W., de Lange, J.C., Verheul, H. et al. The decay of65Ge. Z. Physik 262, 247–253 (1973). https://doi.org/10.1007/BF01391841
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DOI: https://doi.org/10.1007/BF01391841