Excited states of the 70Ga nucleus

T. Fényes, J. Gulyás, T. Kibédi, A. Krasznahorkay, J. Timár, S. Brant, V. Paar

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The γ-spectrum of the 70Zn(p. nγ)70Ga reaction was measured with Ge(Li) spectrometers at proton bombarding energies of 3, 3.5 and 4 MeV. 47 γ-rays were assigned to 70Ga and the energies (Eγ) and relative intensities (Iγ) of γ-rays were determined. The electron spectrum of the reaction was measured with high-transmission superconducting-magnet-transporter Si(Li) and mini-orange Si(Li) spectrometers. Internal conversion coefficients were determined for eight 70Ga transitions. The level scheme of 70Ga, γ-branching ratios, multipolarity of transitions, level spins and parities were deduced. The energies of low-lying 70Ga levels were calculated on the basis of the parabolic rule derived from the cluster-vibration model. This calculation provided a simple classification of several multiplet states in 70Ga for the first time.

Original languageEnglish
Pages (from-to)557-570
Number of pages14
JournalNuclear Physics, Section A
Issue number3
Publication statusPublished - May 14 1984



  • Nuclear Reactions

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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