Level structure of 110in from the 110cd(p, nγ)110in reaction

A. Krasznahorkay, T. Fényes, J. Timár, T. Kibédi, A. Passoja, R. Julin, J. Kumpulainen

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γ-ray and γγ-coincidence spectra of the 110Cd(p, nγ)110In reaction were measured with Ge(Li), Ge(LEPS), and Ge(HP) spectrometers at 6 MeV bombarding proton energy. Energies (Eγ) and relative intensities (Iγ) of 95 110In transitions (including 70 new ones) have been determined. The electron spectrum of the reaction was measured with a combined magnetic plus Si(Li) spectrometer at Ep = 6 MeV. Internal conversion coefficients of 41 transitions in 110In have been determined for the first time. The angular distribution of γ-rays was measured at 5.2, 5.6, and 6 MeV bombarding proton energies. A new, more complete level scheme of 110In has been deduced. On the basis of the internal conversion coefficients of transitions, Hauser-Feshbach analysis of (p, n) reaction cross sections, γ-ray angular distribution (and other) results unambiguous spin and parity assignments were made to 11 excited 110In levels. The energies of several 110In proton-neutron multiplets were calculated on the basis of the parabolic rule derived from the cluster-vibration model. The comparison of experimental and theoretical results provided identification of about 20 p-n multiplet states in 110In.

Original languageEnglish
Pages (from-to)471-493
Number of pages23
JournalNuclear Physics, Section A
Issue number3
Publication statusPublished - Nov 2 1987



  • Nuclear reactions

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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