Structure of 72As nucleus

γ-ray, internal conversion electron and γγ-coincidence spectra of the 72Ge(p,nγ) 72As reaction were measured with Ge(HP) γ and superconducting magnetic lens plus Si(Li) electron spectrometers at eight bombarding proton energies between 5.75 and 6.51 MeV. Energies and relative intensities of 123 (amo...

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Bibliographic Details
Published in:Nuclear physics. A 1996-07, Vol.604 (1), p.25-52
Main Authors: Sohler, D., Algora, A., Fényes, T., Gulyás, J., Brant, S., Paar, V.
Format: Article
Language:English
Subjects:
measured Eγ, Iγ, γγ-coin, Ice, σrel( E, ELEV). 72As deduced levels, γ-branching, J, π. Hauser-Feshbach analysis. Ge(HP) detectors, superconducting magnetic lens plus Si(Li) electron spectrometer. Enriched targets. Interacting boson-(fermion-fermion) model calculation of the structure of 72As
Nuclear reactions 72Ge(p,nγ), E = 5.75, 5.96, 6.01, 6.10, 6.16, 6.21, 6.41 and 6.51 MeV
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Summary:γ-ray, internal conversion electron and γγ-coincidence spectra of the 72Ge(p,nγ) 72As reaction were measured with Ge(HP) γ and superconducting magnetic lens plus Si(Li) electron spectrometers at eight bombarding proton energies between 5.75 and 6.51 MeV. Energies and relative intensities of 123 (among them 58 new) 72As γ-rays, as well as 51 (including 38 new) internal conversion coefficients have been determined. A more complete level scheme, γ-ray branching ratios, level spin and parity values have been deduced. The energy spectra and electromagnetic properties were calculated using the interacting boson-fermion-fermion model. The calculations reasonably well describe the level spectra and electromagnetic properties of 72As nucleus.
ISSN:0375-9474
DOI:10.1016/0375-9474(96)00105-4