Investigating the γ decay of Ni65 from particle-γ coincidence data

Investigating the γ decay of Ni65 from particle-γ coincidence data The γ decay of Ni65 has been studied from particle-γ coincidence data on the Ni64(d,pγ)Ni65 reaction. γ-ray spectra at excitation energies below Ex≈2MeV have been studied and compared with previous measurements. Coincidences corresponding to Ex≈4.4–6.1MeV have been used to constrain the shape of the nuclear level density and γ-strength function of Ni65 by means of the Oslo method. The experimental γ-strength function presents an enhancement at γ energies below Eγ≈3MeV. In addition, a resonance-like structure centered at Eγ≈4.6MeV is seen together with accumulated strength at Eγ≈2.6–3.6MeV. The obtained results contribute to the systematic study of γ decay in the Ni isotopes, which is of great interest for the understanding of both single-particle and collective nuclear structure phenomena. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review C American Physical Society (APS)

Investigating the γ decay of Ni65 from particle-γ coincidence data

Abstract

The γ decay of Ni65 has been studied from particle-γ coincidence data on the Ni64(d,pγ)Ni65 reaction. γ-ray spectra at excitation energies below Ex≈2MeV have been studied and compared with previous measurements. Coincidences corresponding to Ex≈4.4–6.1MeV have been used to constrain the shape of the nuclear level density and γ-strength function of Ni65 by means of the Oslo method. The experimental γ-strength function presents an enhancement at γ energies below Eγ≈3MeV. In addition, a resonance-like structure centered at Eγ≈4.6MeV is seen together with accumulated strength at Eγ≈2.6–3.6MeV. The obtained results contribute to the systematic study of γ decay in the Ni isotopes, which is of great interest for the understanding of both single-particle and collective nuclear structure phenomena.
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Publisher
The American Physical Society
Copyright
Copyright © ©2017 American Physical Society
ISSN
0556-2813
eISSN
1089-490X
D.O.I.
10.1103/PhysRevC.96.014312
Publisher site
See Article on Publisher Site

Abstract

The γ decay of Ni65 has been studied from particle-γ coincidence data on the Ni64(d,pγ)Ni65 reaction. γ-ray spectra at excitation energies below Ex≈2MeV have been studied and compared with previous measurements. Coincidences corresponding to Ex≈4.4–6.1MeV have been used to constrain the shape of the nuclear level density and γ-strength function of Ni65 by means of the Oslo method. The experimental γ-strength function presents an enhancement at γ energies below Eγ≈3MeV. In addition, a resonance-like structure centered at Eγ≈4.6MeV is seen together with accumulated strength at Eγ≈2.6–3.6MeV. The obtained results contribute to the systematic study of γ decay in the Ni isotopes, which is of great interest for the understanding of both single-particle and collective nuclear structure phenomena.

Journal

Physical Review CAmerican Physical Society (APS)

Published: Jul 18, 2017

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