Back-angle elastic and inelastic scattering of α particles from the even Ni isotopes

W. Trombik, K. A. Eberhard, G. Hinderer, H. H. Rossner, A. Weidinger, and J. S. Eck
Phys. Rev. C 9, 1813 – Published 1 May 1974
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Abstract

Angular distributions for the elastic and inelastic scattering of α particles from the even Ni isotopes from 12.5 to 177.5° in the energy range from 18-27 MeV are reported. The β2 coupling strengths to the first excited 2+ state in each isotope are extracted from the data and are compared to similar results obtained at higher energy. The lack of any backward enhancement in the cross sections, in contrast to results reported for lighter nuclei, is explained on the basis of the level densities in the compound system.

[NUCLEAR REACTIONS Ni58,60,62,64(α,α), E=1827 MeV; measured σ(E;θ); deduced optical-model parameters. Enriched targets. Coupled-channel analysis, resolution 200 keV, θ=12.5177.5, Δθ=2.5.]

  • Received 18 October 1973

DOI:https://doi.org/10.1103/PhysRevC.9.1813

©1974 American Physical Society

Authors & Affiliations

W. Trombik, K. A. Eberhard, G. Hinderer, H. H. Rossner, and A. Weidinger

  • Sektion Physik, Universität München, 8046 Garching, Germany

J. S. Eck

  • Sektion Physik, Universität München, 8046 Garching, Germany
  • Kansas State University, Manhattan, Kansas 66506

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Vol. 9, Iss. 5 — May 1974

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