Phys. Rev. C 56, 547 - 550 (1997)

Spectroscopy of 21F with the (α,2He) reaction

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P. von Neumann-Cosel1,2, R. Jahn1, U. Fister1, T. K. Trelle1, and B. A. Brown3
1Institut für Strahlen- und Kernphysik, Universität Bonn, D-53115 Bonn, Germany
2Institut für Kernphysik, Technische Hochschule Darmstadt, D-64289 Darmstadt, Germany
3National Superconducting Cyclotron Laboratory and Department of Astronomy and Physics, Michigan State University, East Lansing, Michigan 48824

Received 26 February 1997

The 19F(α,2He)21F reaction was investigated at 55 MeV incident energy. The transferred angular momenta of prominent transitions excited were determined from a distorted wave Born analysis of the angular distributions. Tentative spin assignments for the observed levels are extracted from shell-model calculations with the “unified” sd-space interaction based on the very good reproduction of the excitation energies and the predicted large two-neutron transfer spectroscopic factors.


©1997 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevC.56.547
DOI: 10.1103/PhysRevC.56.547
PACS: 25.55.Hp, 27.30.+t, 21.60.Cs, 24.10.Ht

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