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Low-lying levels in F15 and the shell model potential for drip-line nuclei

V. Z. Goldberg, G. G. Chubarian, G. Tabacaru, L. Trache, R. E. Tribble, A. Aprahamian, G. V. Rogachev, B. B. Skorodumov, and X. D. Tang
Phys. Rev. C 69, 031302(R) – Published 17 March 2004

Abstract

The ground and first excited states in F15 were studied in resonant elastic scattering using the thick (CH4) gas target method in inverse kinematics with a separated O14 beam. An analysis of the excitation functions of the elastic scattering was carried out with the potential model. The quantum numbers 12+ (ground state) and 52+ (first excited state) were assigned to the lowest two states in F15. Also, the widths and the proton decay energies of the unbound levels were obtained. The analysis of the data indicates that a large diffuseness is needed in the Woods-Saxon potential in order to describe single-particle features in drip-line nuclei.

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  • Received 12 December 2003

DOI:https://doi.org/10.1103/PhysRevC.69.031302

©2004 American Physical Society

Authors & Affiliations

V. Z. Goldberg*, G. G. Chubarian, G. Tabacaru, L. Trache, and R. E. Tribble

  • Texas A&M University, Cyclotron Institute, College Station, Texas 77843-3366, USA

A. Aprahamian, G. V. Rogachev, and B. B. Skorodumov

  • University of Notre Dame, Notre Dame, Indiana 46556, USA

X. D. Tang

  • Argonne National Laboratory, Argonne, Indiana 60439, USA

  • *Electronic address: goldberg@comp.tamu.edu

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Vol. 69, Iss. 3 — March 2004

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