High spin states of Zr86

E. K. Warburton, C. J. Lister, J. W. Olness, P. E. Haustein, S. K. Saha, D. E. Alburger, J. A. Becker, R. A. Dewberry, and R. A. Naumann
Phys. Rev. C 31, 1211 – Published 1 April 1985
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Abstract

The level scheme of Zr86 was studied by in-beam measurements on γ transitions in the Ni60(29Si,2pnγ)86Zr reaction and by helium-jet studies of delayed γ-ray activity from the Ni58(32S,3pn)86Nb(β +/EC)86Zr reaction. In the latter study, measurements consisted of γ-γ and β-γ coincidences, excitation functions, and a lifetime determination. An Nb86 decay scheme was obtained which suggests Jπ=5+ for the Nb86 ground state. The in-beam study consisted of γ-γ coincidences, excitation functions, angular distributions, and lifetime measurements via both Doppler shift attenuation and recoil distance methods. The high-spin decay scheme and level lifetimes obtained from the in-beam studies suggest intrinsic modes of excitation rather than the collective behavior seen in Zr84.

  • Received 15 November 1984

DOI:https://doi.org/10.1103/PhysRevC.31.1211

©1985 American Physical Society

Authors & Affiliations

E. K. Warburton, C. J. Lister, J. W. Olness, P. E. Haustein, S. K. Saha, and D. E. Alburger

  • Brookhaven National Laboratory, Upton, New York 11973

J. A. Becker

  • Lawrence Livermore Laboratory, Livermore, California 94550

R. A. Dewberry and R. A. Naumann

  • Departments of Physics and Chemistry, Princeton University, Princeton, New Jersey 08540

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Vol. 31, Iss. 4 — April 1985

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