High-spin excitations in <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msup><mrow></mrow><mrow><mn>1</mn><mn>5</mn><mn>8</mn><mo>,</mo><mn>1</mn><mn>5</mn><mn>9</mn><mo>,</mo><mn>1</mn><mn>6</mn><mn>0</mn></mrow></msup></mrow><mi mathvariant="normal">Hf</mi></math></span> from recoil-decay tagging

K. Y. Ding; J. A. Cizewski; D. Seweryniak; H. Amro; M. P. Carpenter; C. N. Davids; N. Fotiades; R. V. F. Janssens; T. Lauritsen; C. J. Lister; D. Nisius; P. Reiter; J. Uusitalo; I. Wiedenhöver; A. O. Macchiavelli

doi:10.1103/PhysRevC.62.034316

High-spin excitations in $^{158, 159, 160} Hf$ from recoil-decay tagging

K. Y. Ding, J. A. Cizewski, D. Seweryniak, H. Amro, M. P. Carpenter, C. N. Davids, N. Fotiades, R. V. F. Janssens, T. Lauritsen, C. J. Lister, D. Nisius, P. Reiter, J. Uusitalo, I. Wiedenhöver, and A. O. Macchiavelli

Phys. Rev. C 62, 034316 – Published 21 August 2000

Abstract

The 270-MeV $^{58} Ni +^{A} Pd$ reaction was used for the first recoil-decay tagging measurement with Gammasphere coupled to the Fragment Mass Analyzer at Argonne National Laboratory. Level structures of $^{158} Hf$ and $^{159} Hf$ are identified for the first time, and that of $^{160} Hf$ is extended. The systematical behavior of the energy levels in neighboring isotones and isotopes, as well as the aligned angular momenta as a function of rotational frequency, are examined.

Received 18 May 2000

DOI:https://doi.org/10.1103/PhysRevC.62.034316

Authors & Affiliations

K. Y. Ding^1,*, J. A. Cizewski¹, D. Seweryniak², H. Amro^2,†, M. P. Carpenter², C. N. Davids², N. Fotiades^1,‡, R. V. F. Janssens², T. Lauritsen², C. J. Lister², D. Nisius^2,§, P. Reiter^2,∥, J. Uusitalo^2,¶, I. Wiedenhöver², and A. O. Macchiavelli³

¹Department of Physics and Astronomy, Rutgers University, New Brunswick, New Jersey 08903
²Argonne National Laboratory, Argonne, Illinois 60439
³Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720

^*Present address: Telcordia Technologies, Piscataway, NJ 08854.
^†Present address: Mississippi State University, Mississippi St., MS 39762.
^‡Present address: Los Alamos National Laboratory, Los Alamos, NM 87545.
^§Present address: Bio-Imaging Research, Lincolnshire, IL 60069.
^∥Present address: Ludwig Maximilian Universität München, Garching, Germany.
^¶Present address: University of Jyväskylä, 40351 Jyväskylä, Finland.

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Vol. 62, Iss. 3 — September 2000

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