Observation of excited states in the near-drip-line nucleus 125Pr

A. N. Wilson, D. R. LaFosse, J. F. Smith, C. J. Chiara, A. J. Boston, M. P. Carpenter, H. J. Chantler, R. Charity, P. T.W. Choy, M. Devlin, A. M. Fletcher, D. B. Fossan, R. V.F. Janssens, D. G. Jenkins, N. S. Kelsall, F. G. Kondev, T. Koike, E. S. Paul, D. G. Sarantites, D. SeweryniakK. Starosta, R. Wadsworth

研究成果: ジャーナルへの寄稿学術論文査読

9 被引用数 (Scopus)

抄録

High-spin states have been observed in the near-drip-line nucleus 125Pr following the reaction 64Zn(64Zn, p2n). The detection of charged particles and neutrons evaporated from the compound system, along with the M/q of the recoiling nucleus, have allowed the identification of excited states in 125Pr and the unambiguous assignment of five rotational structures to this nucleus. This is the most neutron-deficient Pr isotope in which excited states have been observed. The strongest band is identified as the h11/2 single-quasiproton configuration, and is observed to a maximum spin of I = (67/2hℏ). Another structure is interpreted as the g9/2 proton hole state, which is associated with bands of enhanced deformation observed in several nuclei in this mass region. These two bands are compared with analogous bands in the heavier odd-A Pr isotopes and changes in deformation are discussed.

本文言語英語
論文番号021305
ページ(範囲)213051-213055
ページ数5
ジャーナルPhysical Review C - Nuclear Physics
66
2
DOI
出版ステータス出版済み - 2002 8月 1

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