Research on High Spin States of 68Ge,65Ga and 67Ga

Zhu Shengjiang; J. H. Hamilton; A. V. Ramayya; L. Chaturvedi; J. Kormicki; X. W. Zhao; I. Y. Lee; N. R. Johnson; C. Backtach; F. K. McGowan; M. L. Halbert; J. D. Cole

Chinese Physics C> 1992, Vol. 16> Issue(S2) : 211-217

Research on High Spin States of ⁶⁸Ge,⁶⁵Ga and ⁶⁷Ga

1 Department of Physics, Tsinghua University, Beijing, China;
2 Physics Department, Vanderbilt University, Nashville, TN 37235, U. S. A;
3 Oak Ridge National Laboratory, Oak Ridge, TN 37831, U. S. A;
4 INEL, Idaho Falls, ID 83415, USA

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The high spin states of ⁶⁸Ge,⁶⁵Ga and ⁶⁷Ga are studied in the in-beam gamma-ray spectroscopy experiment. The reaction ⁴⁶Ti (²⁵Mg, xpxn) with the beam energy of 68 MeV is used. In ⁶⁸Ge, the multiplicity of band structures, crossing transitions among bands and a new band with possible big deformation are observed. The experimental results agree with the calculated result in the new microscopic model (EXCITED FED VAJVIPIR). In ⁶⁵Ga and ⁶⁷Ga, some band structures with strong collectivity are observed and the new level schemes are given.

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Zhu Shengjiang, J. H. Hamilton, A. V. Ramayya, L. Chaturvedi, J. Kormicki, X. W. Zhao, I. Y. Lee, N. R. Johnson, C. Backtach, F. K. McGowan, M. L. Halbert and J. D. Cole. Research on High Spin States of ⁶⁸Ge,⁶⁵Ga and ⁶⁷Ga[J]. Chinese Physics C, 1992, 16(S2): 211-217.

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Received: 1991-06-30

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Supported by the U.S. Department of Energy under Grant and the National Natural Foundation of China.

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

Research on High Spin States of ⁶⁸Ge,⁶⁵Ga and ⁶⁷Ga

1 Department of Physics, Tsinghua University, Beijing, China;
2 Physics Department, Vanderbilt University, Nashville, TN 37235, U. S. A;
3 Oak Ridge National Laboratory, Oak Ridge, TN 37831, U. S. A;
4 INEL, Idaho Falls, ID 83415, USA

Received Date: 1991-06-30

Fund Project: Supported by the U.S. Department of Energy under Grant and the National Natural Foundation of China.

Abstract: The high spin states of ⁶⁸Ge,⁶⁵Ga and ⁶⁷Ga are studied in the in-beam gamma-ray spectroscopy experiment. The reaction ⁴⁶Ti (²⁵Mg, xpxn) with the beam energy of 68 MeV is used. In ⁶⁸Ge, the multiplicity of band structures, crossing transitions among bands and a new band with possible big deformation are observed. The experimental results agree with the calculated result in the new microscopic model (EXCITED FED VAJVIPIR). In ⁶⁵Ga and ⁶⁷Ga, some band structures with strong collectivity are observed and the new level schemes are given.