Collective Bands in Neutron-Rich <SUP>107</SUP>Ru Nucleus

ZHU Sheng-Jiang; XU Rui-Qing; ZHANG Zheng; JIANG Zhuo; GAN Cui-Yun

Chinese Physics C> 2002, Vol. 26> Issue(8) : 791-796

Collective Bands in Neutron-Rich ¹⁰⁷Ru Nucleus

Department of Physics,Tsinghua University,Beijing 100084,China2 Department of Physics,Vanderbilt University,Nashville,TN 37235,USA3 Lawrence Berkeley National Laboratory,Berkeley,CA 94720,USA4 Department of Physics,Mississippi State University,MS 39762,USA

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Abstract：
Through measuring prompt γ-rays emitted in the spontaneous fission of ²⁵²Cf with higher statistic data,level structures in the neutron rich,odd A¹⁰⁷Ru nucleus have been re investigated. New level scheme of ¹⁰⁷Ru has been established. The ground state band was extended with spin up to 27 2h. The νh_11/2 band structure observed in our previous publication has been confirmed and extended. These results clear up the inconsistence between our earlier work and results from another experiment published recently. A collective band built on (9/2^－) level has been observed for the first time. Some important features of the level scheme have been discussed.

References

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ZHU Sheng-Jiang, XU Rui-Qing, ZHANG Zheng, JIANG Zhuo and GAN Cui-Yun. Collective Bands in Neutron-Rich ¹⁰⁷Ru Nucleus[J]. Chinese Physics C, 2002, 26(8): 791-796.

ZHU Sheng-Jiang, XU Rui-Qing, ZHANG Zheng, JIANG Zhuo and GAN Cui-Yun. Collective Bands in Neutron-Rich ¹⁰⁷Ru Nucleus[J]. Chinese Physics C, 2002, 26(8): 791-796. shu

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Received: 2001-10-23
Revised: 1900-01-01

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Collective Bands in Neutron-Rich ¹⁰⁷Ru Nucleus

Corresponding author: ZHU Sheng-Jiang,

Department of Physics,Tsinghua University,Beijing 100084,China2 Department of Physics,Vanderbilt University,Nashville,TN 37235,USA3 Lawrence Berkeley National Laboratory,Berkeley,CA 94720,USA4 Department of Physics,Mississippi State University,MS 39762,USA

Received Date: 2001-10-23

Accepted Date: 1900-01-01

Available Online: 2002-08-05

Abstract: Through measuring prompt γ-rays emitted in the spontaneous fission of ²⁵²Cf with higher statistic data,level structures in the neutron rich,odd A¹⁰⁷Ru nucleus have been re investigated. New level scheme of ¹⁰⁷Ru has been established. The ground state band was extended with spin up to 27 2h. The νh_11/2 band structure observed in our previous publication has been confirmed and extended. These results clear up the inconsistence between our earlier work and results from another experiment published recently. A collective band built on (9/2^－) level has been observed for the first time. Some important features of the level scheme have been discussed.

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Collective Bands in Neutron-Rich 107Ru Nucleus

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Collective Bands in Neutron-Rich ¹⁰⁷Ru Nucleus