Chinese Physics C > 2003, Vol. 27 > Issue(8): 688-691

Identification of Collective Bands in Neutron-Rich¹¹³Ru Nucleus

Department of Physics, Tsinghua University, Beijing 100084, China2 Department of Physics, Vanderbilt University, Nashville, TN37235, USA3 Lawrence Berkeley National Laboratory, Berkeley, CA94720, USA4 Department of Physics, Mississippi State University, MS39762, USA

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Through measuring high-fold prompt γ- ray coincidence events following the spontaneous fission of 252 Cf with the Gammasphere detector array, new level scheme in the very neutron-rich odd-A 113Ru nucleus has been established. An intruder collective band based on 11/2 ^－level has been identified with spin up to 31/2 k and excitation energy 3.6 MeV. This band most probably originates from vh _11/2. intruder orbital. Another collective band probably built on 9/2 ^－level is also observed. Some important characteristics of the collective bands have been systematically discussed.

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ZHANG Zheng, ZHU Sheng-Jiang, XU Rui-Qing, JIANG Zhuo and XIAO Shu-Dong. Identification of Collective Bands in Neutron-Rich ¹¹³Ru Nucleus[J]. Chinese Physics C, 2003, 27(8): 688-691.

ZHANG Zheng, ZHU Sheng-Jiang, XU Rui-Qing, JIANG Zhuo and XIAO Shu-Dong. Identification of Collective Bands in Neutron-Rich ¹¹³Ru Nucleus[J]. Chinese Physics C, 2003, 27(8): 688-691. shu

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Received: 2002-11-19
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

Identification of Collective Bands in Neutron-Rich¹¹³Ru Nucleus

Corresponding author:ZHU Sheng-Jiang,

Department of Physics, Tsinghua University, Beijing 100084, China2 Department of Physics, Vanderbilt University, Nashville, TN37235, USA3 Lawrence Berkeley National Laboratory, Berkeley, CA94720, USA4 Department of Physics, Mississippi State University, MS39762, USA

Received Date:2002-11-19

Accepted Date:1900-01-01

Available Online:2003-08-05

Abstract:Through measuring high-fold prompt γ- ray coincidence events following the spontaneous fission of 252 Cf with the Gammasphere detector array, new level scheme in the very neutron-rich odd-A 113Ru nucleus has been established. An intruder collective band based on 11/2^－level has been identified with spin up to 31/2 k and excitation energy 3.6 MeV. This band most probably originates from vh_11/2. intruder orbital. Another collective band probably built on 9/2^－level is also observed. Some important characteristics of the collective bands have been systematically discussed.

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Identification of Collective Bands in Neutron-Rich¹¹³Ru Nucleus

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通讯作者:陈斌, bchen63@163.com

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