Gamma Vibrational Bands and Chiral Doublet Bands in A&asymp;100 Neutronrich Nuclei

ZHU Sheng-jiang; DING Huai-bo; J.H.Hamilton; A.V.Ramayya; CHE Xing-lai; et al.

doi:10.11804/NuclPhysRev.26.S1.064

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Volume 26 Issue S1

May 2020

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Article Navigation > Nuclear Physics Review > 2009 > 26(5): 64-69

ZHU Sheng-jiang, DING Huai-bo, J.H.Hamilton, A.V.Ramayya, CHE Xing-lai, et al.. Gamma Vibrational Bands and Chiral Doublet Bands in A≈100 Neutronrich Nuclei[J]. Nuclear Physics Review, 2009, 26(5): 64-69. doi: 10.11804/NuclPhysRev.26.S1.064

Citation:

ZHU Sheng-jiang, DING Huai-bo, J.H.Hamilton, A.V.Ramayya, CHE Xing-lai, et al.. Gamma Vibrational Bands and Chiral Doublet Bands in A≈100 Neutronrich Nuclei[J]. Nuclear Physics Review, 2009, 26(5): 64-69. doi: 10.11804/NuclPhysRev.26.S1.064

Gamma Vibrational Bands and Chiral Doublet Bands in A≈100 Neutronrich Nuclei

doi: 10.11804/NuclPhysRev.26.S1.064

1 Department of Physics, Tsinghua University, Beijing 100084, China; 2 Department of Physics, Vanderbilt University, Nashville, TN 37235, USA; 3 Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA; 4 Physics Department, Notre Dame University, Notre Dame, IN 46556, USA

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2020-05-11

Abstract

The level structures of neutronrich 105Mo, 106Mo, 108Mo and 110Ru nuclei in A ≈ 100 region have been carefully investigated by coincidence measurements of the prompt γrays populated in the spontaneous fission of 252Cf with the Gammasphere detector array. In 105Mo, onephonon K=9/2 and twophonon K=13/2 γvibrational bands have been identified. In 108Mo, onephonon γvibrational band is expanded and twophonon γvibrational band has been identified. Two similar sets of bands in 106Mo and 110Ru are observed to high spins, which have been proposed as the soft chiral γvibrational bands. The characteristics for these γvibrational bands and chiral doublet bands have been discussed.
- high spin state,
- neutronrich nucleus,
- &gamma,
- vibrational band,
- chiral doublet band
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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

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Gamma Vibrational Bands and Chiral Doublet Bands in A≈100 Neutronrich Nuclei

doi: 10.11804/NuclPhysRev.26.S1.064

1 Department of Physics, Tsinghua University, Beijing 100084, China; 2 Department of Physics, Vanderbilt University, Nashville, TN 37235, USA; 3 Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA; 4 Physics Department, Notre Dame University, Notre Dame, IN 46556, USA

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2020-05-11

Key words:

Abstract: The level structures of neutronrich 105Mo, 106Mo, 108Mo and 110Ru nuclei in A ≈ 100 region have been carefully investigated by coincidence measurements of the prompt γrays populated in the spontaneous fission of 252Cf with the Gammasphere detector array. In 105Mo, onephonon K=9/2 and twophonon K=13/2 γvibrational bands have been identified. In 108Mo, onephonon γvibrational band is expanded and twophonon γvibrational band has been identified. Two similar sets of bands in 106Mo and 110Ru are observed to high spins, which have been proposed as the soft chiral γvibrational bands. The characteristics for these γvibrational bands and chiral doublet bands have been discussed.

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