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Abstract
High spin states in odd-odd 98Tc nuclei are studied by in-beam γ-ray spectroscopy with the 96Zr(6Li, 4n) fusion-evaporation reaction at a beam energy of 35 MeV. The previous level scheme is updated. A band based on 1090.7 keV is expanded, and another band based on 1920.6 keV is newly identified. The observed two negative parity bands in 98Tc are proposed to be a pair of chiral doublet bands with the configuration πg9/2 νh11/2. The evidence supporting the assignment of the chiral doublet bands is discussed. Signature splitting and signature inversion are observed in the πg9/2ν h11/2 band in 98Tc.
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DING Huai-Bo, ZHU Sheng-Jiang, WANG Jian-Guo, GU Long, XU Qiang, XIAO Zhi-Gang, YEOHA Eing-Yee, ZHANG Ming, ZHU Li-Hua, WU Xiao-Guang, LIU Ying, HE Chuang-Ye, WANG Lie-Lin, PAN Bo, LI Guang-Sheng. Proposed Chiral Doublet Bands in
98Tc[J].
Chin. Phys. Lett., 2010, 27(7): 072501.
DOI: 10.1088/0256-307X/27/7/072501
DING Huai-Bo, ZHU Sheng-Jiang, WANG Jian-Guo, GU Long, XU Qiang, XIAO Zhi-Gang, YEOHA Eing-Yee, ZHANG Ming, ZHU Li-Hua, WU Xiao-Guang, LIU Ying, HE Chuang-Ye, WANG Lie-Lin, PAN Bo, LI Guang-Sheng. Proposed Chiral Doublet Bands in 98Tc[J]. Chin. Phys. Lett., 2010, 27(7): 072501. DOI: 10.1088/0256-307X/27/7/072501
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DING Huai-Bo, ZHU Sheng-Jiang, WANG Jian-Guo, GU Long, XU Qiang, XIAO Zhi-Gang, YEOHA Eing-Yee, ZHANG Ming, ZHU Li-Hua, WU Xiao-Guang, LIU Ying, HE Chuang-Ye, WANG Lie-Lin, PAN Bo, LI Guang-Sheng. Proposed Chiral Doublet Bands in 98Tc[J]. Chin. Phys. Lett., 2010, 27(7): 072501. DOI: 10.1088/0256-307X/27/7/072501
DING Huai-Bo, ZHU Sheng-Jiang, WANG Jian-Guo, GU Long, XU Qiang, XIAO Zhi-Gang, YEOHA Eing-Yee, ZHANG Ming, ZHU Li-Hua, WU Xiao-Guang, LIU Ying, HE Chuang-Ye, WANG Lie-Lin, PAN Bo, LI Guang-Sheng. Proposed Chiral Doublet Bands in 98Tc[J]. Chin. Phys. Lett., 2010, 27(7): 072501. DOI: 10.1088/0256-307X/27/7/072501
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