Experimental Study on High Spin States of <SUP>156</SUP>Tm

LIU Ying; LI Ming-Fei; ZHU Li-Hua; WANG Zhi-Min; WU Xiao-Guang; CUI Xing-Zhu; HE Chuang-Ye; ZHANG Zhen-Long; MENG Rui; MA Rui-Gang; LI Guang-Sheng; WEN Shu-Xian

Chinese Physics C> 2004, Vol. 28> Issue(S1) : 31-33

Experimental Study on High Spin States of ¹⁵⁶Tm

China Institute of Atomic Energy, Beijing 102413, China2 Physics Department of Northeast Normal University, Changchun 130024, China3 Physics Department of Jilin University, Changchun 130023, China

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Abstract：
The high spin states of ¹⁵⁶Tm were populated using fusion evaporation ¹⁴²Nd(¹⁹F,5n)¹⁵⁶Tm reaction at beam energy of 122.5MeV.The γ-γ coincidence and DCO ratios were measured with 13 HPGe-BGO detectors. A level scheme with 29 levels and 33 γ-transitions was proposed. About 18 levels and 20 γ-transitions were added to the previous work. The energy levels were extended is up to 34^－.

References

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LIU Ying, LI Ming-Fei, ZHU Li-Hua, WANG Zhi-Min, WU Xiao-Guang, CUI Xing-Zhu, HE Chuang-Ye, ZHANG Zhen-Long, MENG Rui, MA Rui-Gang, LI Guang-Sheng, WEN Shu-Xian, Experimental Study on High Spin States of ¹⁵⁶Tm[J]. Chinese Physics C, 2004, 28(S1): 31-33.

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Received: 2004-12-30
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Experimental Study on High Spin States of ¹⁵⁶Tm

Corresponding author: ZHU Li-Hua,

China Institute of Atomic Energy, Beijing 102413, China2 Physics Department of Northeast Normal University, Changchun 130024, China3 Physics Department of Jilin University, Changchun 130023, China

Received Date: 2004-12-30
Accepted Date: 1900-01-01
Available Online: 2004-04-02

Abstract: The high spin states of ¹⁵⁶Tm were populated using fusion evaporation ¹⁴²Nd(¹⁹F,5n)¹⁵⁶Tm reaction at beam energy of 122.5MeV.The γ-γ coincidence and DCO ratios were measured with 13 HPGe-BGO detectors. A level scheme with 29 levels and 33 γ-transitions was proposed. About 18 levels and 20 γ-transitions were added to the previous work. The energy levels were extended is up to 34^－.