High-Spin Level Scheme of Odd-odd <SUP>142</SUP>Pm

LIU Min-Liang; ZHANG Yu-Hu; ZHOU Xiao-Hong; HE Jian-Jun; GUO Ying-Xiang; LEI Xiang-Guo; HUANG Wen-Xue; LIU Zhong; LUO Yi-Xiao; FENG Xi-Chen; ZHANG Shuang-Quan; XU Xiao

Chinese Physics C> 2002, Vol. 26> Issue(4) : 354-358

High-Spin Level Scheme of Odd-odd ¹⁴²Pm

Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China2 China Institute of Atomic Energy, Beijing 102413, China

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Abstract：
The level structure of doubly odd nucleus ¹⁴²Pm has been studied via the ¹²⁸Te(¹⁹F,5nγ)¹⁴²Pm reaction in the energy region from 75 to 95MeV. In-beam γ rays were measureed including the excited function, γ-ray singles and γ-γ coincidences in experiment. The level scheme of ¹⁴²Pm has been extended up to excitation energy of 7030.0keV including 25 new γ rays and 13 new levels. Based on the measured γ-ray anisotropies, the level spins in ¹⁴²Pm have been suggested.

References

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Funke L, Fromm W D, Keller H J et al. Nucl. Phys., 1976, A274: 61-842 Rhattacharya S, Chanda S et al. Phys. Rev., 1998, C58: 2998-30013 Piiparinen M, Atac A, Blonqvist J et al. Nucl. Phys., 1996, A605: 191-2684 Gulmez E, Drigert M W et al. Phys. Rev,. 1989, C39: 1809-18175 Aryaeinejad R, Walker P M et al. Phys. Rev., 1985. C32: 1855-18686 HE J J, ZHANG Y H, ZHOU X H et al. Eur. Phys. J. 2000, A9: 157-1607 De Angelis G, Lunardi S, Bazzacco D et al. Z., Phys., 1993, A347: 93-988 Sferrazza M. Cardona M A, Razzacco D et al. Z,. Phys., 1996. A354: 157-1629 Collatz R, Amzal N et al. Z. Phys., 1997, A359: 113-114

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LIU Min-Liang, ZHANG Yu-Hu, ZHOU Xiao-Hong, HE Jian-Jun, GUO Ying-Xiang, LEI Xiang-Guo, HUANG Wen-Xue, LIU Zhong, LUO Yi-Xiao, FENG Xi-Chen, ZHANG Shuang-Quan, XU Xiao, High-Spin Level Scheme of Odd-odd ¹⁴²Pm[J]. Chinese Physics C, 2002, 26(4): 354-358.

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Received: 2001-06-26
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

High-Spin Level Scheme of Odd-odd ¹⁴²Pm

Corresponding author: LIU Min-Liang,

Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China2 China Institute of Atomic Energy, Beijing 102413, China

Received Date: 2001-06-26

Accepted Date: 1900-01-01

Available Online: 2002-04-05

Abstract: The level structure of doubly odd nucleus ¹⁴²Pm has been studied via the ¹²⁸Te(¹⁹F,5nγ)¹⁴²Pm reaction in the energy region from 75 to 95MeV. In-beam γ rays were measureed including the excited function, γ-ray singles and γ-γ coincidences in experiment. The level scheme of ¹⁴²Pm has been extended up to excitation energy of 7030.0keV including 25 new γ rays and 13 new levels. Based on the measured γ-ray anisotropies, the level spins in ¹⁴²Pm have been suggested.

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High-Spin Level Scheme of Odd-odd ¹⁴²Pm

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High-Spin Level Scheme of Odd-odd 142Pm

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High-Spin Level Scheme of Odd-odd 142Pm

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High-Spin Level Scheme of Odd-odd ¹⁴²Pm

High-Spin Level Scheme of Odd-odd ¹⁴²Pm