Chin. Phys. Lett.  2003, Vol. 20 Issue (5): 632-634    DOI:
Original Articles |
Excited States in 207Rn
LUO Wan-Ju1;GUO Ying-Xiang1;ZHOU Xiao-Hong1;ZHANG Yu-Hu1;LEI Xiang-Guo1;LIU Zhong1;ZHENG Yong1;LIU Min-Liang1;HE Jian-Jun1;ZHU Li-Hua2;WEN Shu-Xian2
1Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000 2China Institute of Atomic Energy, Beijing 102413
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LUO Wan-Ju, GUO Ying-Xiang, ZHOU Xiao-Hong et al  2003 Chin. Phys. Lett. 20 632-634
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Abstract Excited states in 207Rn are investigated via the 196Pt(16O,Sn)207Rn reaction at beam energies from 85 to 95 MeV using techniques of in-beam γ-ray spectroscopy. Measurements of γ-ray excitation function, x-γ and γ-γ-t coincidences are performed with ten BGO(AC)HPGe detectors. Based on these measurements, a level scheme of 207Rn, including 17 γ-rays and 18 levles, is established. Spins for most of the levels are proposed according to the measured DCO ratios. The level structure is compared with a weak-coupling calculation using the interaction energies extracted from neighbouring nuclei.
Keywords: 21.10.-k      23.20.Lv      27.80.+w     
Published: 01 May 2003
PACS:  21.10.-k (Properties of nuclei; nuclear energy levels)  
  23.20.Lv (γ-transitions and level energies)  
  27.80.+w (190 ≤ A ≤ 219)  
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LUO Wan-Ju
GUO Ying-Xiang
ZHOU Xiao-Hong
ZHANG Yu-Hu
LEI Xiang-Guo
LIU Zhong
ZHENG Yong
LIU Min-Liang
HE Jian-Jun
ZHU Li-Hua
WEN Shu-Xian
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