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Chinese Physics, 2005, Vol. 14(3): 487-493    DOI: 10.1088/1009-1963/14/3/010
NUCLEAR PHYSICS Prev   Next  

A study on the decay of 72As

Li Yan (李燕), Shen Shui-Fa (沈水法), Gu Jia-Hui (顾嘉辉), Shi Shuang-Hui (石双惠), Liu Jing-Yi (刘静怡)
Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
Abstract  The excited states of the 72Ge nucleus were investigated in radioactive decay of 72As. Three new transitions with 1996.58, 2125.59 and 2255.49keV have been found for the first time. One $\gamma$-ray with 912.09keV has been placed in the decay scheme for the first time, and the placement of 1938.88, 2116.79, 2785.59, 2833.03, 2950.69 and 3338.00keV $\gamma$-rays are confirmed again in the present work. One new level at 2027.72keV excitation energy is proposed. The level scheme was established and for a number of levels spin-parity assignments are suggested on the basis of logft values and $\gamma$-branching ratios.
Keywords:  decay      $\gamma$-ray      level      coincidence  
Received:  14 June 2004      Revised:  04 August 2004      Accepted manuscript online: 
PACS:  23.20.Lv (γ-transitions and level energies)  
  21.10.Hw (Spin, parity, and isobaric spin)  
  23.20.Nx (Internal conversion and extranuclear effects (including Auger electrons and internal bremsstrahlung))  
Fund: Project supported by the Major State Basic Research Development Programme of China (Grant No TG2000077404), the National Natural Science Foundation of China (Grant No 10405031), and the National Natural Science Foundation of China (Grant No 10475026).

Cite this article: 

Li Yan (李燕), Shen Shui-Fa (沈水法), Gu Jia-Hui (顾嘉辉), Shi Shuang-Hui (石双惠), Liu Jing-Yi (刘静怡) A study on the decay of 72As 2005 Chinese Physics 14 487

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