Relative Population of States and Extraction of Emission Temperature in 25 MeV/u 40Ar+197Au

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Duan Limin, Li Zuyu, Jin Genming, He Zhiyong, Luo Qingzheng, Wu Heyu, Zhang Baoguo, Qi Yujin, Wen Wanxin, Dang Bingrong and Dai Guangxi. Relative Population of States and Extraction of Emission Temperature in 25 MeV/u 40Ar+197Au[J]. Chinese Physics C, 1995, 19(S3): 215-220.
Duan Limin, Li Zuyu, Jin Genming, He Zhiyong, Luo Qingzheng, Wu Heyu, Zhang Baoguo, Qi Yujin, Wen Wanxin, Dang Bingrong and Dai Guangxi. Relative Population of States and Extraction of Emission Temperature in 25 MeV/u 40Ar+197Au[J]. Chinese Physics C, 1995, 19(S3): 215-220. shu
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Received: 1994-04-18
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    Supported by the National Natural Science Foundation of China.

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Relative Population of States and Extraction of Emission Temperature in 25 MeV/u 40Ar+197Au

  • Institute of Modern Physics, The Chinese Academy of Sciences, Lanzhou, China
Fund Project:  Supported by the National Natural Science Foundation of China.

Abstract: Two-particle correlations at small relative momenta have been measured for 40Ar induced reactions on 97Au at E/A=25 MeV. The relative populations of states of 4He and 8Be were extracted from p-t and α-α correlation functions, respectively. The temperature of T=3.5±0.81.3 MeV was obtained from relative populations of 8Be states by correcting sequential decay carefully, and the temperature of T=3.6±0.4 MeV was deduced by modifying the sequential decay yield with 30% on 4Heg.s. ground state.

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