Chinese Physics C > 2006, Vol. 30 > Issue(2): 108-112

Non-Reproducibility of the Cross Sections of the Products Induced from Dissipative Reaction of¹⁷F+²⁷Al

Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China2 Graduate University of Chinese Academy of Sciences, Beijing 100049, China3 China Institute of Atomic Energy, Beijing 102413, China4 Centro de Ciencias Fisicas, Campus Morelos UNAM, Cuernavaca, Morales, Mexico5 Nonlinear Physics Group and Department of Theoretical Physics, RSPhysSE, ANU, Canberra, ACT 0200, Australia

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Abstract：
The differential cross sections of the dissipative products B, C, N, O, F, Ne, Na and Mg induced from the reactions of ¹⁹F+ ²⁷Al at two incident energies have been measured at the HI-13 tandem accelerator, Beijing. In the case of a fixed beam incident energy 114MeV or 118.75MeV respectively, identical reaction system and the same detection system, 20 target points in steps of 2mm on a 10mm×50mm rectangular Al foil have been bombarded. The experimental results indicate that the probability distribution of the cross sections is much wider than a standard Gaussian distribution. This non-reproducibility of the cross sections can't be interpreted by the statistical property of a finite count rate.

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HAN Jian-Long, WANG Qi, DONG Yu-Chuan, LI Song-Lin, DUAN Li-Min, WU He-Yu, XU Hua-Gen, CHEN Ruo-Fu, XU Hu-Shan, BAI Zhen, LI Zhi-Chang, LU Xiu-Qin, ZHAO Kui, Non-Reproducibility of the Cross Sections of the Products Induced from Dissipative Reaction of ¹⁷F+ ²⁷Al[J]. Chinese Physics C, 2006, 30(2): 108-112.

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Received: 2005-03-31
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

Non-Reproducibility of the Cross Sections of the Products Induced from Dissipative Reaction of¹⁷F+²⁷Al

Corresponding author:WANG Qi,

Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China2 Graduate University of Chinese Academy of Sciences, Beijing 100049, China3 China Institute of Atomic Energy, Beijing 102413, China4 Centro de Ciencias Fisicas, Campus Morelos UNAM, Cuernavaca, Morales, Mexico5 Nonlinear Physics Group and Department of Theoretical Physics, RSPhysSE, ANU, Canberra, ACT 0200, Australia

Received Date:2005-03-31
Accepted Date:1900-01-01
Available Online:2006-02-05

Abstract:The differential cross sections of the dissipative products B, C, N, O, F, Ne, Na and Mg induced from the reactions of¹⁹F+²⁷Al at two incident energies have been measured at the HI-13 tandem accelerator, Beijing. In the case of a fixed beam incident energy 114MeV or 118.75MeV respectively, identical reaction system and the same detection system, 20 target points in steps of 2mm on a 10mm×50mm rectangular Al foil have been bombarded. The experimental results indicate that the probability distribution of the cross sections is much wider than a standard Gaussian distribution. This non-reproducibility of the cross sections can't be interpreted by the statistical property of a finite count rate.