Chinese Physics C > 2005, Vol. 29 > Issue(2): 197-200

Identification Model of Space Heavy Ions by CR-39

Institutte of Modern Physics,Chinese Academy of Sciences,Lanzhou 730000,China2 South China University of Agriculture,Guangzhou 510642,China

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Abstract：
A mathematical model LET = cZdRb for identifying space heavy ions is established based on energy loss rate of the heavy ions in CR-39. Coefficients of the model are acquired through correlative curves between linear energy transfer and residual range. Another relation VT = A ∙(REL) E<350B between etched rate of CR-39 and restricted linear energy transfer of the ions, which is experimentally found, is used to connect the mathematical model for getting an equation R = A0.0455 Z3.18VT-1. Finally, an identification formula Z3.18=64541.08+2.53 (dR/dVT-1) is obtained by means of calibration experiments.

References

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WEI Zeng-Quan, XIE Hong-Mei, MEI Man-Tong and ZHUANG Chu-Xiong. Identification Model of Space Heavy Ions by CR-39[J]. Chinese Physics C, 2005, 29(2): 197-200.

WEI Zeng-Quan, XIE Hong-Mei, MEI Man-Tong and ZHUANG Chu-Xiong. Identification Model of Space Heavy Ions by CR-39[J]. Chinese Physics C, 2005, 29(2): 197-200. shu

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Received: 2004-06-24
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

Identification Model of Space Heavy Ions by CR-39

Corresponding author:WEI Zeng-Quan,

Institutte of Modern Physics,Chinese Academy of Sciences,Lanzhou 730000,China2 South China University of Agriculture,Guangzhou 510642,China

Received Date:2004-06-24
Accepted Date:1900-01-01
Available Online:2005-02-05

Abstract:A mathematical model LET = cZdRb for identifying space heavy ions is established based on energy loss rate of the heavy ions in CR-39. Coefficients of the model are acquired through correlative curves between linear energy transfer and residual range. Another relation VT = A∙(REL) E<350B between etched rate of CR-39 and restricted linear energy transfer of the ions, which is experimentally found, is used to connect the mathematical model for getting an equation R = A0.0455 Z3.18VT-1. Finally, an identification formula Z3.18=64541.08+2.53 (dR/dVT-1) is obtained by means of calibration experiments.