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J Radiat Prot > Volume 13(2); 1988 > Article
Journal of Radiation Protection 1988;13(2):1-0.
Ar, He 및 $N_2$ 가스의 $alpha$-입자 저지능과 저지 단면적 측정
이정훈;황재광;황한열;정원모;주관식;
The Stopping Power and Cross-section Measurement of $alpha$-particle in Ar, He and $N_2$ gases
Lee, Jung-Hoon;Hwang, Jae-Kwang;Hwang, Han-Yull;Chung, Won-Mo;Joo, Koan-Sik;
ABSTRACT
The energy losses of ${alpha}$-particle with 3 to 5.4 MeV energy were measured as a function of gas absorber thickness and ${alpha}$-particle energy in three light gaseous media; He, Ar, and $N_2$. The stopping powers and stopping cross-sections were determined by analyzing these data. For Ar gas, the experimental values are very well consistent with the corresponding values of Srivastava's stopping-power theory with the condition of the completely and partially stripped ion. For $N_2$ and He gases, these experimental values express the inconsistencies of about $13{sim}36%$ and $27{sim}28%$, respectively.
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