Stopping powers of CR-39 nuclear track material for <i>Z</i>=1−14 ions with 0.25–2.8 MeV/u期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Stopping powers of CR-39 nuclear track material for Z=1−14 ions with 0.25–2.8 MeV/u

Authors:	J Risnen E Rauhala Zs Fülp Z Kiss E Somorjai I Hunyadi

Institution:	^* Accelerator Laboratory, Department of Physics, P.O. Box 9, FIN-00014 University of Helsinki, Finland ^* Institute of Nuclear Research, Hungarian Academy of Sciences, H-4001, Debrecen, P.O. Box 51, Hungary

Abstract:	Experimental studies of the slowing down of ¹H, ⁴He, ⁷Li, ¹¹B, ¹²C, ¹⁴N, ¹⁶O, ²³Na, ²⁷Al and ²⁸Si ions in CR-39 nuclear track etch material in the ion energy range 0.25–2.8 MeV/u are presented. The ion stopping powers obtained are compared to the predictions of two recent semiempirical models for calculating ion stopping powers. The predictions are found to clearly underestimate the observed stopping powers for ⁷Li, ¹¹B, ¹²C, ²³Na, ²⁷Al and ²⁸Si ions.

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