Nuclear Science and Techniques

《核技术》(英文版) ISSN 1001-8042 CN 31-1559/TL     2018 Impact factor 0.961

Nuclear Science and Techniques ›› 1995, Vol. 6 ›› Issue (2): 71

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DETERMINING CARBON-13 ENRICHMENT USING LOW ENERGY PROTONS*

Zhang Weicheng (张维成), Chao Zhiyuan (晃致远) and Peng Xiuru (彭秀茹)   

  1. Institute of Modern Physics, the Chinese Academy of Sciences, Lanzhou 730000, China
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Zhang Weicheng (张维成), Chao Zhiyuan (晃致远) and Peng Xiuru (彭秀茹). DETERMINING CARBON-13 ENRICHMENT USING LOW ENERGY PROTONS*.Nuclear Science and Techniques, 1995, 6(2): 71

Abstract: The proton-capture reactions 12C(p,7)13N and 13C(p,7)14N have been studied to determine 13C enrichments. The system has been calibrated by measuring the gamma-rays yield from the 12C(p,γ)13N and 13C(p,γ)14N reactions as a function of known 13C enrichment. This technique is applicable to the analysis of samples with 13C enrichments between 1% and 90%.

Key words: Proton-capture reactions, Carbon-13, Isotope ratio, Gamma detection