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Jaehong Kim,Kwon-soo Chun,Hyun Park,Jisup Lee,Seogkyu Kim 한국물리학회 2006 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.48 No.4
We investigate the energies of the accelerated proton beams from the cyclotron at KIRAMS by measuring the ratios of the 63Cu(p,2n)62Zn to the 65Cu(p,n)65Zn nuclear reactions in target stacks of five 100 μm Cu foils irradiated with a 2 μA beam current for 10 min. A comparison of the measured energy and the calculated values showed reasonable agreement within statistics and demonstrated that the energy of the proton beam could be determined by irradiating thin metallic Cu foil target with natural isotropic compositions and by using an activation analysis method.