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Ç. Ertek, A. Yalçin, Y. İnel
Nuclear Science and Engineering | Volume 36 | Number 2 | May 1969 | Pages 209-219
Technical Paper | doi.org/10.13182/NSE69-A19718
Articles are hosted by Taylor and Francis Online.
An experimental method of determining the ratio of the epicadmium 238U neutron-capture rate to the subcadmium 238U capture rate in a fuel rod, (ρ28), is presented. The precision is ∼0.3% on the cadmium ratio. The relative 239Np and fission-product activities induced in a representative cross section of the fuel material (a thin bare foil of natural uranium) are compared with those induced in a cadmium-covered identical foil in a “flux symmetric” position in the rod. The 239Np gamma activity is counted by a coincidence method with and without the application of chemical separation. The results from the coincidence method are compared with two single-channel and one hundred-channel analyzer results obtained by chemical separation.
