Abstract
In comparing the irradiation conditions in experiments for the neutron-field characteristics of a reactor, it is sufficient to estimate Solely the thermal and epithermal components of the neutron field. The cadmium'difference method is found to be inapplicable in conditions of uncontrollable neutron'field perturbations. Often the two-detector method is used in such conditions [i]. To estimate two components, it is sufficient, in principle, to use two detec' tors, but, since the rate of the activation reaction is estimated with an error (there may be gross oversights) and the error in determining the activation rate may be increased With unfavorable choice of detectors, it is desirable to use a larger number of detectors or detector components [2-4]. in ~he present work a statistical analysis of this approach is undertaken for the example of the results of Biryukov et al. [2].
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