Research-reactor neutron fields for calibrating in-reactor detectors in nuclear power plants |
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| Authors: | V D Sevast’yanov S A Nikolaev I E Somov V F Shikalov M G Mittel’man |
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| Affiliation: | (1) All-Russia Research Institute of Physicotechnical and Radio Measurements, Russia;(2) State Research Center of the Russian Federation, Russia;(3) A. I. Leipunskii Physics and Power Engineering Institute, Russia;(4) Russian Science Center Kurchatov Institute, Russia;(5) Kvant, State Research and Production Enterprise, Russia |
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| Abstract: | The neutron spectra of research and power reactors are compared. The spectra were measured by the neutron-activation method
and calculated using the KASKAD computer code. The a priori spectrum in the calculation was constructed as a superposition
of physically validated spectra. A method of calibrating in-reactor detectors in nuclear power plants on the basis of the
sensitivity to the 235U fission rate in 1 g of uranium using the neutron fields of research reactors is proposed.
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Translated from Atomnaya énergiya, Vol. 100, No. 2, pp. 97–107, February, 2006. |
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