Bulg. J. Phys. vol.22 no.1-2 (1995), pp. 007-012



Using the Periodical Cross Section Structure in the Unresolved Resonance Region

N. Koyumdjieva
Institute for Nuclear Research and Nuclear Energy, 72, Tzarigradsko Shose, 1784 Sofia
Abstract. Using the periodical structure of the resonance cross sections a new procedure for calculation of the average group constants in the umesolved resonance region has been realized. It has been tested on common results of the R-matrix theory of the nuclear reactions. The results for self-shielding factors and average cross sections of 239Pu are presented.

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