M. G. Stamatelatos
Published: 1977
Total Pages: 20
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A new method for space shielding cross sections in doubly heterogeneous reactor cores is presented. It operates on de-detailed pointwise or ultrafine group cross sections and can be implemented only in computer programs which generate cross sections at such a fine energy level. This method is accurate and can serve as reference for testing approximate methods of cross-section space shielding.