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New Evaluation of the 99Tc Neutron-Induced Cross Sections for the ENDF/B-VII.0 Library

D. Rochman, M. Herman, S. F. Mughabghab, P. Oblozinsk√Ĺ

Nuclear Science and Engineering / Volume 158 / Number 1 / January 2008 / Pages 68-77

Technical Paper /

Neutron-induced cross sections for 99Tc were evaluated from 10-5 eV to 20 MeV for the U.S. ENDF/B-VII.0 library released in December 2006. The resonance parameters were adopted from the new Atlas of Neutron Resonances. In the fast region, all open reaction channels were evaluated with the reaction code EMPIRE-2.19. Comparison of the present evaluation with microscopic measurements and data recommended by European (JEFF-3.1) and Japanese (JENDL-3.3) libraries is presented.

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