Nuclear Science and Engineering, Volume 1

absorbed dose absorption activity annealing approximation Argonne National Laboratory assumed atoms average barns beam calculated cloud chamber cm² coefficient concentration constant control rod coolant core counter counting rate critical mass cross section curve delayed critical delayed neutron density detector diameter diffusion distribution Doppler Doppler broadening duct enriched equation error estimated experimental experiments exposure fast fission products fission rate foil fraction fuel elements function Geneva Conference graphite heat transfer hot channel factor hydrogen ICRP irradiation isotopes lattice LMFR material measured metal moderator multigroup National Laboratory neutron energy neutron flux nuclear Oak Ridge obtained operation plutonium pressure radiation range ratio reactivity reactor reflector resonance integral samples scattering shield shown in Fig slurry solution spectrum sphere steam surface Table temperature theory thermal neutron thorium tion tube uranium volume yields σα