Experimental determination of neutron lifetimes through macroscopic neutron noise in the IPEN/MB-01 reactor.

The neutron lifetimes of the core, reflector, and global were experimentally obtained through macroscopic neutron noise in the IPEN/MB-01 reactor for five levels of subcriticality. The theoretical Auto Power Spectral Densities were derived by point kinetic equations taking the reflector effect into account, and one of the approaches consider an additional group of delayed neutrons. [ABSTRACT FROM AUTHOR]

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