Abstract
The Coster–Kronig transition, f 23, was determined using differential fluorescence cross sections of L l X-ray for Th and U. The targets were irradiated an Am-241 radioisotope at the different incident angle. The L l X-rays were counted with a Si (Li) detector at the different scattering angle varying from 60° to 90° at 10° intervals. For each angle, the Coster–Kronig transition probability, f 23, was found. An obtained Coster–Kronig transition probability value was fitted versus emission angle. According to present results we can say that the Coster–Kronig transition probability, f 23, shows isotropic distribution.
Published Version
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