Abstract

Emission produced by radiative and Auger cascade following a creation of the K-shell vacancy in the iodine atom is investigated by considering transitions among subconfigurations. Iodine is a widely used radionuclide with great therapeutic potential that can be exploited in antitumor treatment. The main branches of the cascade are identified. The radiative and Auger electron spectra of the cascade are investigated for all subconfigurations of the I+1s5p5 configuration. It is shown that the strongest group of lines in the Auger spectrum is formed at ∼1 eV by transitions from I2+ to I3+. Ionization stages up to I16+ are produced in the decay process. The study of evolution of charge states over time reveals that the final states of the cascade are reached in ∼10−13 s.

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