Detection of very rare isotopes by laser collinear resonant ionization of fast atoms

Abstract

Results are presented of the work on the development of a method for detecting ultra rare isotopes, based on the collinear isotope-selective laser ionization of atoms in a fast bearn. The rare isotope3He was detected at a selectivity of 109 and isotope-selective ionization of krypton atoms was demonstrated. A scheme is suggested for detecting the rare radioactive isotopes85Kr and81Kr. The technique has been exploited for the measurement of hyperfine structures and isotope shifts of unstable Yb isotopes.