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In an inner-shell ionization of RbF generated in a heat pipe by laser-produced soft x rays, continua in the XUV have been observed at 130.4 and 155 nm. These continua show the same properties as the analogous transitions in the rare-gas fluoride molecules. The 130.4-nm fluorescence is attributed to the B–X transition, and a discussion of the origin of the 155-nm fluorescence is provided.
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Yang et al. (1989) studied this question.
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