Stark induced intensity beats in Lyman-beta and Lyman-alpha emission from beam-foil formed hydrogen atoms Public Deposited

http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/c247dw84c

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  • Observed intensity fluctuations in the emission of Starkperturbed Ly-α and Ly-β radiation from beam-foil formed atomic hydrogen are compared with theoretical calculations to yield information on the relative cross sections for creation of a hydrogen atom into the various l -levels for n = 2 and n = 3. It is found that the s-levels are preferentially populated (compared with a statistical distribution) by more than a factor of three at the beam energies which were observed. The theory of quantum beats is found to adequately describe the variation of the intensity pattern with field strength and field orientation. The effects of the fringing field, the Zeeman splittings, and the hyperfine interaction on the observed signal are also studied.
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