Moritz Westphal
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View article: Measurement of the occupation number of metastable atoms in the hyperfine-substate β$_3$ in an atomic hydrogen beam
Measurement of the occupation number of metastable atoms in the hyperfine-substate β$_3$ in an atomic hydrogen beam Open
After its discovery in 1947 by Willis Eugene Lamb and Robert C. Retherford the Lamb shift was used to create Lamb shift polarimeter to separate the $2S_{1/2}$ $\\alpha_{1}$ and $\\alpha_{2}$ hyperfine\nsubstates of hydrogen as well as the …
View article: Hyperfine-spectroscopy measurement of metastable hydrogen atoms with a Sona-transition unit
Hyperfine-spectroscopy measurement of metastable hydrogen atoms with a Sona-transition unit Open
During the last 60 years, Sona transition devices have been used to invert the occupation numbers of pure states by a rapidly changing magnetic field across a zero crossing point. The inversion of the magnetic quantisation axis changes fas…