Spectroscopic study of the early helium afterflow.
Time-resolved spectroscopic measurement of absolute intensity, spectral profiles and self- absorption for He I lines in early helium afterglow
HELIUM AFTERGLOW↗
Engineering topics
Bickel, W. S.
Publications and source records attributed to Bickel, W. S..
Measurement of the volume of an extended source seen by a spectrometer.
Number density of atomic constituents present in plasma extended source determined by spectroscopic volume measurement
SPECTROMETRY↗
Interference of fine-structure levels in hydrogen.
Interference of fine-structure levels in hydrogen ions passing through two successive carbon foils
ELECTRONIC LEVEL↗