摘要: Shifts or He II spectral lines were measured, defining the c.g. unperturbed fine-structure components having statistical intensity distribution as origin of shift. The Stark-shift λ4686A ( n =3← '=4) is described in detail; was found to depend on electron temperature, density and pressure plasma. Some discussion about plasma-shift Lyα λ304A =1← '=2) mentioned.
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