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Photodetachment of Electrons Compounded to Excited Hydrogen Atoms as Source of Absorption Features in Magnetic Stars?
Author(s) -
Oetken L.
Publication year - 1987
Publication title -
annalen der physik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.009
H-Index - 68
eISSN - 1521-3889
pISSN - 0003-3804
DOI - 10.1002/andp.19874990808
Subject(s) - excited state , stars , physics , electron , atomic physics , absorption (acoustics) , scattering , hydrogen , astrophysics , nuclear physics , optics , quantum mechanics
Scattering of thermal electrons at excited hydrogen atoms forms resonances, from which absorption features may arise, if the resonances donot decay by electron emission before; these absorption features agree in wavelengths with those observed in normal early type stars ( T eff ∼ 10 4 K) and predominantly in magnetic stars. It is shown that the conditions for the formation of the resonances, the quasistable states of H − , are just most convenient for the stars in question.