Meaning of Paschen series in English:

Paschen series

Pronunciation /ˈpaʃ(ə)n/


  • A series of lines in the infrared spectrum of atomic hydrogen, between 1.88 and 0.82 micrometres.

    ‘The Paschen series describes transitions from a higher level down to n = 3.’
    • ‘See a 1922 paper by Frederick Brackett comparing Bohr's formula for the hydrogen spectral series with the Paschen series and with two members of a new series.’


1920s named after L. C. H. Friedrich Paschen (1865–1947), German physicist.