Paschen series
/ˈpaʃ(ə)n
/noun Physics
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.
Origin
1920s: named after L. C. H. Friedrich Paschen (1865–1947), German physicist.
- haversin
- haversine
- haversine formula
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