Paschen series
The
Paschen series is the series of transitions and resulting emission lines of the
hydrogen atom as an
electron goes from
n ≥ 4 to
n = 3 (where
n refers to the energy level of the electron). The transitions are named sequentially by Greek letter:
n = 4 to
n = 3 is called Paschen-alpha, 5 to 3 is Paschen-beta, 6 to 3 is Paschen-gamma, etc.
See also: Bohr model, Rydberg formula, H-alpha, Balmer series, Lyman series
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