Also found in: Wikipedia.
Paschen series(pä`shən): see spectrumspectrum,
arrangement or display of light or other form of radiation separated according to wavelength, frequency, energy, or some other property. Beams of charged particles can be separated into a spectrum according to mass in a mass spectrometer (see mass spectrograph).
..... Click the link for more information. .
Paschen series(pash -ĕn) See hydrogen spectrum.
Paschen series[′päsh·ən ‚sir·ēz]
A series of lines in the infrared spectrum of atomic hydrogen whose wave numbers are given by RH [(1/9) - (1/ n 2)], where RH is the Rydberg constant for hydrogen, and n is any integer greater than 3.