Humphreys series

(redirected from Humphreys line)

Humphreys series

[′həm·frēz ‚sir·ēz]
(spectroscopy)
A series of lines in the infrared spectrum of atomic hydrogen whose wave numbers are given by RH (1/36) -(1/ n 2), where RH is the Rydberg constant for hydrogen, and n is any number greater than 6.
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Ireland fly-half David Humphreys lines up fresh from his record-breaking Heineken Cup exploits for Ulster against Wasps seven days ago.