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SERIE LYMAN [1 record]

Record 1 1986-10-08

English

Subject field(s)
  • Astrochemistry and Cosmochemistry
  • Astronomy
CONT

Whenever an electron makes a transition to the ground state of hydrogen, for example, there is given off a photon of sufficient energy to place it in the ultraviolet region of the spectrum. All such transitions from any higher energy level to the ground state of hydrogen constitute a series of spectral lines in the ultraviolet, called the "Lyman series" (...)

French

Domaine(s)
  • Astrochimie et cosmochimie
  • Astronomie
DEF

(...) ensemble de raies spectrales produites par un atome passant de l'état fondamental aux niveaux supérieurs.

CONT

Les raies les plus intenses de tous les éléments appartiennent généralement à la série principale et résultent de la transition au niveau le plus profond, fondamental de l'atome. Ceci est dû au fait que l'électron de l'atome a tendance à reprendre son état fondamental à énergie potentielle minimale. La série principale de l'hydrogène appelée "série de Lyman" (...) se situe tout entière dans l'ultraviolet lointain (...)

Spanish

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