auger-electron

Auger effect

[oh-zhey]
noun Physics.
a nonradiative process in which an atom in an excited state undergoes a transition to a lower state by the emission of a bound electron (Auger electron) rather than by the emission of an x-ray.
Also called autoionization.


Origin:
1930–35; named after Pierre V. Auger (born 1899), French physicist

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World English Dictionary
Auger effect (ˈaʊɡə)
 
n
the spontaneous emission of an electron instead of a photon by an excited ion as a result of a vacancy being filled in an inner electron shell
 
[C20: named after Pierre Auger (1899--1993), French physicist]

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