Auger effect

noun

Au·​ger effect (ˌ)ō-ˈzhā- 

: a process in which an atom that has been ionized through the emission of an electron with energy in the X-ray range undergoes a transition in which a second electron is emitted rather than an X-ray photon

called also Auger process

Word History

Etymology

Pierre V. Auger †1993 French physicist

First Known Use

1928, in the meaning defined above