K-radiation

K-ra·di·a·tion

usually a very penetrating form of x-radiation excited by cathode rays (high-speed electrons) impinging upon a metal anode such as tungsten; the energy of the radiation is a function of the binding energy of the K-shell electrons of the metal anode.
References in periodicals archive ?
And similar to a rave party, it's better if one simply gives in to the exuberance of the dance rather than examining the possibilities of dance methods and music categories; and one can even become a member of Hoderlein's most extensive project, the "GKS" (Geheimnisvolle K-Strahlung, the secret k-radiation).