bremsstrahlung(redirected from Free-free absorption)
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The electromagnetic radiation produced by the acceleration of an electrically charged particle, as when an electron is deflected in the electric field of an atom or molecule.
(Atomic Physics) the radiation produced when an electrically charged particle, esp an electron, is slowed down by the electric field of an atomic nucleus or an atomic ion
[C20: German: braking radiation]
radiation, esp. x-rays, emitted by an accelerating or decelerating charged particle.
[1940–45; < German, =Brems(e) brake + Strahlung radiation]