Collision Broadening

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Collision Broadening

In spectroscopy, the broadening or spreading of an emission line, due to the interruption of the radiating process by a collision of the radiator with another particle.
In the case of cyclotron radiation, the collision will actually change the phase of the radiation. For many collisions, this has the effect of broadening the observed frequencies by an amount equal to the collision rate.

References

This article is based on NASA's Dictionary of Technical Terms for Aerospace Use