Cherenkov radiation
Cherenkov radiation is a type of electromagnetic radiation that occurs when a charged particle passes through a medium at a speed greater than the phase velocity of light in that medium. This phenomenon is named after Soviet scientist Pavel Cherenkov, who discovered it in the 1930s.
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This phenomenon is named after Soviet scientist Pavel Cherenkov, who discovered it in the 1930s. Cherenkov radiation is similar to the sonic boom produced by an object traveling faster than the speed of sound. When a charged particle exceeds the phase velocity of light in a transparent medium, it emits radiation in the form of a cone-shaped shockwave. The characteristics of Cherenkov radiation, such as its color and intensity, depend on factors such as the particle's speed, charge, and the refractive index of the medium. Cherenkov radiation has various applications in different scientific fields, including particle physics, nuclear reactors, and medical imaging.