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Cherenkov radiation

   Also found in: Encyclopedia 0.01 sec.
Cherenkov radiation
n.
Variant of Cerenkov radiation.

Cherenkov radiation [tʃɪˈrɛŋkɒf]
n
(Physics / General Physics) the electromagnetic radiation produced when a charged particle moves through a medium at a greater velocity than the velocity of light in that medium
[named after Pavel Alekseyevich Cherenkov (1904-90), Soviet physicist]

Cherenkov radiation
Variant of Cerenkov radiation.


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Those PMTs can sense the blue Cherenkov radiation that is generated during the rare event of a high-energy neutrino entering the planet from the Northern Hemisphere, passing completely through it, then colliding with a water molecule in the ice sheet in the vicinity of the detector.
In most parts of the ocean, such radioactive elements are so dilute that Cherenkov radiation can be detected only with the most sensitive photomultipliers.
That is why astronomers glowed with excitement last year when two Cherenkov radiation detectors recorded the first, normally elusive neutrino particles from a supernova (SN: 3/21/87, p.
 
 
 
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