单词	Cerenkov radiation
释义	Cerenkov radiation /tʃəˌrɛŋkɒf reɪdɪˈeɪʃ(ə)n / (also Cherenkov radiation) noun [mass noun] Physics Electromagnetic radiation emitted by particles moving in a medium at speeds faster than that of light in the same medium.To clarify your question a little, only electrically charged particles emit Cerenkov radiation.... When neutrinos passing through the heavy water interact with deuterium nuclei, flashes of light, called Cerenkov radiation, are emitted. Neutrinos bouncing off of electrons would also produce Cherenkov radiation at lower energies, so Koshiba modified the design.
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