Cherenkov emissions of Langmuir plasmons and light neutrinosby the flux of neutrinos |
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Authors: | Levan N Tsintsadze |
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Institution: | (1) Advanced Photon Research Center, JAERI, Kyoto, 619-0215, Japan |
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Abstract: | We consider the system of neutrino-antineutrino
– plasma taking into account theirweak Fermi interaction, when the density of neutrinos andthe plasma particles are rather high and their collective interactionplays a vital role. New fluid instabilities driven by strong neutrino flux in aplasma are observed. It is shown that a bunch of neutrinos, drifting witha constant velocity across a homogeneous plasma, can also induce emission oflower energy neutrinos due to scattering, i.e. the decay of a heavy neutrino H into a heavy and a light neutrino L( H![rarr](/content/m51pv15r67p34544/xxlarge8594.gif) H L) in a plasma. Furthermore we find thatthe neutrino production in stars does not lead in general to energy lossesfrom the neutron stars. |
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