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Neutrino generation by high-intensity lasers

By Andrew V Pakhomov


This paper proposes a new concept for generating controlled, high-flux pulses of neutrinos. Laser-induced generation of relativistic protons, followed by pion production and decay, provides the neutrino source. By conservative estimate, the source will yield nanosecond-range pulses of muon–neutrinos, with fluxes of ∼10 19 νµ s −1 sr −1 and energies of ∼20 MeV or higher. Concept feasibility depends upon further progress in high-intensity lasers; the process assumes a driving laser with pulse energy ∼8 kJ, providing an irradiance of ∼9 × 10 22 W cm −2. The study of the KARMEN time anomaly and neutrino oscillations would be the possible applications of the source. 1

Year: 2002
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