OBSERVING METHOD OF NUCLEAR REACTOR NEUTRINOS BY CAPACITOR-TYPE HYDROGEN ION BEAM SOURCE

摘要

PROBLEM TO BE SOLVED: To provide a method with which variations in hydrogen ions or a deuterium ions and a secondary generated particles are observed through making nuclear reactor neutrinos pass along the hydrogen ion beam or the deuterium ion beam. SOLUTION: Anti-electron neutrinosνe* from a nuclear reactor is received by the positive hydrogen ion H+beam which has a high-energy orientation, and the following interaction is performed:νe* + H+(positive hydrogen ion)→e+(positive electron) + n (neutron). In this case, the orientations of the beams ofνe* and H+are made to coincide. Acceleration is conducted so as to make the momentum of H+become larger than that of e+. A 90-degree bend magnetic field mass spectrometer is arranged after the H+beam. The current density of e+is detected nearly at a total flow rate ofνe* (1011/cm2sec). A method which utilizes polarization of hydrogen molecules adsorbed spontaneously on the insulation film surface of a capacitor is used, with the H+beam being generated easily and at low cost, and the H+beam can be directed easily in the direction of a nuclear power plant. COPYRIGHT: (C)2004,JPO&NCIPI