Ground Albedo Neutrouns Produced by Cosmic Rediations
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概要
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Day-to-day variations of cosmic-ray-produced neutron fluxes near the Earth'sground surface are measured by using three sets of paraffin-moderated BF.counters, which are installed in the different locations ; 3 m above ground, groundlevel and 20 cm under ground, respectively. Neutron flux decreases observed bythese counters when snowcover exists show that there are upward-moving neu-trons, that is, ground albedo neutrons near the ground surfa.ce. The amount ofalbedo neutrons is estimated to be about 4O'% of tc>tal neutron flux in the energyrange 1-10' eV.
- 社団法人日本物理学会の論文
- 1983-05-15
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- Ground Albedo Neutrouns Produced by Cosmic Rediations