Abstract:A nuclear emulsion is a three dimensional tracking detector which is able to record minimum ionizing particles with micrometric accuracy. We are developing the nuclear emulsion for observation of cosmic rays and its analysis techniques. We have been applying nuclear emulsions to cosmic ray radiography for measuring the inner structure of nuclear power plants, volcanoes and so on. Since 2015, we have been observing cosmic rays inside the pyramids, which are the Bent Pyramid at Dahshur and Khufu's Pyramid at Giz… Show more
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