This paper explains the use of muon tomography in imaging the dry storage container to detect the high radioactive material in it. Cosmic ray muon is a natural source in the Earth's atmosphere and has high penetrating power and large scattering angle for high Z materials. In this paper, we have designed a dry storage container inside which UO 2 rods have been placed and on increasing the number of these rods muon scattering has been observed. We have shown that as the muons entered into the container, it generates a scattering pattern and from that pattern, we can find the existence of any nuclear waste in it accurately without opening it. Some other parameters such as energy loss, radiation length and scattering angle have also been calculated for 3 GeV-10 GeV muon energy. The results for 3 GeV energy has been compared with C Jewett et al and further extrapolated to higher energies.
Cosmic rays are high energy radiation originating in the cosmos, consisting of nucleonic fragments that rain down on the earth from outside the solar system in the form of Extensive Air Shower (EAS). There are several secondaries generated in these showers. The most common fundamental particles to reach the Earth’s surface are muons, electrons, neutrinos, and gamma rays. The easiest way to extract information from these particles is by keeping the detector on earth’s surface. By requiring coincidence in several detectors, background radiation will automatically be sorted out. A muon telescope consisting of two polystyrene plastic scintillation detectors has been set up in our laboratory. In this paper, secondary flux has been observed by increasing the distance between the detectors, horizontally as well as vertically. This study has been extended for observing the flux on keeping the detector inside, outside and on the top (4.5 meters) of the laboratory building. Horizontal separation, vertical separation, data inside, outside and at the roof of the laboratory building, are five measurements performed using Muon Telescope at constant threshold of discriminator. In this process, one detector was kept at the fixed position and the other detector has been moved with respect to the first one. SEASA (Stockholm Educational Air Shower Array) in Alba Nova Physics Centre in Stockholm, has performed this detector separation study with three detectors and it has been observed that the count rate decreases with the separation between the detectors because the telescope loses the sensitivity to lower energy shower.
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