The KACST muon detector and its application to cosmic-ray variations studies |
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| Authors: | AH Maghrabi H Al Harbi ZA Al-Mostafa MN Kordi SM Al-Shehri |
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| Institution: | 1. King Abdulaziz City for Science and Technology, National Center for Mathematics and Physics, P.O. Box 6086, Riyadh 11442, Saudi Arabia;2. King Abdulaziz City For Science and Technology, National Astronomy Centre, P.O. Box 6086, Riyadh 11442, Saudi Arabia |
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| Abstract: | A single channel cosmic ray muon detector was constructed and installed in Riyadh, central Saudi Arabia, for studying the variations in the cosmic ray (CR) muon flux. The detector has been in operation since July 2002. The recorded data correspond to muons that primarily have energies between 10 and 20 GeV. The detector will be used to continuously measure the intensity of the muon components of the cosmic rays, exploring its variations and possible correlations with environment parameters. The technical aspects of this detector will be presented. Some results obtained by the detector so far will be given. These include the modulation of the CR flux on different time scales (diurnal, 27-day, and long-term variations). Additionally, the effect of a severe dust storm on the muon count rate was investigated. |
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| Keywords: | Muon detector Saudi Arabia Riyadh Dust storm Environment Forbush decrease |
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