Wagner Research Center for Physics of the Hungarian Academy of Science

Laszlo Olah

Hiroyuki Tanaka

Dezso Varga

Tarou Kusagaya

Gergo Hamar

A muographic observation instrument is constructed with a ground unit in which six gaseous detectors are attached to six detector sockets arranged to be parallel to a flat surface with a certain distance between them, and a pair out of ten radiation shields is placed between each detector socket mounted the shield sockets. Since the gaseous detectors have smaller spatial resolution compared to a usual scintillator detector, the thickness of lead plates used for eliminating the noise caused by electromagnetic shower from the horizontal direction can be made &#x2155; smaller, and therefore the weight of the whole device is decreased substantially. Furthermore, since only the gaseous detectors and radiation shields have to be mounted to the sockets of the ground unit, the installation of the device is simple.

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Budapest, Hungary

Laszlo Olah