Tracking detector for high performance cosmic muon imaging

D. Varga, G. Hamar, G. Nyitrai, A. Gera, L. Oláh, H. K.M. Tanaka

Research output: Article


Muography is an efficient tool to study the internal structure of large objects, exploiting the large penetration length of the naturally produced cosmic muons. The instrumentation required for this application is derived, but has distinct differences, from those in high energy and particle physics. The paper below presents the case example of the Sakurajima Muography Observatory (SMO), which is the world's largest volcano-targeting tracking system. The discussion addresses some of the problems related to the installation and maintenace of gaseous detectors on the field. As muography observations rely on assumptions on terrain, muon flux related to material density length, and smearing by scattering effects, an interesting study was conducted to experimentally demonstrate the possibility of imaging through a thick material. In this case, the ridge of a background hill can be identified behind 100 m rock in foreground.

Original languageEnglish
Article numberC05007
JournalJournal of Instrumentation
Issue number5
Publication statusPublished - máj. 2020

ASJC Scopus subject areas

  • Mathematical Physics
  • Instrumentation

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