Portable tracking detector for cosmic background measurements

László Oláh, G. Barnaföldi, G. Hamar, Hunor Gergely Melegh, Gergely Surányi, Dezso Varga

Research output: Chapter in Book/Report/Conference proceedingConference contribution


A precision measurement of underground cosmic muon flux has relevance in various applications. It may reveal underground structures such as ores of increased density or an empty cavern, and it is a key quantity for proposing underground low-radiation experiments. As an example of the latter, the cosmic muon flux has been determined at a new experimental facility under construction in Felsenkeller, Dresden, Germany. Concerning the former applications, we investigate the required precision of cosmic muon flux measurements. A Monte Carlo simulation has been applied to quantify the multiple scattering of muons in standard rock and the required angular resolution of tracking detectors. We found that a typical 20 mrad angular resolution is sufficient to study structures of cavities smaller than 8 m diameter, and smaller cavities or corresponding high density accumulations, will be even more smeared. To verify the simulations, measurements have been performed with the a portable tracking detector at 7.5 meter-soil-equivalent depth in an artificial tunnel system in Budapest, Hungary.

Original languageEnglish
Title of host publicationProceedings of Science
PublisherProceedings of Science (PoS)
Publication statusPublished - 2014
Event13th Nuclei in the Cosmos, NIC 2014 - Debrecen, Hungary
Duration: Jul 7 2014Jul 11 2014


Other13th Nuclei in the Cosmos, NIC 2014

ASJC Scopus subject areas

  • General

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    Oláh, L., Barnaföldi, G., Hamar, G., Melegh, H. G., Surányi, G., & Varga, D. (2014). Portable tracking detector for cosmic background measurements. In Proceedings of Science (Vol. 07-11-July-2015). [129] Proceedings of Science (PoS).