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Liulin silicon semiconductor spectrometers as cosmic ray monitors at  the high mountain observatories Jungfraujoch and Lomnický štít
Nuclear Physics Institute of the ASCR, Prague, Czech Republic; Czech Technical University in Prague, Czech Republic.
Nuclear Physics Institute of the ASCR, Prague, Czech Republic.
University of Bern and International Foundation High Altitude Research Stations Jungfraujoch and Gornergrat, Bern, Switzerland.
Slovak Academic of Science, Košice, Slovakia .
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2014 (English)In: Journal of Instrumentation, ISSN 1748-0221, Vol. 9, no P07018Article in journal (Refereed) Published
Abstract [en]

Currently, most cosmic ray data are obtained by detectors on satellites, aircraft, high-altitude balloons and ground (neutron monitors). In our work, we examined whether Liulin semiconductor spectrometers (simple silicon planar diode detectors with spectrometric properties) located at high mountain observatories could contribute new information to the monitoring of cosmic rays by analyzing data from selected solar events between 2005 and 2013. The decision thresholds and detection limits of these detectors placed at Jungfraujoch (Switzerland; 3475 m a.s.l.; vertical cut-off rigidity 4.5 GV) and Lomnicky. stit (Slovakia; 2633 m a.s.l.; vertical cut-off rigidity 3.84 GV) highmountain observatories were determined. The data showed that only the strongest variations of the cosmic ray flux in this period were detectable. The main limitation in the performance of these detectors is their small sensitive volume and low sensitivity of the PIN photodiode to neutrons.

Place, publisher, year, edition, pages
Institute of Physics Publishing (IOPP), 2014. Vol. 9, no P07018
Keyword [en]
Dosimetry concepts and apparatus; Spectrometers; Analysis and statistical methods
National Category
Physical Sciences
URN: urn:nbn:se:liu:diva-110981DOI: 10.1088/1748-0221/9/07/P07018ISI: 000340050700039OAI: diva2:751627

Funding Agencies|project INGO of Ministry of Education, Youth and Sports of the Czech Republic; IEP SAS in Kosice; Slovak grant agency VEGA [2/0040/13]; [SGS12/200/OHK4/3T/14]

Available from: 2014-10-01 Created: 2014-10-01 Last updated: 2015-09-02Bibliographically approved

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