12-20 July 2017
BEXCO
Asia/Seoul timezone
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Contribution

BEXCO - Room F(201/202/203/204)

[SH066] Cosmic ray enhancements related to thunderstorms at a mountain: Lomnický štít experience 2014-2016

Speakers

  • Mária KANCÍROVÁ

Primary authors

  • Mária KANCÍROVÁ (Institute of Experimental Physics, Slovak Academy of Sciences, Slovakia)

Co-authors

  • Jaroslav CHUM (Institute of Atmospheric Physics of the CAS, Czech Republic)
  • Karel KUDELA (Nuclear Physics Institute of the CAS, Czech Republic)
  • Marek KOLLÁRIK (Institute of Experimental Physics, Slovak Academy of Sciences, Slovakia)
  • Ronald LANGER (Institute of Experimental Physics, Slovak Academy of Sciences, Slovakia)
  • Igor STRHÁRSKÝ (Institute of Experimental Physics, Slovak Academy of Sciences, Slovakia)
  • Jiří BAŠE (Institute of Atmospheric Physics of the CAS, Czech Republic)
  • Gerhard DIENDORFER (Austrian Electrotechnical Association (OVE-ALDIS), Austria)

Description

Since 2014 the detector system SEVAN (Space Environmental Viewing and Analysis Network) is in operation along with the neutron monitor at Lomnický štít (LS, 2634 m asl). In the first part, we discuss the atmospheric corrections of the three channels of SEVAN. We present the events with short duration enhancements observed in the first channel of SEVAN during the periods of thunderstorms activity in the vicinity of LS. Since June 2016 the atmospheric electric field measurement by EFM100 sensor at the mountain peak started and 1 second data from SEVAN were recorded. We report the events of count rate increases on SEVAN at time periods when local electric field reached large absolute values and discuss the observations in comparison with other similar events reported at high mountains and with the theory of secondary cosmic ray particle acceleration in the atmosphere by electric field.