Construction and Characterization of Neutron Monitor at Daejeon, Korea
- Title
- Construction and Characterization of Neutron Monitor at Daejeon, Korea
- Author
- 김용균
- Keywords
- Daejeon neutron monitor; cutoff rigidity; barometric coefficient; barometric coefficient diurnal variation; forbush decrease
- Issue Date
- 2013-07
- Publisher
- THE ASTROPARTICLE PHYSICS CONFERENCE
- Citation
- 33ND INTERNATIONAL COSMIC RAY CONFERENCE, RIO DE JANEIRO 2013
- Abstract
- The amount of cosmic radiation entering the Earth’s atmosphere is determined by, and is therefore an
indicator of, the level of solar activity. As the solar activity approaches a maximum, the counts cosmic rays get
increased. A NM64-type neutron monitor was installed at the Korea Research Institute of Standard Science in
Korea in 2011 with a cutoff rigidity of 11.2 GV. The aim of this study is to analyze the barometric coefficient and
the diurnal variation of Daejeon neutron monitor. The barometric coefficient and the diurnal variation is analyzed
with data acquired during 2012. A reliable barometric coefficient is determined, -0.6597 0.0004 %/hPa, and the
diurnal variation and the Forbush decrease events are observed. Even though the magnitude diurnal variation less
than 1 % is hard to measure, the Daejeon neutron monitor is working well. Moreover, some Forbush decrease
events are recorded simultaneously at Daejeon neutron monitor.
- URI
- https://galprop.stanford.edu/elibrary/icrc/2013/papers/icrc2013-0079.pdfhttps://repository.hanyang.ac.kr/handle/20.500.11754/74814
- Appears in Collections:
- COLLEGE OF ENGINEERING[S](공과대학) > NUCLEAR ENGINEERING(원자력공학과) > Articles
- Files in This Item:
- icrc2013-0079.pdfDownload
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