Journal
GEOPHYSICAL RESEARCH LETTERS
Volume 49, Issue 6, Pages -Publisher
AMER GEOPHYSICAL UNION
DOI: 10.1029/2021GL095383
Keywords
CRNS; soil-moisture; neutrons; muons; cosmic-rays
Categories
Funding
- European Union [213007]
- Universita degli Studi di Padova within the CRUI-CARE Agreement
- IAEA Coordinated Research Project Enhancing agricultural resilience and water security using Cosmic-Ray Neutron Sensor [D1.20.14]
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Measuring the variability of incoming neutrons locally is important for the CRNS method. Muons, created from the same primary cosmic-ray fluxes as neutrons, can be a suitable alternative for measuring high energy neutrons. The reported measurements demonstrated that muon detection system can detect incoming cosmic-ray variations locally, with adequate precision for many CRNS applications.
Measuring the variability of incoming neutrons locally would be usefull for the cosmic-ray neutron sensing (CRNS) method. As the measurement of high energy neutrons is not so easy, alternative particles can be considered for such purpose. Among them, muons are particles created from the same cascade of primary cosmic-ray fluxes that generate neutrons at the ground. In addition, they can be easily detected by small and relatively inexpensive detectors. For these reasons they could provide a suitable local alternative to incoming corrections based on remote neutron monitor data. The reported measurements demonstrated that muon detection system can detect incoming cosmic-ray variations locally. Furthermore the precision of this measurement technique is considered adequate for many CRNS applications.
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