Monte Carlo Simulation and measurement of Calibration Neutron Monitor count rate dependence on proximity to water
| Author(s) | Duangjai, B. | |
| Author(s) | Nuntiyakul, W. | |
| Author(s) | Seripienlert, A. | |
| Author(s) | Pagwhan, A. | |
| Author(s) | Chaiwongkhot, K. | |
| Author(s) | Sáiz, A. | |
| Author(s) | Ruffolo, D. | |
| Author(s) | Evenson, P. | |
| Date Accessioned | 2024-02-22T21:14:42Z | |
| Date Available | 2024-02-22T21:14:42Z | |
| Publication Date | 2023-12-01 | |
| Description | This article was originally published in Journal of Physics: Conference Series. The version of record is available at: https://doi.org/10.1088/1742-6596/2653/1/012018 | |
| Abstract | Due to their global availability, neutron monitors play a crucial role in measuring time variations in the Galactic cosmic ray flux. A portable calibration neutron monitor (CalMon) is useful for intercalibrating various neutron monitors to ensure accurate measurements. A common technique to ensure that the calibration is done in a consistent environment is to place the CalMon at some height above a wide container (such as a portable swimming pool) filled with water. This study investigates the impact of CalMon height and water depth on the count rate ratio relative to a standard 18NM64 count rate recorded nearby (CalMon/18NM64). We compare simulated data from the FLUKA Monte Carlo package to experimental data from [1] to demonstrate the statistical accuracy of our simulation. Using the simulation results, we then extend the study of the proximity-to-water effect on the counting rate. In this work, we present a preliminary empirical model by analyzing the CalMon/18NM64 as a function of CalMon to water distance. Overall, our study enhances understanding of the response of calibration monitors (now often called "mini-neutron monitors") operated in various locations worldwide, and validates the Monte Carlo techniques used to model the response of the global neutron monitor network. | |
| Sponsor | This research was supported by the Development and Promotion of Science and Technology Talents Project (DPST), NARIT, NSRF via the Program Management Unit for Human Resources & Institutional Development, Research, and Innovation [grant number B39G660028], and National Research Council of Thailand (NRCT): High-Potential Research Team Grant Program (N42A650868). We thank the ITSC of CMU for providing server on-demand for simulations. | |
| Citation | Duangjai, B, W Nuntiyakul, A Seripienlert, A Pagwhan, K Chaiwongkhot, A Sáiz, D Ruffolo, and P Evenson. “Monte Carlo Simulation and Measurement of Calibration Neutron Monitor Count Rate Dependence on Proximity to Water.” Journal of Physics: Conference Series 2653, no. 1 (December 1, 2023): 012018. https://doi.org/10.1088/1742-6596/2653/1/012018. | |
| ISSN | 1742-6596 | |
| URL | https://udspace.udel.edu/handle/19716/34013 | |
| Language | en_US | |
| Publisher | Journal of Physics: Conference Series | |
| dc.rights | Attribution 3.0 Unported | en |
| dc.rights.uri | https://creativecommons.org/licenses/by/3.0/ | |
| Title | Monte Carlo Simulation and measurement of Calibration Neutron Monitor count rate dependence on proximity to water | |
| Type | Article |
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