Seasonal variations in the muon-induced neutron flux and background of natural radioactivity at the Gran Sasso Underground Laboratory
| Autor: | O. G. Ryazhskaya, E. A. Dobrynina, N. Yu. Agafonova, A. S. Malgin, V. L. Dadykin, V. V. Ashikhmin, V. F. Yakushev, R. I. Enikeev, I. R. Shakyrianova |
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| Rok vydání: | 2017 |
| Předmět: |
Physics
Muon Physics::Instrumentation and Detectors 010308 nuclear & particles physics Astrophysics::High Energy Astrophysical Phenomena Hadron General Physics and Astronomy Flux Magnitude (mathematics) 01 natural sciences Nuclear physics Neutron flux 0103 physical sciences High Energy Physics::Experiment Neutron 010306 general physics Large Volume Detector Intensity (heat transfer) |
| Zdroj: | Bulletin of the Russian Academy of Sciences: Physics. 81:512-515 |
| ISSN: | 1934-9432 1062-8738 |
| DOI: | 10.3103/s1062873817040037 |
| Popis: | Cosmic ray muons at average energies of 280 GeV and muon-induced neutrons are detected by the LVD (Large Volume Detector). An analysis of seasonal variations in the neutron flux, based on data collected over 15 years, is presented. Measuring of the seasonal variations in the specific number of neutrons generated by muons allows us to determine the magnitude of variations in the average energy of the muon flux at the depth of the LVD’s location. The source of the seasonal variations in the total neutron flux is a change in the intensity and average energy of the muon flux. An analysis of the long-term monitoring of the LVD’s low-energy background is also presented. |
| Databáze: | OpenAIRE |
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