The calibration house in JUNO
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arXiv
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| Format: | Preprint |
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2025
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| author | Hui, J. Li, R. Wu, Y. Zhang, T. Chen, Z. Freegard, A. Huang, J. Lai, H. Liao, Y. Liu, J. Meng, Y. Takenaka, A. Xiang, Z. Zhang, P. Zhang, Y. |
| author_facet | Hui, J. Li, R. Wu, Y. Zhang, T. Chen, Z. Freegard, A. Huang, J. Lai, H. Liao, Y. Liu, J. Meng, Y. Takenaka, A. Xiang, Z. Zhang, P. Zhang, Y. |
| contents | As an auxiliary system within the calibration system of the Jiangmen Underground Neutrino Observatory, a calibration house is designed to provide interfaces for connecting the central detector and accommodating various calibration sub-systems. Onsite installation has demonstrated that the calibration house interfaces are capable of effectively connecting to the central detector and supporting the installation of complex and sophisticated calibration sub-systems. Additionally, controlling the levels of radon and oxygen within the calibration house is critical. Radon can increase the experimental background, while oxygen can degrade the quality of the liquid scintillator. The oxygen concentration can be maintained at levels below 10 parts per million, and the radon concentration can be kept below 15 mBq/m$^{3}$. This paper will provide detailed information on the calibration house and its methods for radon and oxygen concentration control. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_09208 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | The calibration house in JUNO Hui, J. Li, R. Wu, Y. Zhang, T. Chen, Z. Freegard, A. Huang, J. Lai, H. Liao, Y. Liu, J. Meng, Y. Takenaka, A. Xiang, Z. Zhang, P. Zhang, Y. Instrumentation and Detectors High Energy Physics - Experiment As an auxiliary system within the calibration system of the Jiangmen Underground Neutrino Observatory, a calibration house is designed to provide interfaces for connecting the central detector and accommodating various calibration sub-systems. Onsite installation has demonstrated that the calibration house interfaces are capable of effectively connecting to the central detector and supporting the installation of complex and sophisticated calibration sub-systems. Additionally, controlling the levels of radon and oxygen within the calibration house is critical. Radon can increase the experimental background, while oxygen can degrade the quality of the liquid scintillator. The oxygen concentration can be maintained at levels below 10 parts per million, and the radon concentration can be kept below 15 mBq/m$^{3}$. This paper will provide detailed information on the calibration house and its methods for radon and oxygen concentration control. |
| title | The calibration house in JUNO |
| topic | Instrumentation and Detectors High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2507.09208 |