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Leakage tests of the stainless steel vessels of the antineutrino detectors in the Daya Bay reactor neutrino experiment

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Abstract

The antineutrino detectors for the Daya Bay reactor neutrino experiment are liquid scintillator detectors designed to detect electron anti-neutrino via inverse beta interactions with high efficiency and low backgrounds. Since the antineutrino detector will be installed and immerged in water Cherenkov detector and will run for 3 to 5 years, water tightness is critical to the successful operation of the antineutrino detectors. A special seal technique was used for this purpose. Three leak checking methods have been employed to ensure the seal quality. This paper describes the sealing method and leakage testing results.

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Correspondence to XiaoHui Chen.

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Chen, X., Luo, X., Heng, Y. et al. Leakage tests of the stainless steel vessels of the antineutrino detectors in the Daya Bay reactor neutrino experiment. Sci. China Technol. Sci. 56, 148–151 (2013). https://doi.org/10.1007/s11431-012-5007-2

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  • DOI: https://doi.org/10.1007/s11431-012-5007-2

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