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The CUORE Cryostat

Abstract

The Cryogenic Underground Observatory for Rare Events (CUORE) is a bolometric experiment for neutrinoless double-beta decay in \(^{130}\hbox {Te}\) search, currently taking data at the underground facility of Laboratori Nazionali del Gran Sasso (LNGS). The CUORE cryostat successfully cooled down a mass of about 1 ton at \(\sim 7\,\hbox {mK}\), delivering a uniform and constant base temperature. This result marks a fundamental milestone in low-temperature detector techniques, opening the path for future ton-scale bolometric experiments searching for rare events. In this paper, we present the CUORE cryogenic infrastructure, briefly describing its critical subsystems.

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Acknowledgements

The CUORE Collaboration thanks the directors and staff of the Laboratori Nazionali del Gran Sasso and the technical staff of our laboratories. This work was supported by the Istituto Nazionale di Fisica Nucleare (INFN); the National Science Foundation; the Alfred P. Sloan Foundation; the University of Wisconsin Foundation; and Yale University. This material is also based upon work supported by the US Department of Energy (DOE) Office of Science; and by the DOE Office of Science, Office of Nuclear Physics. This research used resources of the National Energy Research Scientific Computing Center (NERSC).

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Correspondence to A. D’Addabbo.

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D’Addabbo, A., Alduino, C., Bersani, A. et al. The CUORE Cryostat. J Low Temp Phys 193, 867–875 (2018). https://doi.org/10.1007/s10909-018-2054-5

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Keywords

  • Cryogen-free cryostat
  • Dilution refrigerator
  • Lead shielding
  • Vibration reduction