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First CUORE-0 Performance Results and Status of CUORE Experiment

Abstract

The CUORE (Cryogenic Underground Observatory for Rare Events) experiment will search for neutrinoless double beta decay in \(^{130}\)Te. Observation of the process would unambiguously establish that neutrinos are Majorana particles as well as provide information about the absolute neutrino mass scale and mass hierarchy.The CUORE setup will consist of an array of 988 tellurium dioxide crystals (containing 206 kg of \(^{130}\)Te in total), operated as bolometers at a temperature of \(\sim \)10 mK. The experiment is now under construction at the Gran Sasso National Laboratory in Italy. As a first step towards CUORE, a tower (CUORE-0) has been assembled and is taking data. Here a detailed description of the CUORE-0 tower and its performance is reported. The status of the CUORE experiment and its expected sensitivity will then be discussed.

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Acknowledgments

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 Director, Office of Science, of the U.S. Department of Energy under Contract Nos. DE-AC02-05CH11231 and DE-AC52-07NA27344; the DOE Office of Nuclear Physics under Contract Nos. DE-FG02-08ER41551 and DEFG03-00ER41138; the National Science Foundation under Grant Nos. NSF-PHY-0605119, NSF-PHY-0500337, NSF-PHY-0855314, and NSF-PHY-0902171; the Alfred P. Sloan Foundation; and the University of Wisconsin Foundation.

Author information

Correspondence to L. Canonica.

Additional information

S. J. Freedman and F. Rimondi—Deceased.

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Canonica, L., Artusa, D.R., Avignone, F.T. et al. First CUORE-0 Performance Results and Status of CUORE Experiment. J Low Temp Phys 176, 986–994 (2014). https://doi.org/10.1007/s10909-014-1094-8

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Keywords

  • Neutrinoless double beta decay
  • Neutrino mass
  • Majorana particle
  • Bolometer