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Title: The detector calibration system for the CUORE cryogenic bolometer array

The Cryogenic Underground Observatory for Rare Events (CUORE) is a ton-scale cryogenic experiment designed to search for neutrinoless double-beta decay of 130Te and other rare events. The CUORE detector consists of 988 TeO 2 bolometers operated underground at 10 mK in a dilution refrigerator at the Laboratori Nazionali del Gran Sasso. Candidate events are identified through a precise measurement of their energy. The absolute energy response of the detectors is established by the regular calibration of each individual bolometer using gamma sources. The close-packed configuration of the CUORE bolometer array combined with the extensive shielding surrounding the detectors requires the placement of calibration sources within the array itself. The CUORE Detector Calibration System is designed to insert radioactive sources into and remove them from the cryostat while respecting the stringent heat load, radiopurity, and operational requirements of the experiment. In conclusion, this paper describes the design, commissioning, and performance of this novel source calibration deployment system for ultra-low-temperature environments.
Authors:
 [1] ;  [2] ;  [1] ;  [2] ;  [2] ;  [1] ;  [1] ;  [1] ;  [3] ;  [2] ;  [4]
  1. Yale Univ., New Haven, CT (United States). Wright Laboratory, Department of Physics
  2. Univ. of Wisconsin, Madison, WI (United States). Dept. of Physics
  3. Universita di Milano-Bicocca (Italy). Department of Physics; INFN-Sezione di Milano Bicocca (Italy)
  4. Yale Univ., New Haven, CT (United States). Wright Laboratory, Department of Physics; Univ. of Wisconsin, Madison, WI (United States). Dept. of Physics
Publication Date:
Grant/Contract Number:
SC0012654
Type:
Accepted Manuscript
Journal Name:
Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment
Additional Journal Information:
Journal Volume: 844; Journal ID: ISSN 0168-9002
Publisher:
Elsevier
Research Org:
Yale Univ., New Haven, CT (United States)
Sponsoring Org:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
Contributing Orgs:
CUORE Collaboration
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; Neutrino physics; Cryogenics; Calibration; Low background; Bolometers
OSTI Identifier:
1374698
Alternate Identifier(s):
OSTI ID: 1410877

Cushman, Jeremy S., Dally, Adam, Davis, Christopher J., Ejzak, Larissa, Lenz, Daniel, Lim, Kyungeun E., Heeger, Karsten M., Maruyama, Reina H., Nucciotti, Angelo, Sangiorgio, Samuele, and Wise, Thomas. The detector calibration system for the CUORE cryogenic bolometer array. United States: N. p., Web. doi:10.1016/j.nima.2016.11.020.
Cushman, Jeremy S., Dally, Adam, Davis, Christopher J., Ejzak, Larissa, Lenz, Daniel, Lim, Kyungeun E., Heeger, Karsten M., Maruyama, Reina H., Nucciotti, Angelo, Sangiorgio, Samuele, & Wise, Thomas. The detector calibration system for the CUORE cryogenic bolometer array. United States. doi:10.1016/j.nima.2016.11.020.
Cushman, Jeremy S., Dally, Adam, Davis, Christopher J., Ejzak, Larissa, Lenz, Daniel, Lim, Kyungeun E., Heeger, Karsten M., Maruyama, Reina H., Nucciotti, Angelo, Sangiorgio, Samuele, and Wise, Thomas. 2016. "The detector calibration system for the CUORE cryogenic bolometer array". United States. doi:10.1016/j.nima.2016.11.020. https://www.osti.gov/servlets/purl/1374698.
@article{osti_1374698,
title = {The detector calibration system for the CUORE cryogenic bolometer array},
author = {Cushman, Jeremy S. and Dally, Adam and Davis, Christopher J. and Ejzak, Larissa and Lenz, Daniel and Lim, Kyungeun E. and Heeger, Karsten M. and Maruyama, Reina H. and Nucciotti, Angelo and Sangiorgio, Samuele and Wise, Thomas},
abstractNote = {The Cryogenic Underground Observatory for Rare Events (CUORE) is a ton-scale cryogenic experiment designed to search for neutrinoless double-beta decay of 130Te and other rare events. The CUORE detector consists of 988 TeO2 bolometers operated underground at 10 mK in a dilution refrigerator at the Laboratori Nazionali del Gran Sasso. Candidate events are identified through a precise measurement of their energy. The absolute energy response of the detectors is established by the regular calibration of each individual bolometer using gamma sources. The close-packed configuration of the CUORE bolometer array combined with the extensive shielding surrounding the detectors requires the placement of calibration sources within the array itself. The CUORE Detector Calibration System is designed to insert radioactive sources into and remove them from the cryostat while respecting the stringent heat load, radiopurity, and operational requirements of the experiment. In conclusion, this paper describes the design, commissioning, and performance of this novel source calibration deployment system for ultra-low-temperature environments.},
doi = {10.1016/j.nima.2016.11.020},
journal = {Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment},
number = ,
volume = 844,
place = {United States},
year = {2016},
month = {11}
}