Calorimeter commissioning of the SuperNEMO Demonstrator
X. Aguerre, A. Barabash, A. Basharina-Freshville, M. Bongrand, Ch., Bourgeois, D. Boursette, D. Breton, R. Breier, J. Busto, S. Calvez, C. Cerna,, M. Ceschia, E. Chauveau, L. Dawson, D. Duchesneau, J.J. Evans, D.V., Filosofov, X. Garrido, C. Girard-Carillo, M. Granjon
TL;DR
The paper details the initial commissioning and calibration of the SuperNEMO demonstrator calorimeter, a key component in detecting neutrinoless double beta decay, ensuring its readiness for precise measurements.
Contribution
It introduces the first commissioning and calibration procedures for the SuperNEMO calorimeter, demonstrating its functionality and calibration methods for future experiments.
Findings
Successful initial calibration using gamma sources
Verification of calorimeter energy and time resolution
Establishment of quality assurance protocols
Abstract
The SuperNEMO experiment is searching for neutrinoless double beta decay of \textsuperscript{82}Se, with the unique combination of a tracking detector and a segmented calorimeter. This feature allows to detect the two electrons emitted in the decay and measure their individual energy and angular distribution. The SuperNEMO calorimeter consists of 712 plastic scintillator blocks readout by large PMTs. After the construction of the demonstrator calorimeter underground, we have performed its first commissioning using -particles from calibration sources or from the ambient radioactive background. This article presents the quality assurance tests of the SuperNEMO demonstrator calorimeter and its first time and energy calibrations, with the associated methods.
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