PoS - Proceedings of Science
Volume 282 - 38th International Conference on High Energy Physics (ICHEP2016) - Poster Session
The SuperNEMO calorimeter
C. Marquet* On behalf of the SuperNemo Collaboration
*corresponding author
Full text: pdf
Pre-published on: February 06, 2017
Published on: April 19, 2017
The SuperNEMO double beta decay project is a modular tracker-calorimeter experiment that will
reach a sensitivity to the neutrinoless double beta decay half-life of $10^{26}$ years, corresponding to
a Majorana neutrino mass of 50-100 meV. The main calorimeter is based on 440 Optical Modules
made of large volume plastic scintillators (10L) coupled with large area photomultipliers (Hama-
matsu R5912-Mod). They are assembled in walls surrounding the isotope foil and the tracking
volume. One of the main challenges of the SuperNEMO detector development programme was to
reach an energy resolution, better than 8%(FWHM) at 1 MeV. The other challenge was to satisfy
the radiopurity requirements for all the calorimeter materials. The calorimeter design of the first
SuperNEMO module is presented as well as its performances and the status of its construction
under way in the Modane underground laboratory.
DOI: https://doi.org/10.22323/1.282.1037
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