MARQUET, Christine

doi:10.1088/1742-6596/888/1/012227

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MARQUET, Christine
Centre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]

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Communication dans un congrès

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J.Phys.Conf.Ser., J.Phys.Conf.Ser., 2016-07-04, London. 2017, vol. 888, n° 1, p. 012227

Résumé en anglais

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 (Hamamatsu 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.< Réduire

Mots clés en anglais

activity report

calorimeter: design

Neutrino Ettore Majorana Observatory

scintillation counter: plastics

energy resolution

photomultiplier

sensitivity

performance

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The SuperNEMO calorimeter

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