Calorimeter development for the SuperNEMO double beta decay experiment

A.S. Barabash , A. Basharina-Freshville , S. Blot , M. Bongrand , Ch. Bourgeois , D. Breton , V. Brudanin , H. Bure\v{s}ov\`a

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J. Busto A.J. Caffrey S. Calvez M. Cascella C. Cerna J.P. Cesar E. Chauveau A. Chopra G. Claverie S. De Capua F. Delalee D. Duchesneau V. Egorov G. Eurin J.J. Evans L. Fajt D. Filosofov R. Flack X. Garrido H. G\'omez B. Guillon P. Guzowski R. Hod\'ak K. Hol\'y A. Huber C. Hugon A. Jeremie S. Jullian M. Kauer A. Klimenko O. Kochetov S.I. Konovalov V. Kovalenko K. Lang Y. Lemi\`ere T. Le Noblet Z. Liptak X.R. Liu P. Loaiza G. Lutter J. Maalmi M. Macko F. Mamedov C. Marquet F. Mauger I. Moreau B. Morgan J. Mott I. Nemchenok M. Nomachi F. Nova H. Ohsumi R.B. Pahlka J.R. Pater F. Perrot F. Piquemal P. Povinec P. P\v{r}idal Y.A. Ramachers A. Rebii A. Remoto B. Richards J.S. Ricol C.L. Riddle E. Rukhadze R. Saakyan R. Salazar X. Sarazin J. Sedgbeer Yu. Shitov F. \v{S}imkovic L. Simard A. Smetana K. Smolek A. Smolnikov S. Snow S. S\"oldner-Rembold B. Soul\'e M. \v{S}pavorov\'a I. \v{S}tekl J. Thomas V. Timkin S. Torre Vl.I. Tretyak V.I. Tretyak V.I. Umatov C. Vilela V. Vorobel D. Waters A. \v{Z}ukauskas

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classification ⚛️ physics.ins-det

keywords betasupernemocalorimeterdecaydouble-experimentdevelopmentprogramme

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SuperNEMO is a double-$\beta$ decay experiment, which will employ the successful tracker-calorimeter technique used in the recently completed NEMO-3 experiment. SuperNEMO will implement 100 kg of double-$\beta$ decay isotope, reaching a sensitivity to the neutrinoless double-$\beta$ decay ($0\nu\beta\beta$) half-life of the order of $10^{26}$ yr, corresponding to a Majorana neutrino mass of 50-100 meV. One of the main goals and challenges of the SuperNEMO detector development programme has been to reach a calorimeter energy resolution, $\Delta$E/E, around 3%/$sqrt(E)$(MeV) $\sigma$, or 7%/$sqrt(E)$(MeV) FWHM (full width at half maximum), using a calorimeter composed of large volume plastic scintillator blocks coupled to photomultiplier tubes. We describe the R\&D programme and the final design of the SuperNEMO calorimeter that has met this challenging goal.

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Calorimeter development for the SuperNEMO double beta decay experiment

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