ARNOLD, R.; AUGIER, C.; BARABASH, A.S.; BASHARINA-FRESHVILLE, A.; BIRDSALL, E.; BLONDEL, S.; BONGRAND, M.; BOURSETTE, D.; BREIER, R.; BRUDANIN, V.; BUSTO, J.; CALVEZ, S.; CERNA, C.; CESAR, J.P.; CESCHIA, M.; CHAPON, A.; CHAUVEAU, E.; CHOPRA, A.; DAWSON, L.; DE CAPUA, S.; DUCHESNEAU, D.; DURAND, D.; EURIN, G.; EVANS, J.J.; FILOSOFOV, D.; FLACK, R.; FRANCHINI, P.; GIRARD-CARILLO, C.; GÓMEZ, H.; GUILLON, B.; GUZOWSKI, P.; HOBALLAH, M.; HODÁK, R.; HUSSAIN, M.H.; JEREMIE, A.; JULLIAN, S.; KAIZER, J.; KLIMENKO, A.; KOCHETOV, O.; KONOVALOV, S.I.; KOVALENKO, V.; LALANNE, D.; LANG, K.; LEMIÈRE, Y.; LE NOBLET, T.; LIPTAK, Z.; LIU, X.R.; LOAIZA, P.; MACKO, M.; MACOLINO, C.; MARQUET, C.; MAUGER, F.; MINOTTI, A.; MORA, Y.; MORGAN, B.; MOTT, J.; NEMCHENOK, I.; NOMACHI, M.; NOVA, F.; NOWACKI, F.; OHSUMI, H.; OLIVIÉRO, G.; PAHLKA, R.B.; PALUŠOVÁ, V.; PATRICK, C.; PERROT, F.; PIN, A.; PIQUEMAL, F.; POVINEC, P.; PROGA, M.; QUINN, W.S.; RAMACHERS, Y.A.; REMOTO, A.; REYSS, J.L.; SAAKYAN, R.; SALAMATIN, A.; SALAZAR, R.; SARAZIN, X.; SEDGBEER, J.; SHITOV, Yu.; SIMARD, L.; ŠIMKOVIC, F.; SMOLNIKOV, A.; SÖLDNER-REMBOLD, S.; ŠTEKL, I.; SUHONEN, J.; SUTTON, C.S.; SZKLARZ, G.; TEDJDITI, H.; THOMAS, J.; TIMKIN, V.; TORRE, S.; TRETYAK, Vl.I.; TRETYAK, V.I.; UMATOV, V.I.; VILELA, C.; VOROBEL, V.; WATERS, D.; XIE, F.; ŽEMLIČKA, J.

doi:10.1088/1748-0221/16/07/T07012

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ARNOLD, R.
Institut Pluridisciplinaire Hubert Curien [IPHC]

AUGIER, C.
Laboratoire de Physique des 2 Infinis Irène Joliot-Curie [IJCLab]

BARABASH, A.S.

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JINST. 2021, vol. 16, n° 07, p. T07012

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The SuperNEMO experiment will search for neutrinoless double-beta decay (0νββ), and study the Standard-Model double-beta decay process (2νββ). The SuperNEMO technology can measure the energy of each of the electrons produced in a double-beta (ββ) decay, and can reconstruct the topology of their individual tracks. The study of the double-beta decay spectrum requires very accurate energy calibration to be carried out periodically. The SuperNEMO Demonstrator Module will be calibrated using 42 calibration sources, each consisting of a droplet of 207Bi within a frame assembly. The quality of these sources, which depends upon the entire ^207Bi droplet being contained within the frame, is key for correctly calibrating SuperNEMO's energy response. In this paper, we present a novel method for precisely measuring the exact geometry of the deposition of 207Bi droplets within the frames, using Timepix pixel detectors. We studied 49 different sources and selected 42 high-quality sources with the most central source positioning.< Réduire

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energy: calibration

double-beta decay: (0neutrino)

detector: pixel

Neutrino Ettore Majorana Observatory

droplet

topology

data analysis method

experimental results

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Measurement of the distribution of ^207Bi depositions on calibration sources for SuperNEMO

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