학술논문
Measurement of the distribution of $^{207}$Bi depositions on calibration sources for SuperNEMO
Document Type
Working Paper
Author
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.; Noblet, T. Le; 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.
Source
Subject
Language
Abstract
The SuperNEMO experiment will search for neutrinoless double-beta decay ($0\nu\beta\beta$), and study the Standard-Model double-beta decay process ($2\nu\beta\beta$). The SuperNEMO technology can measure the energy of each of the electrons produced in a double-beta ($\beta\beta$) 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 $^{207}$Bi within a frame assembly. The quality of these sources, which depends upon the entire $^{207}$Bi 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 $^{207}$Bi 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.
Comment: 16 pages, 12 figures, submitted to JINST, response to reviewer comments
Comment: 16 pages, 12 figures, submitted to JINST, response to reviewer comments