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arXiv:2103.14429 (physics)
[Submitted on 26 Mar 2021 (v1), last revised 20 May 2021 (this version, v2)]

Title:Measurement of the distribution of $^{207}$Bi depositions on calibration sources for SuperNEMO

Authors:R. Arnold, C. Augier, A.S. Barabash, A. Basharina-Freshville, E. Birdsall, S. Blondel, M. Bongrand, D. Boursette, R. Breier, V. Brudanin, J. Busto, S. Calvez, C. Cerna, J.P. Cesar, M. Ceschia, A. Chapon, E. Chauveau, A. Chopra, L. Dawson, S. De Capua, D. Duchesneau, D. Durand, G. Eurin, J.J. Evans, D. Filosofov, R. Flack, P. Franchini, C. Girard-Carillo, H. Gómez, B. Guillon, P. Guzowski, M. Hoballah, R. Hodák, M. H. Hussain, A. Jeremie, S. Jullian, J. Kaizer, A. Klimenko, O. Kochetov, S.I. Konovalov, V. Kovalenko, D. Lalanne, K. Lang, Y. Lemière, T. Le Noblet, Z. Liptak, X. R. Liu, P. Loaiza, M. Macko, C. Macolino, C. Marquet, F. Mauger, A. Minotti, Y. Mora, B. Morgan, J. Mott, I. Nemchenok, M. Nomachi, F. Nova, F. Nowacki, H. Ohsumi, G. Oliviéro, R.B. Pahlka, V. Palušová, C. Patrick, F. Perrot, A. Pin, F. Piquemal, P. Povinec, M. Proga, W. S. Quinn, Y.A. Ramachers, A. Remoto, J.L. Reyss, R. Saakyan, A. Salamatin, R. Salazar, X. Sarazin, J. Sedgbeer, Yu. Shitov, L. Simard, F. Šimkovic, A. Smolnikov, S. Söldner-Rembold, I. Štekl, J. Suhonen, C.S. Sutton, G. Szklarz, H. Tedjditi, J. Thomas, V. Timkin, S. Torre, Vl.I. Tretyak, V.I. Tretyak, V.I. Umatov, C. Vilela, V. Vorobel, D. Waters, F. Xie, J. Žemlička
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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.
Comments: 16 pages, 12 figures, submitted to JINST, response to reviewer comments
Subjects: Instrumentation and Detectors (physics.ins-det)
Cite as: arXiv:2103.14429 [physics.ins-det]
  (or arXiv:2103.14429v2 [physics.ins-det] for this version)
  https://doi.org/10.48550/arXiv.2103.14429
Related DOI: https://doi.org/10.1088/1748-0221/16/07/T07012

Submission history

From: Miroslav Macko [view email]
[v1] Fri, 26 Mar 2021 12:26:35 UTC (7,083 KB)
[v2] Thu, 20 May 2021 16:13:45 UTC (7,253 KB)
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