학술논문
ADC Nonlinearity Correction for the Majorana Demonstrator
Document Type
Periodical
Author
Abgrall, N.; Allmond, J.M.; Arnquist, I.J.; Avignone, F.T.; Barabash, A.S.; Barton, C.J.; Bertrand, F.E.; Bos, B.; Busch, M.; Buuck, M.; Caldwell, T.S.; Campbell, C.M.; Chan, Y.; Christofferson, C.D.; Chu, P.; Clark, M.L.; Crawford, H.L.; Cuesta, C.; Detwiler, J.A.; Drobizhev, A.; Edwins, D.W.; Efremenko, Y.; Ejiri, H.; Elliott, S.R.; Gilliss, T.; Giovanetti, G.K.; Green, M.P.; Gruszko, J.; Guinn, I.S.; Guiseppe, V.E.; Haufe, C.R.; Hegedus, R.J.; Henning, R.; Aguilar, D.H.; Hoppe, E.W.; Hostiuc, A.; Kidd, M.F.; Kim, I.; Kouzes, R.T.; Lopez, A.M.; Lopez-Castano, J.M.; Martin, E.L.; Martin, R.D.; Massarczyk, R.; Meijer, S.J.; Mertens, S.; Myslik, J.; Oli, T.K.; Othman, G.; Pettus, W.; Poon, A.W.P.; Radford, D.C.; Rager, J.; Reine, A.L.; Rielage, K.; Ruof, N.W.; Stortini, M.J.; Tedeschi, D.; Varner, R.L.; Vasilyev, S.; White, B.R.; Wilkerson, J.F.; Wiseman, C.; Xu, W.; Yu, C.; Zhu, B.X.; Shanks, B.
Source
IEEE Transactions on Nuclear Science IEEE Trans. Nucl. Sci. Nuclear Science, IEEE Transactions on. 68(3):359-367 Mar, 2021
Subject
Language
ISSN
0018-9499
1558-1578
1558-1578
Abstract
Imperfections in analog-to-digital conversion (ADC) cannot be ignored when signal digitization requirements demand both wide dynamic range and high resolution, as is the case for the Majorana Demonstrator 76 Ge neutrinoless double-beta decay search. Enabling the experiment’s high-resolution spectral analysis and efficient pulse shape discrimination required careful measurement and correction of ADC nonlinearities. A simple measurement protocol was developed that did not require sophisticated equipment or lengthy data-taking campaigns. A slope-dependent hysteresis was observed and characterized. A correction applied to digitized waveforms prior to signal processing reduced the differential and integral nonlinearities by an order of magnitude, eliminating these as dominant contributions to the systematic energy uncertainty at the double-beta decay $Q$ value.