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Arnquist, I.J.; Avignone III, F.T.; Barabash, A.S.; Barton, C.J.; Bhimani, K.H.; Blalock, E.; Bos, B.; Busch, M.; Buuck, M.; Caldwell, T.S.; Chan, Y.-D.; Christofferson, C.D.; Chu, P.-H.; Clark, M.L.; Cuesta, C.; Detwiler, J.A.; Efremenko, Yu.; Ejiri, H.; Elliott, S.R.; Giovanetti, G.K.; Green, M.P.; Gruszko, J.; Guinn, I.S.; Guiseppe, V.E.; [...]

Energy calibration of germanium detectors for the Majorana Demonstrator

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  • Medientyp: E-Artikel
  • Titel: Energy calibration of germanium detectors for the Majorana Demonstrator
  • Beteiligte: Arnquist, I.J.; Avignone III, F.T.; Barabash, A.S.; Barton, C.J.; Bhimani, K.H.; Blalock, E.; Bos, B.; Busch, M.; Buuck, M.; Caldwell, T.S.; Chan, Y.-D.; Christofferson, C.D.; Chu, P.-H.; Clark, M.L.; Cuesta, C.; Detwiler, J.A.; Efremenko, Yu.; Ejiri, H.; Elliott, S.R.; Giovanetti, G.K.; Green, M.P.; Gruszko, J.; Guinn, I.S.; Guiseppe, V.E.; [...]
  • Erschienen: IOP Publishing, 2023
  • Erschienen in: Journal of Instrumentation
  • Sprache: Nicht zu entscheiden
  • DOI: 10.1088/1748-0221/18/09/p09023
  • ISSN: 1748-0221
  • Entstehung:
  • Anmerkungen:
  • Beschreibung: <jats:title>Abstract</jats:title> <jats:p>The <jats:sc>Majorana Demonstrator</jats:sc> was a search for neutrinoless double-beta decay (0<jats:italic>νββ</jats:italic>) in the <jats:sup>76</jats:sup>Ge isotope. It was staged at the 4850-foot level of the Sanford Underground Research Facility (SURF) in Lead, SD. The experiment consisted of 58 germanium detectors housed in a low background shield and was calibrated once per week by deploying a <jats:sup>228</jats:sup>Th line source for 1 to 2 hours. The energy scale calibration determination for the detector array was automated using custom analysis tools. We describe the offline procedure for calibration of the <jats:sc>Demonstrator</jats:sc> germanium detectors, including the simultaneous fitting of multiple spectral peaks, estimation of energy scale uncertainties, and the automation of the calibration procedure.</jats:p>