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Analysis techniques for background rejection at the MAJORANA DEMONSTRATOR

  • C. Cuesta
  • , N. Abgrall
  • , I. J. Arnquist
  • , F. T. Avignone
  • , C. X. Baldenegro-Barrera
  • , A. S. Barabash
  • , F. E. Bertrand
  • , A. W. Bradley
  • , V. Brudanin
  • , M. Busch
  • , M. Buuck
  • , D. Byram
  • , A. S. Caldwell
  • , Y. D. Chan
  • , C. D. Christofferson
  • , J. A. Detwiler
  • , Yu Efremenko
  • , H. Ejiri
  • , S. R. Elliott
  • , A. Galindo-Uribarri
  • T. Gilliss, G. K. Giovanetti, J. Goett, M. P. Green, J. Gruszko, I. S. Guinn, V. E. Guiseppe, R. Henning, E. W. Hoppe, S. Howard, M. A. Howe, B. R. Jasinski, K. J. Keeter, M. F. Kidd, S. I. Konovalov, R. T. Kouzes, B. D. Laferriere, J. Leon, J. Macmullin, R. D. Martin, S. J. Meijer, S. Mertens, J. L. Orrell, C. O'Shaughnessy, A. W.P. Poon, D. C. Radford, J. Rager, K. Rielage, R. G.H. Robertson, E. Romero-Romero, B. Shanks, M. Shirchenko, N. Snyder, A. M. Suriano, D. Tedeschi, J. E. Trimble, R. L. Varner, S. Vasilyev, K. Vetter, K. Vorren, B. R. White, J. F. Wilkerson, C. Wiseman, W. Xu, E. Yakushev, C. H. Yu, V. Yumatov, I. Zhitnikov
  • University of Washington
  • Lawrence Berkeley National Laboratory
  • Pacific Northwest National Laboratory
  • University of South Carolina
  • Oak Ridge National Laboratory
  • ITEP
  • Joint Inst. for Nuclear Research
  • Duke University
  • Triangle Universities Nuclear Laboratory
  • University of South Dakota
  • South Dakota School of Mines and Technology
  • University of Tennessee
  • Osaka University
  • Los Alamos National Laboratory
  • University of North Carolina
  • Black Hills State University
  • Tennessee Technological University
  • Department of Nuclear Engineering

Publikation: Beitrag in Buch/Bericht/KonferenzbandKonferenzbeitragBegutachtung

Abstract

The MAJORANA Collaboration is constructing the MAJORANA DEMONSTRATOR, an ultra-low background, 40- kg modular HPGe detector array to search for neutrinoless double beta decay in 76Ge. In view of the next generation of tonne-scale Ge-based 0νβ β-decay searches that will probe the neutrino mass scale in the inverted-hierarchy region, a major goal of the MAJORANA DEMONSTRATOR is to demonstrate a path forward to achieving a background rate at or below 1 count/tonne/year in the 4 keV region of interest around the Q-value at 2039 keV. The background rejection techniques to be applied to the data include cuts based on data reduction, pulse shape analysis, event coincidences, and time correlations. The Point Contact design of the DEMONSTRATOR's germanium detectors allows for significant reduction of gamma background.

OriginalspracheEnglisch
TitelLow Radioactivity Techniques 2015, LRT 2015
UntertitelProceedings of the 5th International Workshop in Low Radioactivity Techniques
Redakteure/-innenJohn L. Orrell
Herausgeber (Verlag)American Institute of Physics Inc.
ISBN (elektronisch)9780735413191
DOIs
PublikationsstatusVeröffentlicht - 17 Aug. 2015
Extern publiziertJa
Veranstaltung5th International Workshop in Low Radioactivity Techniques, LRT 2015 - Seattle, USA/Vereinigte Staaten
Dauer: 18 März 201520 März 2015

Publikationsreihe

NameAIP Conference Proceedings
Band1672
ISSN (Print)0094-243X
ISSN (elektronisch)1551-7616

Konferenz

Konferenz5th International Workshop in Low Radioactivity Techniques, LRT 2015
Land/GebietUSA/Vereinigte Staaten
OrtSeattle
Zeitraum18/03/1520/03/15

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