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29 March 2024
 
  » arxiv » 1506.4279

 Article overview


Low Background Signal Readout Electronics for the MAJORANA DEMONSTRATOR
I. Guinn ; N. Abgrall ; I.J. Arnquist ; F.T. Avignone III ; 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 ; C. Cuesta ; 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 ; 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 ;
Date 13 Jun 2015
AbstractThe MAJORANA Collaboration will seek neutrinoless double beta decay (0nbb) in 76Ge using isotopically enriched p-type point contact (PPC) high purity Germanium (HPGe) detectors. A tonne-scale array of HPGe detectors would require background levels below 1 count/ROI-tonne-year in the 4 keV region of interest (ROI) around the 2039 keV Q-value of the decay. In order to demonstrate the feasibility of such an experiment, the MAJORANA DEMONSTRATOR, a 40 kg HPGe detector array, is being constructed with a background goal of <3 counts/ROI-tonne-year, which is expected to scale down to <1 count/ROI-tonne-year for a tonne-scale experiment. The signal readout electronics, which must be placed in close proximity to the detectors, present a challenge toward reaching this background goal. This talk will discuss the materials and design used to construct signal readout electronics with low enough backgrounds for the MAJORANA DEMONSTRATOR.
Source arXiv, 1506.4279
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