Status of 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, P. H. Chu, J. A. Detwiler, Yu Efremenko, H. Ejiri, S. R. ElliottA. 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, R. Massarczyk, 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

Publikation: Beitrag in Buch/Bericht/KonferenzbandKonferenzbeitragBegutachtung

3 Zitate (Scopus)

Abstract

The MAJORANA Collaboration is constructing the MAJORANA DEMONSTRATOR, an ultra-low background, modular, HPGe detector array with a mass of 44-kg (29 kg 76Ge and 15 kg natGe) to search for neutrinoless double beta decay in 76Ge. The next generation of tonne-scale Ge-based neutrinoless double beta decay searches will probe the neutrino mass scale in the inverted-hierarchy region. The MAJORANA DEMONSTRATOR is envisioned to demonstrate a path forward to achieve a background rate at or below 1 count/tonne/year in the 4 keV region of interest around the Q-value of 2039 keV. The MAJORANA DEMONSTRATOR follows a modular implementation to be easily scalable to the next generation experiment. First, the prototype module was assembled; it has been continuously taking data from July 2014 to June 2015. Second, Module 1 with more than half of the total enriched detectors and some natural detectors has been assembled and it is being commissioned. Finally, the assembly of Module 2, which will complete MAJORANA DEMONSTRATOR, is already in progress.

OriginalspracheEnglisch
TitelWorkshop on Calculation of Double-Beta-Decay Matrix Elements, MEDEX 2015
Redakteure/-innenJouni Suhonen, Ivan Stekl, Osvaldo Civitarese
Herausgeber (Verlag)American Institute of Physics Inc.
ISBN (elektronisch)9780735413337
DOIs
PublikationsstatusVeröffentlicht - 28 Okt. 2015
Extern publiziertJa
Veranstaltung10th Workshop on Calculation of Double-Beta-Decay Matrix Elements, MEDEX 2015 - Prague, Tschechische Republik
Dauer: 9 Juni 201512 Juni 2015

Publikationsreihe

NameAIP Conference Proceedings
Band1686
ISSN (Print)0094-243X
ISSN (elektronisch)1551-7616

Konferenz

Konferenz10th Workshop on Calculation of Double-Beta-Decay Matrix Elements, MEDEX 2015
Land/GebietTschechische Republik
OrtPrague
Zeitraum9/06/1512/06/15

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