The majorana demonstrator search for neutrinoless double beta decay

C. Cuesta, M. Buuck, J. A. Detwiler, J. Gruszko, I. S. Guinn, J. Leon, R. G.H. Robertson, N. Abgrall, A. W. Bradley, Y. D. Chan, S. Mertens, A. W.P. Poon, K. Vetter, I. J. Arnquist, E. W. Hoppe, R. T. Kouzes, J. L. Orrell, F. T. Avignone, A. S. Barabash, S. I. KonovalovV. Yumatov, F. E. Bertrand, A. Galindo-Uribarri, D. C. Radford, R. L. Varner, C. H. Yu, V. Brudanin, M. Shirchenko, S. Vasilyev, E. Yakushev, I. Zhitnikov, M. Busch, T. S. Caldwell, T. Gilliss, R. Henning, M. A. Howe, J. MacMullin, S. J. Meijer, C. OShaughnessy, J. Rager, B. Shanks, J. E. Trimble, K. Vorren, W. Xu, C. D. Christofferson, C. Dunagan, A. M. Suriano, P. H. Chu, S. R. Elliott, R. Massarczyk, K. Rielage, B. R. White, Yu Efremenko, A. M. Lopez, H. Ejiri, A. Fullmer, G. K. Giovanetti, M. P. Green, V. E. Guiseppe, D. Tedeschi, C. Wiseman, B. R. Jasinski, K. J. Keeter, M. F. Kidd, R. D. Martin, E. Romero-Romero, J. F. Wilkerson

Research output: Contribution to journalConference articlepeer-review

Abstract

The MAJORANA Collaboration is constructing the MAJORANA DEMONSTRATOR, an ultra-low background, modular, HPGe detector array with a mass of 44.8-kg (29.7 kg enriched -88% in 76Ge) to search for neutrinoless double beta decay in 76Ge. The next generation of tonnescale 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 data taken with the DEMONSTRATOR are introduced here.

Original languageEnglish
JournalProceedings of Science
VolumePart F128555
StatePublished - 2016
Externally publishedYes
Event13th International Conference on Heavy Quarks and Leptons, HQL 2016 - Blacksburg, United States
Duration: 22 May 201627 May 2016

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