The Majorana Demonstrator search for neutrinoless double beta decay
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 Ge-76) to search for neutrinoless double beta decay in Ge-76. 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.
Keywords
Cite
@article{arxiv.1608.07340,
title = {The Majorana Demonstrator search for neutrinoless double beta decay},
author = {C. Cuesta and M. Buuck and J. A. Detwiler and J. Gruszko and I. S. Guinn and J. Leon and R. G. H. Robertson and N. Abgrall and A. W. Bradley and Y-D. Chan and S. Mertens and A. W. P. Poon and K. Vetter and I. J. Arnquist and E. W. Hoppe and R. T. Kouzes and J. L. Orrell and F. T. Avignone and A. S. Barabash and S. I. Konovalov and V. Yumatov and F. E. Bertrand and A. Galindo-Uribarri and D. C. Radford and R. L. Varner and C. -H. Yu and V. Brudanin and M. Shirchenko and S. Vasilyev and E. Yakushev and I. Zhitnikov and M. Busch and T. S. Caldwell and T. Gilliss and R. Henning and M. A. Howe and J. MacMullin and S. J. Meijer and C. O'Shaughnessy and J. Rager and B. Shanks and J. E. Trimble and K. Vorren and W. Xu and C. D. Christofferson and C. Dunagan and A. M. Suriano and P. -H. Chu and S. R. Elliott and R. Massarczyk and K. Rielage and B. R. White and Yu. Efremenko and A. M. Lopez and H. Ejiri and A. Fullmer and G. K. Giovanetti and M. P. Green and V. E. Guiseppe and D. Tedeschi and C. Wiseman and B. R. Jasinski and K. J. Keeter and M. F. Kidd and R. D. Martin and E. Romero-Romero and J. F. Wilkerson},
journal= {arXiv preprint arXiv:1608.07340},
year = {2016}
}
Comments
10 pages, 4 figures, Proceedings of the XIIIth International Conference on Heavy Quarks and Leptons