Recent results from the MAJORANA DEMONSTRATOR

The MAJORANA DEMONSTRATOR is an experiment constructed to search for neutrinoless double-beta decay in $^{76}$Ge and to demonstrate the feasibility to deploy a large-scale experiment in a phased and modular fashion. It consists of two modules of natural and $^{76}$Ge-enriched germanium detectors tot...

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Hauptverfasser:	Myslik, Jordan, Alvis, S.I., Arnquist, I.J., Avignone III, F.T., Barabash, A.S., Barton, C.J., Bertrand, F.E., Bode, T., Bos, B., Brudanin, V., Busch, M., Buuck, M., Caldwell, T.S., Chan, Y-D., Christofferson, C.D., Chu, P.-H., Cuesta, C., Detwiler, J.A., Dunagan, C., Efremenko, Yu, Ejiri, H., Elliott, S. R., Gilliss, T., Giovanetti, G.K., Green, M.P., Gruszko, J., Guinn, I.S., Guiseppe, V.E., Haufe, C.R., Hegedus, R.J., Hehn, L., Henning, R., Hervas Aguilar, D., Hoppe, E.W., Howe, M.A., Keeter, K. J., Kidd, M. F., Konovalov, S.I., Kouzes, R.T., Lopez, A. M., Martin, R.D., Massarczyk, R., Meijer, S.J., Mertens, S., Othman, G., Pettus, W., Piliounis, A., Poon, A.W.P., Radford, D. C., Rager, J., Reine, A. L., Rielage, K., Ruof, N.W., Shanks, B., Shirchenko, M., Tedeschi, D., Varner, R. L., Vasilyev, S., Vasundhara, White, B.R., Wilkerson, J.F., Wiseman, C., Xu, W., Yakushev, E., Yu, C.-H., Yumatov, V., Zhitnikov, I., Zhu, B. X.
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	The MAJORANA DEMONSTRATOR is an experiment constructed to search for neutrinoless double-beta decay in $^{76}$Ge and to demonstrate the feasibility to deploy a large-scale experiment in a phased and modular fashion. It consists of two modules of natural and $^{76}$Ge-enriched germanium detectors totalling 44.1 kg, operating at the 4850' level of the Sanford Underground Research Facility in Lead, South Dakota, USA. Commissioning of the experiment began in June 2015, followed by data production with the full detector array in August 2016. The ultra-low background and record energy resolution achieved by the MAJORANA DEMONSTRATOR enable a sensitive neutrinoless double-beta decay search, as well as additional searches for physics beyond the Standard Model. I will discuss the design elements that enable these searches, along with the latest results, focusing on the neutrinoless double-beta decay search. I will also discuss the current status and the future plans of the MAJORANA DEMONSTRATOR, as well as the plans for a future tonne-scale $^{76}$Ge experiment.
ISSN:	1824-8039 1824-8039