Initial Results from the Majorana Demonstrator

Elliott, S. R.; Abgrall, N.; Arnquist, I. J.; Avignone, F. T.; Barabash, A. S.; Bertrand, F. E.; Bradley, A. W.; 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.; Fullmer, A.; Galindo-Uribarri, A.; Gilliss, T.; Giovanetti, G. K.; Green, M. P.; Gruszko, J.; Guinn, I. S.; Guiseppe, V. E.; Henning, R.; Hoppe, E. W.; Howe, M. A.; Jasinski, B. R.; Keeter, K. J.; Kidd, M. F.; Konovalov, S. I.; Kouzes, R. T.; Leon, J.; Lopez, A. M.; MacMullin, J.; Martin, R. D.; Massarczyk, R.; Meijer, S. J.; Mertens, S.; Orrell, J. L.; O’Shaughnessy, C.; Poon, A. W. P.; Radford, D. C.; Rager, J.; Rielage, K.; Robertson, R. G. H.; Romero-Romero, E.; Shanks, B.; Shirchenko, M.; Suriano, A. M.; Tedeschi, D.; Trimble, J. E.; Varner, R. L.; Vasilyev, S.; Vetter, K.; Vorren, K.; White, B. R.; Wilkerson, J. F.; Wiseman, C.; Xu, W.; Yakushev, E.; Yu, C. -H.; Yumatov, V.; Zhitnikov, I.

doi:10.1088/1742-6596/888/1/012035

Title: Initial Results from the Majorana Demonstrator

Journal Article · Fri Sep 01 00:00:00 EDT 2017 · Journal of Physics. Conference Series

DOI:https://doi.org/10.1088/1742-6596/888/1/012035· OSTI ID:1422318

Elliott, S. R.; Abgrall, N.; Arnquist, I. J.; Avignone, F. T.; Barabash, A. S.; Bertrand, F. E.; Bradley, A. W.; 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.; Fullmer, A. more »

The Majorana Collaboration has assembled an array of high purity Ge detectors to search for neutrinoless double-beta decay in 76Ge with the goal of establishing the required background and scalability of a Ge-based next-generation tonne-scale experiment. The Majorana Demonstrator consists of 44 kg of high-purity Ge (HPGe) detectors (30 kg enriched in 76Ge) with a low-noise p-type point contact (PPC) geometry. The detectors are split between two modules which are contained in a single lead and high-purity copper shield at the Sanford Underground Research Facility in Lead, South Dakota. Following a commissioning run that started in June 2015, the full detector array has been acquiring data since August 2016. We will discuss the status of the Majorana Demonstrator and initial results from the first physics run; including current background estimates, exotic low-energy physics searches, projections on the physics reach of the Demonstrator, and implications for a tonne-scale Ge based Neutrinoless double-beta decay search.

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Research Organization:: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Oak Ridge Leadership Computing Facility (OLCF); Pacific Northwest National Lab. (PNNL), Richland, WA (United States)

Sponsoring Organization:: USDOE Office of Science (SC)

DOE Contract Number:: AC05-76RL01830

OSTI ID:: 1422318

Report Number(s):: PNNL-SA-130373; 830403000

Journal Information:: Journal of Physics. Conference Series, Vol. 888; ISSN 1742-6588

Publisher:: IOP Publishing

Country of Publication:: United States

Language:: English

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Cited By (7)

Neutrinoless double beta decay in chiral effective field theory: lepton number violation at dimension seven Cirigliano, V.; Dekens, W.; de Vries, J. Journal of High Energy Physics, Vol. 2017, Issue 12 https://doi.org/10.1007/jhep12(2017)082	journal	December 2017
Renormalized approach to neutrinoless double- β decay Cirigliano, V.; Dekens, W.; de Vries, J. Physical Review C, Vol. 100, Issue 5 https://doi.org/10.1103/physrevc.100.055504	journal	November 2019
Neutrinoless double- $β$ decay matrix elements in light nuclei Pastore, S.; Carlson, J.; Cirigliano, V. Physical Review C, Vol. 97, Issue 1 https://doi.org/10.1103/physrevc.97.014606	journal	January 2018
Long-distance contributions to neutrinoless double beta decay π − → π + e e Tuo, Xin-Yu; Feng, Xu; Jin, Lu-Chang Physical Review D, Vol. 100, Issue 9 https://doi.org/10.1103/physrevd.100.094511	journal	November 2019
Search for Neutrinoless Double- $β$ Decay in ${}^{76}{Ge}$ with the Majorana Demonstrator Aalseth, C. E.; Abgrall, N.; Aguayo, E. Physical Review Letters, Vol. 120, Issue 13 https://doi.org/10.1103/physrevlett.120.132502	journal	March 2018
Heavy Physics Contributions to Neutrinoless Double Beta Decay from QCD Nicholson, A.; Berkowitz, E.; Monge-Camacho, H. Physical Review Letters, Vol. 121, Issue 17 https://doi.org/10.1103/physrevlett.121.172501	journal	October 2018
Neutrinoless double beta decay in chiral effective field theory: lepton number violation at dimension seven Cirigliano, V.; Dekens, W.; de Vries, J. arXiv https://doi.org/10.48550/arxiv.1708.09390	text	January 2017

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