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Title: Initial Results from the Majorana Demonstrator

Abstract

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 ton-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 ton-scale Ge-based neutrinoless double-beta decay search.

Authors:
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Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Oak Ridge Leadership Computing Facility (OLCF); Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP); National Science Foundation (NSF)
Contributing Org.:
Majorana Collaboration
OSTI Identifier:
1460298
Alternate Identifier(s):
OSTI ID: 1329819; OSTI ID: 1460329
Report Number(s):
LA-UR-16-27658
Journal ID: ISSN 1742-6588; ark:/13030/qt92s050qc; TRN: US1901865
Grant/Contract Number:  
AC02-05CH11231; AC52-06NA25396; FG02-97ER41041; FG02-97ER41033; FG02-97ER41042; SC0012612; FG02-10ER41715; SC0010254; FG02-97ER41020; PHY-0919270; PHY-1003940; 0855314; PHY-1202950; MRI 0923142; 1003399; 89233218CNA000001
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Physics. Conference Series
Additional Journal Information:
Journal Volume: 888; Journal Issue: 1; Journal ID: ISSN 1742-6588
Publisher:
IOP Publishing
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; Atomic and Nuclear Physics

Citation Formats

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., and Zhitnikov, I. Initial Results from the Majorana Demonstrator. United States: N. p., 2017. Web. doi:10.1088/1742-6596/888/1/012035.
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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. Initial Results from the Majorana Demonstrator. United States. https://doi.org/10.1088/1742-6596/888/1/012035
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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., and Zhitnikov, I. Wed . "Initial Results from the Majorana Demonstrator". United States. https://doi.org/10.1088/1742-6596/888/1/012035. https://www.osti.gov/servlets/purl/1460298.
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@article{osti_1460298,
title = {Initial Results from the Majorana Demonstrator},
author = {Elliott, S. R. and Abgrall, N. and Arnquist, I. J. and Avignone, F. T. and Barabash, A. S. and Bertrand, F. E. and Bradley, A. W. and Brudanin, V. and Busch, M. and Buuck, M. and Caldwell, T. S. and Chan, Y-D. and Christofferson, C. D. and Chu, P. -H. and Cuesta, C. and Detwiler, J. A. and Dunagan, C. and Efremenko, Yu. and Ejiri, H. and Fullmer, A. and Galindo-Uribarri, A. and Gilliss, T. and Giovanetti, G. K. and Green, M. P. and Gruszko, J. and Guinn, I. S. and Guiseppe, V. E. and Henning, R. and Hoppe, E. W. and Howe, M. A. and Jasinski, B. R. and Keeter, K. J. and Kidd, M. F. and Konovalov, S. I. and Kouzes, R. T. and Leon, J. and Lopez, A. M. and MacMullin, J. and Martin, R. D. and Massarczyk, R. and Meijer, S. J. and Mertens, S. and Orrell, J. L. and O’Shaughnessy, C. and Poon, A. W. P. and Radford, D. C. and Rager, J. and Rielage, K. and Robertson, R. G. H. and Romero-Romero, E. and Shanks, B. and Shirchenko, M. and Suriano, A. M. and Tedeschi, D. and Trimble, J. E. and Varner, R. L. and Vasilyev, S. and Vetter, K. and Vorren, K. and White, B. R. and Wilkerson, J. F. and Wiseman, C. and Xu, W. and Yakushev, E. and Yu, C. -H. and Yumatov, V. and Zhitnikov, I.},
abstractNote = {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 ton-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 ton-scale Ge-based neutrinoless double-beta decay search.},
doi = {10.1088/1742-6596/888/1/012035},
journal = {Journal of Physics. Conference Series},
number = 1,
volume = 888,
place = {United States},
year = {Wed Sep 20 00:00:00 EDT 2017},
month = {Wed Sep 20 00:00:00 EDT 2017}
}
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