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Title: Initial Results from the Majorana Demonstrator

Abstract

Neutrinoless double-beta decay searches seek to determine the nature of neutrinos, the existence of a lepton violating process, and the eective Majorana neutrino mass. The Majorana Collaboration is assembling an array of high purity Ge detectors to search for neutrinoless double-beta decay in 76Ge. The Majorana Demonstrator is composed of 44.8 kg (29.7 kg enriched in 76Ge) of Ge detectors in total, split between two modules contained in a low background shield at the Sanford Underground Research Facility in Lead, South Dakota. The initial goals of the Demonstrator are to establish the required background and scalability of a Ge-based, next-generation, tonne-scale experiment. Following a commissioning run that began in 2015, the rst detector module started physics data production in early 2016. We will discuss initial results of the Module 1 commissioning and rst physics run, as well as the status and potential physics reach of the full Majorana Demonstrator experiment. The collaboration plans to complete the assembly of the second detector module by mid-2016 to begin full data production with the entire array.

Authors:
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Publication Date:
Research Org.:
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 Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1440693
Report Number(s):
PNNL-SA-123175
Journal ID: ISSN 1742-6588; 830403000
DOE Contract Number:  
AC05-76RL01830
Resource Type:
Journal Article
Journal Name:
Journal of Physics. Conference Series
Additional Journal Information:
Journal Volume: 888; Journal ID: ISSN 1742-6588
Publisher:
IOP Publishing
Country of Publication:
United States
Language:
English
Subject:
Majorana Demonstrator; Neutrinoless Double Beta Decay

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.
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. doi:10.1088/1742-6596/888/1/012035.
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. Fri . "Initial Results from the Majorana Demonstrator". United States. doi:10.1088/1742-6596/888/1/012035.
@article{osti_1440693,
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 = {Neutrinoless double-beta decay searches seek to determine the nature of neutrinos, the existence of a lepton violating process, and the eective Majorana neutrino mass. The Majorana Collaboration is assembling an array of high purity Ge detectors to search for neutrinoless double-beta decay in 76Ge. The Majorana Demonstrator is composed of 44.8 kg (29.7 kg enriched in 76Ge) of Ge detectors in total, split between two modules contained in a low background shield at the Sanford Underground Research Facility in Lead, South Dakota. The initial goals of the Demonstrator are to establish the required background and scalability of a Ge-based, next-generation, tonne-scale experiment. Following a commissioning run that began in 2015, the rst detector module started physics data production in early 2016. We will discuss initial results of the Module 1 commissioning and rst physics run, as well as the status and potential physics reach of the full Majorana Demonstrator experiment. The collaboration plans to complete the assembly of the second detector module by mid-2016 to begin full data production with the entire array.},
doi = {10.1088/1742-6596/888/1/012035},
journal = {Journal of Physics. Conference Series},
issn = {1742-6588},
number = ,
volume = 888,
place = {United States},
year = {2017},
month = {9}
}

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