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Title: Analysis techniques for background rejection at the MAJORANA DEMONSTRATOR

Abstract

The MAJORANA Collaboration is constructing the MAJORANA DEMONSTRATOR, an ultra-low background, 40-kg modular HPGe detector array to search for neutrinoless double beta decay in 76Ge. In view of the next generation of tonne-scale Ge-based 0nbb-decay searches that will probe the neutrino mass scale in the inverted-hierarchy region, a major goal of the MAJORANA DEMONSTRATOR is to demonstrate a path forward to achieving a background rate at or below 1 count/tonne/year in the 4 keV region of interest around the Q-value at 2039 keV. The background rejection techniques to be applied to the data include cuts based on data cleaning, pulse shape analysis, event coincidences, and time correlations. The Point Contact design of the DEMONSTRATOR's germanium detectors allows for significant reduction of gamma background.

Authors:
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Publication Date:
Research Org.:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1452874
Report Number(s):
PNNL-SA-111894
KB0401022
DOE Contract Number:  
AC05-76RL01830
Resource Type:
Conference
Resource Relation:
Conference: Proceedings of the 5th International Workshop in Low Radioactivity Techniques (LRT 2015), March 18-20, 2015, Seattle, WA. AIP Conference Proceedings, 1672(1):Article No. 140006
Country of Publication:
United States
Language:
English

Citation Formats

Cuesta, C., Abgrall, N., Arnquist, Isaac J., Avignone, Frank T., Baldenegro-Barrera, C. X., Barabash, Alexander S., Bertrand, F., Bradley, A. W., Brudanin, V., Busch, Matthew, Buuck, M., Byram, D., Caldwell, A. S., Chan, Yuen-Dat, Christofferson, C. D., Detwiler, Jason A., Efremenko, Yuri, Ejiri, H., Elliott, S. R., Galindo-Uribarri, A., Gilliss, T., Giovanetti, G. K., Goett, J., Green, M. P., Gruszko, J., Guinn, I., Guiseppe, V. E., Henning, R., Hoppe, Eric W., Howard, S., Howe, M. A., Jasinski, B. R., Keeter, K., Kidd, M. F., Konovalov, S., Kouzes, Richard T., LaFerriere, Brian D., Leon, Jonathan D., MacMullin, J., Martin, R. D., Meijer, S. J., Mertens, S., Orrell, John L., O'Shaughnessy, C., Poon, Alan W., Radford, D. C., Rager, J., Rielage, Keith, Robertson, R. G. H., Romero-Romero, E., Shanks, B., Shirchenko, M., Snyder, N., Suriano, Anne-Marie, Tedeschi, D., Trimble, J. E., Varner, R. L., Vasilyev, S., Vetter, K., Vorren, Kris R., White, B. R., Wilkerson, J. F., Wiseman, C., Xu, W., Yakushev, E., Yu, Chang-Hong, Yumatov, Vladimir, and Zhitnikov, I. Analysis techniques for background rejection at the MAJORANA DEMONSTRATOR. United States: N. p., 2015. Web. doi:10.1063/1.4928022.
Cuesta, C., Abgrall, N., Arnquist, Isaac J., Avignone, Frank T., Baldenegro-Barrera, C. X., Barabash, Alexander S., Bertrand, F., Bradley, A. W., Brudanin, V., Busch, Matthew, Buuck, M., Byram, D., Caldwell, A. S., Chan, Yuen-Dat, Christofferson, C. D., Detwiler, Jason A., Efremenko, Yuri, Ejiri, H., Elliott, S. R., Galindo-Uribarri, A., Gilliss, T., Giovanetti, G. K., Goett, J., Green, M. P., Gruszko, J., Guinn, I., Guiseppe, V. E., Henning, R., Hoppe, Eric W., Howard, S., Howe, M. A., Jasinski, B. R., Keeter, K., Kidd, M. F., Konovalov, S., Kouzes, Richard T., LaFerriere, Brian D., Leon, Jonathan D., MacMullin, J., Martin, R. D., Meijer, S. J., Mertens, S., Orrell, John L., O'Shaughnessy, C., Poon, Alan W., Radford, D. C., Rager, J., Rielage, Keith, Robertson, R. G. H., Romero-Romero, E., Shanks, B., Shirchenko, M., Snyder, N., Suriano, Anne-Marie, Tedeschi, D., Trimble, J. E., Varner, R. L., Vasilyev, S., Vetter, K., Vorren, Kris R., White, B. R., Wilkerson, J. F., Wiseman, C., Xu, W., Yakushev, E., Yu, Chang-Hong, Yumatov, Vladimir, & Zhitnikov, I. Analysis techniques for background rejection at the MAJORANA DEMONSTRATOR. United States. doi:10.1063/1.4928022.
Cuesta, C., Abgrall, N., Arnquist, Isaac J., Avignone, Frank T., Baldenegro-Barrera, C. X., Barabash, Alexander S., Bertrand, F., Bradley, A. W., Brudanin, V., Busch, Matthew, Buuck, M., Byram, D., Caldwell, A. S., Chan, Yuen-Dat, Christofferson, C. D., Detwiler, Jason A., Efremenko, Yuri, Ejiri, H., Elliott, S. R., Galindo-Uribarri, A., Gilliss, T., Giovanetti, G. K., Goett, J., Green, M. P., Gruszko, J., Guinn, I., Guiseppe, V. E., Henning, R., Hoppe, Eric W., Howard, S., Howe, M. A., Jasinski, B. R., Keeter, K., Kidd, M. F., Konovalov, S., Kouzes, Richard T., LaFerriere, Brian D., Leon, Jonathan D., MacMullin, J., Martin, R. D., Meijer, S. J., Mertens, S., Orrell, John L., O'Shaughnessy, C., Poon, Alan W., Radford, D. C., Rager, J., Rielage, Keith, Robertson, R. G. H., Romero-Romero, E., Shanks, B., Shirchenko, M., Snyder, N., Suriano, Anne-Marie, Tedeschi, D., Trimble, J. E., Varner, R. L., Vasilyev, S., Vetter, K., Vorren, Kris R., White, B. R., Wilkerson, J. F., Wiseman, C., Xu, W., Yakushev, E., Yu, Chang-Hong, Yumatov, Vladimir, and Zhitnikov, I. Fri . "Analysis techniques for background rejection at the MAJORANA DEMONSTRATOR". United States. doi:10.1063/1.4928022.
@article{osti_1452874,
title = {Analysis techniques for background rejection at the MAJORANA DEMONSTRATOR},
author = {Cuesta, C. and Abgrall, N. and Arnquist, Isaac J. and Avignone, Frank T. and Baldenegro-Barrera, C. X. and Barabash, Alexander S. and Bertrand, F. and Bradley, A. W. and Brudanin, V. and Busch, Matthew and Buuck, M. and Byram, D. and Caldwell, A. S. and Chan, Yuen-Dat and Christofferson, C. D. and Detwiler, Jason A. and Efremenko, Yuri and Ejiri, H. and Elliott, S. R. and Galindo-Uribarri, A. and Gilliss, T. and Giovanetti, G. K. and Goett, J. and Green, M. P. and Gruszko, J. and Guinn, I. and Guiseppe, V. E. and Henning, R. and Hoppe, Eric W. and Howard, S. and Howe, M. A. and Jasinski, B. R. and Keeter, K. and Kidd, M. F. and Konovalov, S. and Kouzes, Richard T. and LaFerriere, Brian D. and Leon, Jonathan D. and MacMullin, J. and Martin, R. D. and Meijer, S. J. and Mertens, S. and Orrell, John L. and O'Shaughnessy, C. and Poon, Alan W. and Radford, D. C. and Rager, J. and Rielage, Keith and Robertson, R. G. H. and Romero-Romero, E. and Shanks, B. and Shirchenko, M. and Snyder, N. and Suriano, Anne-Marie and Tedeschi, D. and Trimble, J. E. and Varner, R. L. and Vasilyev, S. and Vetter, K. and Vorren, Kris R. and White, B. R. and Wilkerson, J. F. and Wiseman, C. and Xu, W. and Yakushev, E. and Yu, Chang-Hong and Yumatov, Vladimir and Zhitnikov, I.},
abstractNote = {The MAJORANA Collaboration is constructing the MAJORANA DEMONSTRATOR, an ultra-low background, 40-kg modular HPGe detector array to search for neutrinoless double beta decay in 76Ge. In view of the next generation of tonne-scale Ge-based 0nbb-decay searches that will probe the neutrino mass scale in the inverted-hierarchy region, a major goal of the MAJORANA DEMONSTRATOR is to demonstrate a path forward to achieving a background rate at or below 1 count/tonne/year in the 4 keV region of interest around the Q-value at 2039 keV. The background rejection techniques to be applied to the data include cuts based on data cleaning, pulse shape analysis, event coincidences, and time correlations. The Point Contact design of the DEMONSTRATOR's germanium detectors allows for significant reduction of gamma background.},
doi = {10.1063/1.4928022},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2015},
month = {7}
}

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