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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
physics and astronomy
NEXO: Neutrinoless double beta decay search beyond 1028year half-life sensitivity
Journal of Physics G: Nuclear and Particle Physics, Volume 49, No. 1, Article 015104, Year 2022
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Description
The nEXO neutrinoless double beta (0νββ) decay experiment is designed to use a time projection chamber and 5000 kg of isotopically enriched liquid xenon to search for the decay in 136Xe. Progress in the detector design, paired with higher fidelity in its simulation and an advanced data analysis, based on the one used for the final results of EXO-200, produce a sensitivity prediction that exceeds the half-life of 1028 years. Specifically, improvements have been made in the understanding of production of scintillation photons and charge as well as of their transport and reconstruction in the detector. The more detailed knowledge of the detector construction has been paired with more assays for trace radioactivity in different materials. In particular, the use of custom electroformed copper is now incorporated in the design, leading to a substantial reduction in backgrounds from the intrinsic radioactivity of detector materials. Furthermore, a number of assumptions from previous sensitivity projections have gained further support from interim work validating the nEXO experiment concept. Together these improvements and updates suggest that the nEXO experiment will reach a half-life sensitivity of 1.35 × 1028 yr at 90% confidence level in 10 years of data taking, covering the parameter space associated with the inverted neutrino mass ordering, along with a significant portion of the parameter space for the normal ordering scenario, for almost all nuclear matrix elements. The effects of backgrounds deviating from the nominal values used for the projections are also illustrated, concluding that the nEXO design is robust against a number of imperfections of the model. © 2021 IOP Publishing Ltd.
Authors & Co-Authors
Adhikari, Govinda
United States, La Jolla
University of California, San Diego
Al Kharusi, S.
Canada, Montreal
Université Mcgill
Angelico, Evan J.
United States, Palo Alto
Stanford University
Anton, Gisela K.Stycz
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Arnquist, Isaac J.
United States, Richland
Pacific Northwest National Laboratory
Badhrees, Ibtesam
Canada, Ottawa
Carleton University
Saudi Arabia, Riyadh
King Abdulaziz City for Science and Technology
Bane, J.
United States, Amherst
University of Massachusetts Amherst
Belov, V. A.
Russian Federation, Moscow
National Research Centre Kurchatov Institute
Bernard, Ethan P.
United States, Livermore
Lawrence Livermore National Laboratory
Bhatta, T.
United States, Lexington
University of Kentucky
Bolotnikov, Aleksey E.
United States, Upton
Brookhaven National Laboratory
Breur, Pieter Alexander
United States, Menlo Park
Slac National Accelerator Laboratory
Brodsky, Jason Philip
United States, Livermore
Lawrence Livermore National Laboratory
Brown, Ethan
United States, Troy
Rensselaer Polytechnic Institute
Brunner, T.
Canada, Montreal
Université Mcgill
Canada, Vancouver
Triumf
Caden, Erica
Canada, Sudbury
Université Laurentienne
Canada, Lively
Snolab
Cao, Guofu
China, Beijing
Chinese Academy of Sciences
China, Beijing
University of Chinese Academy of Sciences
Cao, Liqiang
China, Beijing
Institute of Microelectronics Chinese Academy of Sciences
Chambers, Christopher
Canada, Montreal
Université Mcgill
Chana, Bindiya
Canada, Ottawa
Carleton University
Charlebois, Serge A.
Canada, Sherbrooke
Université de Sherbrooke
Chernyak, Dmitry M.
United States, Tuscaloosa
The University of Alabama
Chiu, Mickey
United States, Upton
Brookhaven National Laboratory
Cleveland, Bruce T.
Canada, Sudbury
Université Laurentienne
Canada, Lively
Snolab
Collister, R.
Canada, Ottawa
Carleton University
Czyz, Steven A.
United States, Livermore
Lawrence Livermore National Laboratory
Dalmasson, J.
United States, Palo Alto
Stanford University
Daniels, Tim V.
United States, Wilmington
University of North Carolina Wilmington
Darroch, L.
Canada, Montreal
Université Mcgill
DeVoe, Ralph G.
United States, Palo Alto
Stanford University
Di Vacri, Maria Laura
United States, Richland
Pacific Northwest National Laboratory
Dilling, Jens
Canada, Vancouver
Triumf
Canada, Vancouver
The University of British Columbia
Ding, Yayun
China, Beijing
Chinese Academy of Sciences
Dolgolenko, A. G.
Russian Federation, Moscow
National Research Centre Kurchatov Institute
Dolinski, Michelle J.
United States, Philadelphia
Drexel University
Dragone, Angelo B.
United States, Menlo Park
Slac National Accelerator Laboratory
Echevers, J.
United States, Urbana
University of Illinois Urbana-champaign
Elbeltagi, M.
Canada, Ottawa
Carleton University
Fabris, Lorenzo
United States, Oak Ridge
Oak Ridge National Laboratory
Fairbank, David M.
United States, Fort Collins
Colorado State University
Fairbank, William M.
United States, Fort Collins
Colorado State University
Farine, Jacques
Canada, Sudbury
Université Laurentienne
China, Beijing
University of Chinese Academy of Sciences
Ferrara, S.
United States, Richland
Pacific Northwest National Laboratory
Feyzbakhsh, S.
United States, Amherst
University of Massachusetts Amherst
Fu, Yasheng
China, Beijing
Chinese Academy of Sciences
Gallina, G.
Canada, Vancouver
Triumf
Canada, Vancouver
The University of British Columbia
Gautam, P.
United States, Philadelphia
Drexel University
Giacomini, Gabriele
United States, Upton
Brookhaven National Laboratory
Gillis, Wesley Collins
United States, Amherst
University of Massachusetts Amherst
Gingras, Charles
Canada, Montreal
Université Mcgill
Goeldi, Damian
Canada, Ottawa
Carleton University
Gornea, Razvan S.
Canada, Ottawa
Carleton University
Gratta, Giorgio
United States, Palo Alto
Stanford University
Hardy, C. A.
United States, Palo Alto
Stanford University
Harouaka, Khadouja
United States, Richland
Pacific Northwest National Laboratory
Heffner, Michael D.
United States, Livermore
Lawrence Livermore National Laboratory
Hoppe, Eric W.
United States, Richland
Pacific Northwest National Laboratory
House, A.
United States, Livermore
Lawrence Livermore National Laboratory
Iverson, Adam J.
United States, Fort Collins
Colorado State University
Jamil, Ako
United States, New Haven
Yale University
Jewell, Michael J.
United States, Palo Alto
Stanford University
United States, New Haven
Yale University
Jiang, Xiaoshan
China, Beijing
Chinese Academy of Sciences
Karelin, A. K.
Russian Federation, Moscow
National Research Centre Kurchatov Institute
Kaufman, Lisa J.
United States, Menlo Park
Slac National Accelerator Laboratory
Kotov, Ivan V.
United States, Upton
Brookhaven National Laboratory
Krücken, R.
Canada, Vancouver
Triumf
Canada, Vancouver
The University of British Columbia
Kuchenkov, A. V.
Russian Federation, Moscow
National Research Centre Kurchatov Institute
Kumar, Krishna S.
United States, Amherst
University of Massachusetts Amherst
Lan, Yang
Canada, Montreal
Université Mcgill
Larson, A.
United States, Vermillion
University of South Dakota
Leach, Kyle G.
United States, Golden
Colorado School of Mines
Lenardo, Brian G.
United States, Palo Alto
Stanford University
Leonard, Douglas S.
South Korea, Daejeon
Institute for Basic Science, Daejeon
Li, Gang
China, Beijing
Chinese Academy of Sciences
Li, Shu
United States, Urbana
University of Illinois Urbana-champaign
Li, Zepeng
China, Beijing
Chinese Academy of Sciences
Licciardi, Caio
Canada, Sudbury
Université Laurentienne
Lindsay, R.
South Africa, Bellville
University of the Western Cape
MacLellan, Ryan F.
United States, Lexington
University of Kentucky
Mahtab, Mahsa
Canada, Vancouver
Triumf
Martel-Dion, P.
Canada, Sherbrooke
Université de Sherbrooke
Masbou, Julien
France, Nantes
Imt Atlantique
Massacret, Nicolas
Canada, Vancouver
Triumf
McElroy, Thomas
Canada, Montreal
Université Mcgill
Canada, Edmonton
University of Alberta
McMichael, Kirsten
United States, Troy
Rensselaer Polytechnic Institute
Peregrina, M. Medina
Canada, Montreal
Université Mcgill
Michel, Thilo
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Mong, Brian
United States, Menlo Park
Slac National Accelerator Laboratory
Moore, David C.
United States, New Haven
Yale University
Murray, K.
Canada, Montreal
Université Mcgill
Nattress, Jason
United States, Oak Ridge
Oak Ridge National Laboratory
Natzke, Claudia R.
United States, Golden
Colorado School of Mines
Newby, R. J.
United States, Oak Ridge
Oak Ridge National Laboratory
Ni, Kaixuan
United States, La Jolla
University of California, San Diego
Nolet, Frederic
Canada, Sherbrooke
Université de Sherbrooke
Nusair, O.
United States, Tuscaloosa
The University of Alabama
Ondze, J. C.Nzobadila
South Africa, Bellville
University of the Western Cape
Odgers, Kelly
United States, Troy
Rensselaer Polytechnic Institute
Odian, Allen C.
United States, Menlo Park
Slac National Accelerator Laboratory
Orrell, John L.
United States, Richland
Pacific Northwest National Laboratory
Ortega, Gabriel S.
United States, Richland
Pacific Northwest National Laboratory
Overman, Cory T.
United States, Richland
Pacific Northwest National Laboratory
Perna, A.
Canada, Sudbury
Université Laurentienne
Piepke, Andreas G.
United States, Tuscaloosa
The University of Alabama
Pocar, Andrea
United States, Amherst
University of Massachusetts Amherst
Pratte, Jean François
Canada, Sherbrooke
Université de Sherbrooke
Priel, Nadav
United States, Palo Alto
Stanford University
Radeka, Veljko
United States, Upton
Brookhaven National Laboratory
Raguzin, Eric
United States, Upton
Brookhaven National Laboratory
Ramonnye, G. J.
South Africa, Bellville
University of the Western Cape
Rasiwala, H.
Canada, Montreal
Université Mcgill
Rescia, Sergio
United States, Upton
Brookhaven National Laboratory
Retiére, Fabriece
Canada, Vancouver
Triumf
Ringuette, Jon
United States, Golden
Colorado School of Mines
Rowson, Peter C.
United States, Menlo Park
Slac National Accelerator Laboratory
Saldanha, Richard
United States, Richland
Pacific Northwest National Laboratory
Soma, A. K.
United States, Philadelphia
Drexel University
Stekhanov, Viktor N.
Russian Federation, Moscow
National Research Centre Kurchatov Institute
Tarka, M.
United States, Amherst
University of Massachusetts Amherst
Thibado, S.
United States, Amherst
University of Massachusetts Amherst
Todd, Jacob
United States, Fort Collins
Colorado State University
Totev, T. I.
Canada, Montreal
Université Mcgill
Triambak, S.
South Africa, Bellville
University of the Western Cape
Tsang, Raymond Hei Man
United States, Tuscaloosa
The University of Alabama
Tsang, Thomas Y.F.
United States, Upton
Brookhaven National Laboratory
Veeraraghavan, V.
United States, Tuscaloosa
The University of Alabama
Vogel, Petr
United States, Pasadena
California Institute of Technology
Vuilleumier, Jean Luc
Switzerland, Bern
University of Bern
Wagenpfeil, Michael
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Wen, Liangjian
China, Beijing
Chinese Academy of Sciences
Wichoski, Ubirajara F.
Canada, Sudbury
Université Laurentienne
Wu, Shuoxing
United States, Palo Alto
Stanford University
Xia, Qing
United States, New Haven
Yale University
Yang, Liang
United States, La Jolla
University of California, San Diego
Zeldovich, Olga Ya
Russian Federation, Moscow
National Research Centre Kurchatov Institute
Zhao, Jingzhou
China, Beijing
Chinese Academy of Sciences
Ziegler, Tobias
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Statistics
Citations: 89
Authors: 137
Affiliations: 38
Identifiers
Doi:
10.1088/1361-6471/ac3631
ISSN:
09543899
Research Areas
Cancer
Study Approach
Quantitative