Measurement of radon-induced backgrounds in the NEXT double beta decay experiment

Novella, P.; Palmeiro, B.; Simón, A.; Sorel, M.; Adams, C.; Ferrario, P.; Martínez-Lema, G.; Monrabal, F.; Zuzel, G.; Gómez-Cadenas, J. J.; Álvarez, V.; Arazi, L.; Azevedo, C. D.  R.; Bailey, K.; Ballester, F.; Benlloch-Rodríguez, J. M.; Borges, F. I.  G.  M.; Botas, A.; Cárcel, S.; Carrión, J. V.; Cebrián, S.; Conde, C. A.  N.; Díaz, J.; Diesburg, M.; Escada, J.; Esteve, R.; Felkai, R.; Fernandes, A. F.  M.; Fernandes, L. M.  P.; Ferreira, A. L.; Freitas, E. D.  C.; Generowicz, J.; Goldschmidt, A.; González-Díaz, D.; Guenette, R.; Gutiérrez, R. M.; Hafidi, K.; Hauptman, J.; Henriques, C. A.  O.; Hernandez, A. I.; Hernando Morata, J. A.; Herrero, V.; Johnston, S.; Jones, B. J.  P.; Kekic, M.; Labarga, L.; Laing, A.; Lebrun, P.; López-March, N.; Losada, M.; Mano, R. D.  P.; Martíın-Albo, J.; Martínez, A.; McDonald, A.; Monteiro, C. M.  B.; Mora, F. J.; Muñoz Vidal, J.; Musti, M.; Nebot-Guinot, M.; Nygren, D. R.; Para, A.; Pérez, J.; Psihas, F.; Querol, M.; Renner, J.; Repond, J.; Riordan, S.; Ripoll, L.; Rodríguez, J.; Rogers, L.; Romo-Luque, C.; Santos, F. P.; dos Santos, J. M.  F.; Sofka, C.; Stiegler, T.; Toledo, J. F.; Torrent, J.; Veloso, J. F.  C.  A.; Webb, R.; White, J. T.; Yahlali, N.

doi:10.1007/JHEP10(2018)112

Title: Measurement of radon-induced backgrounds in the NEXT double beta decay experiment

Journal Article · Wed Oct 17 00:00:00 EDT 2018 · Journal of High Energy Physics (Online)

DOI:https://doi.org/10.1007/JHEP10(2018)112· OSTI ID:1437298

Novella, P.; Palmeiro, B.; Simón, A.;

; Adams, C.; Ferrario, P.; Martínez-Lema, G.; Monrabal, F.; Zuzel, G.; Gómez-Cadenas, J. J.; Álvarez, V.; Arazi, L.; Azevedo, C. D. R.; Bailey, K.; Ballester, F.; Benlloch-Rodríguez, J. M.; Borges, F. I. G. M.; Botas, A.; Cárcel, S.; Carrión, J. V. more »

© 2018, The Author(s). The measurement of the internal 222Rn activity in the NEXT-White detector during the so-called Run-II period with 136Xe-depleted xenon is discussed in detail, together with its implications for double beta decay searches in NEXT. The activity is measured through the alpha production rate induced in the fiducial volume by 222Rn and its alpha-emitting progeny. The specific activity is measured to be (38.1 ± 2.2 (stat.) ± 5.9 (syst.)) mBq/m3. Radon-induced electrons have also been characterized from the decay of the 214Bi daughter ions plating out on the cathode of the time projection chamber. From our studies, we conclude that radon-induced backgrounds are sufficiently low to enable a successful NEXT-100 physics program, as the projected rate contribution should not exceed 0.1 counts/yr in the neutrinoless double beta decay sample.[Figure not available: see fulltext.]

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Research Organization:: Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Argonne National Laboratory (ANL), Argonne, IL (United States)

Sponsoring Organization:: USDOE Office of Science (SC), High Energy Physics (HEP); European Research Council (ERC); USDOE Office of Science (SC), Nuclear Physics (NP)

Contributing Organization:: The NEXT collaboration

Grant/Contract Number:: AC02-06CH11357; AC02-07CH11359; FG02-13ER42020; SC0017721; 339787-NEXT; 674896; 690575; 740055; FIS2014-53371-C04; PROMETEO/2016/120; SEJI/2017/011; TEAM/2016-2/17; AC02-05CH11231

OSTI ID:: 1437298

Alternate ID(s):: OSTI ID: 1483993; OSTI ID: 1550818

Report Number(s):: arXiv:1804.00471; FERMILAB-PUB-18-093-CD-ND; 1665520; TRN: US1900297

Journal Information:: Journal of High Energy Physics (Online), Vol. 2018, Issue 10; ISSN 1029-8479

Publisher:: Springer BerlinCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 13 works

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References (15)

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Cited By (4)

High Pressure Gas Xenon TPCs for Double Beta Decay Searches Gomez-Cadenas, J. J.; Monrabal, F.; Ferrario, P. arXiv https://doi.org/10.48550/arxiv.1903.02435	preprint	January 2019
High Pressure Gas Xenon TPCs for Double Beta Decay Searches Gomez-Cadenas, Juan J.; Monrabal Capilla, Francesc; Ferrario, Paola Frontiers in Physics, Vol. 7 https://doi.org/10.3389/fphy.2019.00051	journal	April 2019
Barium Chemosensors with Dry-Phase Fluorescence for Neutrinoless Double Beta Decay Thapa, P.; Arnquist, I.; Byrnes, N. arXiv https://doi.org/10.48550/arxiv.1904.05901	preprint	January 2019
Barium Chemosensors with Dry-Phase Fluorescence for Neutrinoless Double Beta Decay Thapa, P.; Arnquist, I.; Byrnes, N. Scientific Reports, Vol. 9, Issue 1 https://doi.org/10.1038/s41598-019-49283-x	journal	October 2019

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