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Current Status and Future Prospects of the SNO+ Experiment

  • Author(s): Andringa, S
  • Arushanova, E
  • Asahi, S
  • Askins, M
  • Auty, DJ
  • Back, AR
  • Barnard, Z
  • Barros, N
  • Beier, EW
  • Bialek, A
  • Biller, SD
  • Blucher, E
  • Bonventre, R
  • Braid, D
  • Caden, E
  • Callaghan, E
  • Caravaca, J
  • Carvalho, J
  • Cavalli, L
  • Chauhan, D
  • Chen, M
  • Chkvorets, O
  • Clark, K
  • Cleveland, B
  • Coulter, IT
  • Cressy, D
  • Dai, X
  • Darrach, C
  • Davis-Purcell, B
  • Deen, R
  • Depatie, MM
  • Descamps, F
  • Di Lodovico, F
  • Duhaime, N
  • Duncan, F
  • Dunger, J
  • Falk, E
  • Fatemighomi, N
  • Ford, R
  • Gorel, P
  • Grant, C
  • Grullon, S
  • Guillian, E
  • Hallin, AL
  • Hallman, D
  • Hans, S
  • Hartnell, J
  • Harvey, P
  • Hedayatipour, M
  • Heintzelman, WJ
  • Helmer, RL
  • Hreljac, B
  • Hu, J
  • Iida, T
  • Jackson, CM
  • Jelley, NA
  • Jillings, C
  • Jones, C
  • Jones, PG
  • Kamdin, K
  • Kaptanoglu, T
  • Kaspar, J
  • Keener, P
  • Khaghani, P
  • Kippenbrock, L
  • Klein, JR
  • Knapik, R
  • Kofron, JN
  • Kormos, LL
  • Korte, S
  • Kraus, C
  • Krauss, CB
  • Labe, K
  • Lam, I
  • Lan, C
  • Land, BJ
  • Langrock, S
  • Latorre, A
  • Lawson, I
  • Lefeuvre, GM
  • et al.
Abstract

Copyright © 2016 S. Andringa et al. SNO+ is a large liquid scintillator-based experiment located 2 km underground at SNOLAB, Sudbury, Canada. It reuses the Sudbury Neutrino Observatory detector, consisting of a 12 m diameter acrylic vessel which will be filled with about 780 tonnes of ultra-pure liquid scintillator. Designed as a multipurpose neutrino experiment, the primary goal of SNO+ is a search for the neutrinoless double-beta decay (0ββ) of130Te. In Phase I, the detector will be loaded with 0.3% natural tellurium, corresponding to nearly 800 kg of130Te, with an expected effective Majorana neutrino mass sensitivity in the region of 55-133 meV, just above the inverted mass hierarchy. Recently, the possibility of deploying up to ten times more natural tellurium has been investigated, which would enable SNO+ to achieve sensitivity deep into the parameter space for the inverted neutrino mass hierarchy in the future. Additionally, SNO+ aims to measure reactor antineutrino oscillations, low energy solar neutrinos, and geoneutrinos, to be sensitive to supernova neutrinos, and to search for exotic physics. A first phase with the detector filled with water will begin soon, with the scintillator phase expected to start after a few months of water data taking. The 0νββ Phase I is foreseen for 2017.

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