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Internal Backgrounds in the Water Phase of SNO+
Instrumentation and Detectors · Submitted 28 Aug 2018
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim These results will both inform preparation for scintillator fill and support water phase physics analyses like the search for invisible nucleon decay modes.
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The abstract, sentence by sentence
SNO+ is a neutrinoless double-beta decay ($0\nu\beta\beta$) search experiment using 780 tonnes of tellurium-loaded liquid scintillator. The experiment is currently collecting data in the first of three planned phases, in which the detector is filled with ultrapure water. During this phase, the cleanliness of the water can be assayed using in situ measurements of $^{214}$Bi and $^{208}$Tl (daughter nuclei of $^{238}$U and $^{232}$Th, respectively). These results will both inform preparation for scintillator fill and support water phase physics analyses like the search for invisible nucleon decay modes.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | SNO+ is a neutrinoless double-beta decay ($0\nu\beta\beta$) search experiment using 780 tonnes of tellurium-loaded liquid scintillator. | background 0.87 | 0.24 | 0.04 | asserted 1.00 |
| s1 | The experiment is currently collecting data in the first of three planned phases, in which the detector is filled with ultrapure water. | background 0.53 | 0.59 | 0.03 | asserted 1.00 |
| s2 | During this phase, the cleanliness of the water can be assayed using in situ measurements of $^{214}$Bi and $^{208}$Tl (daughter nuclei of $^{238}$U and $^{232}$Th, respectively). | method 0.99 | 0.40 | 0.06 | asserted 0.88 |
| s3 | These results will both inform preparation for scintillator fill and support water phase physics analyses like the search for invisible nucleon decay modes. | interpretation 0.73 | 0.32 | 0.19 | asserted 0.66 |
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The paper
Original abstract
SNO+ is a neutrinoless double-beta decay ($0\nu\beta\beta$) search experiment using 780 tonnes of tellurium-loaded liquid scintillator. The experiment is currently collecting data in the first of three planned phases, in which the detector is filled with ultrapure water. During this phase, the cleanliness of the water can be assayed using in situ measurements of $^{214}$Bi and $^{208}$Tl (daughter nuclei of $^{238}$U and $^{232}$Th, respectively). These results will both inform preparation for scintillator fill and support water phase physics analyses like the search for invisible nucleon decay modes.
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