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The SNO+ experiment

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journal contribution
posted on 2023-06-10, 00:45 authored by A R Back, K Clark, A D Earle, Elisabeth FalkElisabeth Falk, A Gibson-Foster, Jeff HartnellJeff Hartnell, G M Lefeuvre, E J Leming, Charlie Mills, M Mlejnek, M J Mottram, Martti Nirkko, Simon PeetersSimon Peeters, Michal RiganMichal Rigan, J R Sinclair, M I Stringer, J Waterfield, R F White, The SNO+ collaboration, others
The SNO+ experiment is located 2 km underground at SNOLAB in Sudbury, Canada. A low background search for neutrinoless double beta (0) decay will be conducted using 780 tonnes of liquid scintillator loaded with 3.9 tonnes of natural tellurium, corresponding to 1.3 tonnes of [130]Te. This paper provides a general overview of the SNO+ experiment, including detector design, construction of process plants, commissioning efforts, electronics upgrades, data acquisition systems, and calibration techniques. The SNO+ collaboration is reusing the acrylic vessel, PMT array, and electronics of the SNO detector, having made a number of experimental upgrades and essential adaptations for use with the liquid scintillator. With low backgrounds and a low energy threshold, the SNO+ collaboration will also pursue a rich physics program beyond the search for 0 decay, including studies of geo- and reactor antineutrinos, supernova and solar neutrinos, and exotic physics such as the search for invisible nucleon decay. The SNO+ approach to the search for 0 decay is scalable: a future phase with high [130]Te-loading is envisioned to probe an effective Majorana mass in the inverted mass ordering region.

Funding

Sussex Experimental Particle Physics Capital Equipment 2016; G2084; STFC-SCIENCE AND TECHNOLOGY FACILITIES COUNCIL; ST/P00587X/1

Sussex Experimental Particle Physics 2015 Consolidated Grant; G1763; STFC-SCIENCE AND TECHNOLOGY FACILITIES COUNCIL; ST/N000307/1

STFC Experimental Particle Physics 2018 Consolidated Grant; G2740; STFC-SCIENCE AND TECHNOLOGY FACILITIES COUNCIL; ST/S000798/1

History

Publication status

  • Published

File Version

  • Accepted version

Journal

Journal of Instrumentation

ISSN

1748-0221

Publisher

IOP Publishing

Volume

16

Page range

P08059

Department affiliated with

  • Physics and Astronomy Publications

Research groups affiliated with

  • Experimental Particle Physics Research Group Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2021-08-27

First Open Access (FOA) Date

2022-08-27

First Compliant Deposit (FCD) Date

2021-08-27

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