Photomultiplier requirements and pre-calibration for the SABRE South Liquid Scintillator Veto

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dc.contributor.authorMilligan, L.J.
dc.contributor.authorUrquijo, P.
dc.contributor.authorBarberio, E.
dc.contributor.authorBashu, V.U.
dc.contributor.authorBignell, L.J.
dc.contributor.authorBolognino, I.
dc.contributor.authorChhun, S.S.
dc.contributor.authorDastgiri, F.
dc.contributor.authorFruth, T.
dc.contributor.authorFu, G.
dc.contributor.authorHill, G.C.
dc.contributor.authorHua, Y.
dc.contributor.authorJames, R.S.
dc.contributor.authorJanssens, K.
dc.contributor.authorKapoor, S.
dc.contributor.authorLane, G.J.
dc.contributor.authorLeaver, K.T.
dc.contributor.authorMcGee, P.
dc.contributor.authorMcKie, L.J.
dc.contributor.authorMcKenzie, J.
dc.contributor.authoret al.
dc.date.issued2025
dc.description.abstractWe present a study of the oil-proof base Hamamatsu R5912 photomultiplier tubes that will be used in the SABRE South linear-alkylbenzene liquid scintillator veto. SABRE South is a dark matter direct detection experiment at the Stawell Underground Physics Laboratory, aiming to test the DAMA/LIBRA dark matter annual modulation signal. We discuss the requirements of the liquid scintillator system and its photomultipliers, outline the methods and analysis used for the characterisation measurements, and results from initial tests. We discuss the impact of these measurements on the performance of the active veto system and explore analysis methods to allow for low threshold operation. Finally, we include results from a small scale liquid scintillator detector prototype used to assess the future performance of pulse shape discrimination in the liquid scintillator veto, and how well accommodated it is by the R5912 PMTs.
dc.description.statementofresponsibilityThe SABRE South Collaboration
dc.identifier.citationJournal of Instrumentation, 2025; 20(07):P07049-0-P07049-28
dc.identifier.doi10.1088/1748-0221/20/07/p07049
dc.identifier.issn1748-0221
dc.identifier.issn1748-0221
dc.identifier.orcidBolognino, I. [0000-0002-1511-2553]
dc.identifier.orcidJanssens, K. [0000-0001-8760-4429]
dc.identifier.orcidLeaver, K.T. [0000-0003-1831-4959]
dc.identifier.orcidMcGee, P. [0000-0002-9576-442X]
dc.identifier.orcidWilliams, A.G. [0000-0002-1472-1592]
dc.identifier.urihttps://hdl.handle.net/2440/147794
dc.language.isoen
dc.publisherIOP Publishing
dc.relation.granthttp://purl.org/au-research/grants/arc/CE200100008
dc.relation.granthttp://purl.org/au-research/grants/arc/LE190100196
dc.relation.granthttp://purl.org/au-research/grants/arc/LE170100162
dc.relation.granthttp://purl.org/au-research/grants/arc/LE160100080
dc.relation.granthttp://purl.org/au-research/grants/arc/DP190103123
dc.relation.granthttp://purl.org/au-research/grants/arc/DP170101675
dc.relation.granthttp://purl.org/au-research/grants/arc/LP150100705
dc.rights© 2025 The Author(s). Published by IOP Publishing Ltd on behalf of Sissa Medialab. Original content from this work may be used under the terms of the Creative Commons Attribution 4.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
dc.source.urihttps://doi.org/10.1088/1748-0221/20/07/p07049
dc.subjectPhoton detectors for UV visible and IR photons (vacuum) (photomultipliers, HPDs, others); Scintillators, scintillation and light emission processes (solid, gas and liquid scintillators); Analysis and statistical methods; Dark Matter detectors (WIMPs, axions, etc.)
dc.titlePhotomultiplier requirements and pre-calibration for the SABRE South Liquid Scintillator Veto
dc.typeJournal article
pubs.publication-statusPublished

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