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The SABRE South Experiment at the Stawell Underground Physics Laboratory

  • E. Barberio
  • , T. Baroncelli
  • , L. J. Bignell
  • , I. Bolognino
  • , G. Brooks
  • , F. Dastgiri
  • , G. D’Imperio
  • , A. Di Giacinto
  • , A. R. Duffy
  • , T. Fruth
  • , M. Froehlich
  • , G. Fu
  • , M. S.M. Gerathy
  • , G. C. Hill
  • , S. Krishnan
  • , G. J. Lane
  • , K. T. Leaver
  • , I. Mahmood
  • , A. Mariani
  • , P. McGee
  • L. J. McKie, P. C. McNamara, M. Mews, W. J. D. Melbourne, G. Milana, L. J. Milligan, J. Mould, F. Nuti, V. Pettinacci, F. Scutti, Z. Slavkovská, N. J. Spinks, O. Stanley, A. E. Stuchbery, G. N. Taylor, C. Tomei, T. Tunningly, P. Urquijo, C. Vignoli, A. G. Williams, Y. Y. Zhong, M. J. Zurowski

Research output: Contribution to journalConference articlepeer-review

Abstract

The SABRE (Sodium iodide with Active Background REjection) experiment aims to detect an annual rate modulation from dark matter interactions in ultra-high purity NaI(Tl) crystals in order to provide a model independent test of the signal observed by DAMA/LIBRA. It is made up of two separate detectors; SABRE South located at the Stawell Underground Physics Laboratory (SUPL), in regional Victoria, Australia, and SABRE North at the Laboratori Nazionali del Gran Sasso (LNGS).

SABRE South is designed to disentangle seasonal or site-related effects from the dark matter-like modulated signal by using an active veto and muon detection system. Ultra-high purity NaI(Tl) crystals are immersed in a linear alkyl benzene (LAB) based liquid scintillator veto, further surrounded by passive steel and polyethylene shielding and a plastic scintillator muon veto. Significant work has been undertaken to understand and mitigate the background processes that take into account radiation from detector materials, from both intrinsic and cosmogenic activated processes, and to understand the performance of both the crystal and veto systems.

SUPL is a newly built facility located 1024 m underground (∼2900 m water equivalent) within the Stawell Gold Mine and its construction was completed in mid-2022. It will house rare event physics searches, including the SABRE dark matter experiment, as well as measurement facilities to support low background physics experiments and applications such as radiobiology and quantum computing. The SABRE South commissioning is expected to occur this year.

Original languageEnglish
Article number1370
Number of pages8
JournalProceedings of Science
Volume444
DOIs
Publication statusPublished - 17 Aug 2023
Event38th International Cosmic Ray Conference, ICRC 2023 - Nagoya, Japan
Duration: 26 Jul 20233 Aug 2023

Bibliographical note

Copyright:
© Copyright owned by the author(s) under the terms of the Creative Commons.

ASJC Scopus subject areas

  • General

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  • The SABRE South Experiment at the Stawell Underground Physics Laboratory

    SABRE South collaboration & Milligan, L. J., 3 Feb 2025, In: Proceedings of Science. 476, 6 p., 762.

    Research output: Contribution to journalConference articlepeer-review

    Open Access
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  • The SABRE South experiment at the Stawell Underground Physics Laboratory

    Barberio, E., Baroncelli, T., Bignell, L. J., Bolognino, I., Brooks, G., Dastgiri, F., Duffy, A. R., Froehlich, M., Fu, G., Gerathy, M. S. M., Hill, G. C., Krishnan, S., Lane, G. J., Lawrence, G., Leaver, K. T., Mahmood, I., McGee, P., McKie, L., McNamara, P. C. & Mews, M. & 14 others, Melbourne, W. J. D., Milana, G., Milligan, L. J., Mould, J., Scutti, F., Slavkovská, Z., Spinks, N. J., Stanley, O., Stuchbery, A. E., Taylor, G. N., Urquijo, P., Williams, A. G., Zhong, Y. Y. & Zurowski, M. J., 25 Nov 2022, In: Proceedings of Science. 414, 4 p., 1127.

    Research output: Contribution to journalConference articlepeer-review

    Open Access

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