Simulation and background characterisation of the SABRE South experiment: SABRE South Collaboration

E. Barberio; T. Baroncelli; L. J. Bignell; I. Bolognino; G. Brooks; F. Dastgiri; G. D’Imperio; A. Di Giacinto; A. R. Duffy; M. Froehlich; G. Fu; M. S.M. Gerathy; G. C. Hill; S. Krishnan; G. J. Lane; G. Lawrence; 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; P. Urquijo; C. Vignoli; A. G. Williams; Y. Y. Zhong; M. J. Zurowski

doi:10.1140/epjc/s10052-023-11817-z

Simulation and background characterisation of the SABRE South experiment: SABRE South Collaboration

E. Barberio
, T. Baroncelli
, L. J. Bignell
, I. Bolognino
, G. Brooks
, F. Dastgiri
, G. D’Imperio
, A. Di Giacinto
, A. R. Duffy
, M. Froehlich
, G. Fu
, M. S.M. Gerathy
, G. C. Hill
, S. Krishnan
, G. J. Lane
, G. Lawrence
, 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, P. Urquijo, C. Vignoli, A. G. Williams, Y. Y. Zhong, M. J. Zurowski

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

SABRE (Sodium iodide with Active Background REjection) is a direct detection dark matter experiment based on arrays of radio-pure NaI(Tl) crystals. The experiment aims at achieving an ultra-low background rate and its primary goal is to confirm or refute the results from the DAMA/LIBRA experiment. The SABRE Proof-of-Principle phase was carried out in 2020–2021 at the Gran Sasso National Laboratory (LNGS), in Italy. The next phase consists of two full-scale experiments: SABRE South at the Stawell Underground Physics Laboratory, in Australia, and SABRE North at LNGS. This paper focuses on SABRE South and presents a detailed simulation of the detector, which is used to characterise the background for dark matter searches including DAMA/LIBRA-like modulation. We estimate an overall background of 0.72 cpd/kg/ keV _ee in the energy range 1–6 keV _ee primarily due to radioactive contamination in the crystals. Given this level of background and considering that the SABRE South has a target mass of 50 kg, we expect to exclude (confirm) DAMA/LIBRA modulation at 4(5)σ within 2.5 years of data taking.

Original language	English
Article number	878
Journal	European Physical Journal C
Volume	83
Issue number	9
DOIs	https://doi.org/10.1140/epjc/s10052-023-11817-z
Publication status	Published - Sept 2023

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Barberio, E., Baroncelli, T., Bignell, L. J., Bolognino, I., Brooks, G., Dastgiri, F., D’Imperio, G., Di Giacinto, A., 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., Mariani, A., ... Zurowski, M. J. (2023). Simulation and background characterisation of the SABRE South experiment: SABRE South Collaboration. European Physical Journal C, 83(9), Article 878. https://doi.org/10.1140/epjc/s10052-023-11817-z

@article{f7c88168061c4355a86eb24d5b54bd49,

title = "Simulation and background characterisation of the SABRE South experiment: SABRE South Collaboration",

abstract = "SABRE (Sodium iodide with Active Background REjection) is a direct detection dark matter experiment based on arrays of radio-pure NaI(Tl) crystals. The experiment aims at achieving an ultra-low background rate and its primary goal is to confirm or refute the results from the DAMA/LIBRA experiment. The SABRE Proof-of-Principle phase was carried out in 2020–2021 at the Gran Sasso National Laboratory (LNGS), in Italy. The next phase consists of two full-scale experiments: SABRE South at the Stawell Underground Physics Laboratory, in Australia, and SABRE North at LNGS. This paper focuses on SABRE South and presents a detailed simulation of the detector, which is used to characterise the background for dark matter searches including DAMA/LIBRA-like modulation. We estimate an overall background of 0.72 cpd/kg/ keV ee in the energy range 1–6 keV ee primarily due to radioactive contamination in the crystals. Given this level of background and considering that the SABRE South has a target mass of 50 kg, we expect to exclude (confirm) DAMA/LIBRA modulation at 4(5)σ within 2.5 years of data taking.",

author = "E. Barberio and T. Baroncelli and Bignell, \{L. J.\} and I. Bolognino and G. Brooks and F. Dastgiri and G. D{\textquoteright}Imperio and \{Di Giacinto\}, A. and Duffy, \{A. R.\} and M. Froehlich and G. Fu and Gerathy, \{M. S.M.\} and Hill, \{G. C.\} and S. Krishnan and Lane, \{G. J.\} and G. Lawrence and Leaver, \{K. T.\} and I. Mahmood and A. Mariani and P. McGee and McKie, \{L. J.\} and McNamara, \{P. C.\} and M. Mews and Melbourne, \{W. J.D.\} and G. Milana and Milligan, \{L. J.\} and J. Mould and F. Nuti and V. Pettinacci and F. Scutti and Z. Slavkovsk{\'a} and Spinks, \{N. J.\} and O. Stanley and Stuchbery, \{A. E.\} and Taylor, \{G. N.\} and C. Tomei and P. Urquijo and C. Vignoli and Williams, \{A. G.\} and Zhong, \{Y. Y.\} and Zurowski, \{M. J.\}",

note = "Publisher Copyright: {\textcopyright} 2023, The Author(s).",

year = "2023",

month = sep,

doi = "10.1140/epjc/s10052-023-11817-z",

language = "English",

volume = "83",

journal = "European Physical Journal C",

issn = "1434-6044",

publisher = "Springer Nature",

number = "9",

}

Barberio, E, Baroncelli, T, Bignell, LJ, Bolognino, I, Brooks, G, Dastgiri, F, D’Imperio, G, Di Giacinto, A, Duffy, AR, Froehlich, M, Fu, G, Gerathy, MSM, Hill, GC, Krishnan, S, Lane, GJ, Lawrence, G, Leaver, KT, Mahmood, I, Mariani, A, McGee, P, McKie, LJ, McNamara, PC, Mews, M, Melbourne, WJD, Milana, G, Milligan, LJ, Mould, J, Nuti, F, Pettinacci, V, Scutti, F, Slavkovská, Z, Spinks, NJ, Stanley, O, Stuchbery, AE, Taylor, GN, Tomei, C, Urquijo, P, Vignoli, C, Williams, AG, Zhong, YY & Zurowski, MJ 2023, 'Simulation and background characterisation of the SABRE South experiment: SABRE South Collaboration', European Physical Journal C, vol. 83, no. 9, 878. https://doi.org/10.1140/epjc/s10052-023-11817-z

TY - JOUR

T1 - Simulation and background characterisation of the SABRE South experiment

T2 - SABRE South Collaboration

AU - Barberio, E.

AU - Baroncelli, T.

AU - Bignell, L. J.

AU - Bolognino, I.

AU - Brooks, G.

AU - Dastgiri, F.

AU - D’Imperio, G.

AU - Di Giacinto, A.

AU - Duffy, A. R.

AU - Froehlich, M.

AU - Fu, G.

AU - Gerathy, M. S.M.

AU - Hill, G. C.

AU - Krishnan, S.

AU - Lane, G. J.

AU - Lawrence, G.

AU - Leaver, K. T.

AU - Mahmood, I.

AU - Mariani, A.

AU - McGee, P.

AU - McKie, L. J.

AU - McNamara, P. C.

AU - Mews, M.

AU - Melbourne, W. J.D.

AU - Milana, G.

AU - Milligan, L. J.

AU - Mould, J.

AU - Nuti, F.

AU - Pettinacci, V.

AU - Scutti, F.

AU - Slavkovská, Z.

AU - Spinks, N. J.

AU - Stanley, O.

AU - Stuchbery, A. E.

AU - Taylor, G. N.

AU - Tomei, C.

AU - Urquijo, P.

AU - Vignoli, C.

AU - Williams, A. G.

AU - Zhong, Y. Y.

AU - Zurowski, M. J.

PY - 2023/9

Y1 - 2023/9

N2 - SABRE (Sodium iodide with Active Background REjection) is a direct detection dark matter experiment based on arrays of radio-pure NaI(Tl) crystals. The experiment aims at achieving an ultra-low background rate and its primary goal is to confirm or refute the results from the DAMA/LIBRA experiment. The SABRE Proof-of-Principle phase was carried out in 2020–2021 at the Gran Sasso National Laboratory (LNGS), in Italy. The next phase consists of two full-scale experiments: SABRE South at the Stawell Underground Physics Laboratory, in Australia, and SABRE North at LNGS. This paper focuses on SABRE South and presents a detailed simulation of the detector, which is used to characterise the background for dark matter searches including DAMA/LIBRA-like modulation. We estimate an overall background of 0.72 cpd/kg/ keV ee in the energy range 1–6 keV ee primarily due to radioactive contamination in the crystals. Given this level of background and considering that the SABRE South has a target mass of 50 kg, we expect to exclude (confirm) DAMA/LIBRA modulation at 4(5)σ within 2.5 years of data taking.

AB - SABRE (Sodium iodide with Active Background REjection) is a direct detection dark matter experiment based on arrays of radio-pure NaI(Tl) crystals. The experiment aims at achieving an ultra-low background rate and its primary goal is to confirm or refute the results from the DAMA/LIBRA experiment. The SABRE Proof-of-Principle phase was carried out in 2020–2021 at the Gran Sasso National Laboratory (LNGS), in Italy. The next phase consists of two full-scale experiments: SABRE South at the Stawell Underground Physics Laboratory, in Australia, and SABRE North at LNGS. This paper focuses on SABRE South and presents a detailed simulation of the detector, which is used to characterise the background for dark matter searches including DAMA/LIBRA-like modulation. We estimate an overall background of 0.72 cpd/kg/ keV ee in the energy range 1–6 keV ee primarily due to radioactive contamination in the crystals. Given this level of background and considering that the SABRE South has a target mass of 50 kg, we expect to exclude (confirm) DAMA/LIBRA modulation at 4(5)σ within 2.5 years of data taking.

UR - https://www.scopus.com/pages/publications/85173928591

U2 - 10.1140/epjc/s10052-023-11817-z

DO - 10.1140/epjc/s10052-023-11817-z

M3 - Article

SN - 1434-6044

VL - 83

JO - European Physical Journal C

JF - European Physical Journal C

IS - 9

M1 - 878

ER -

Simulation and background characterisation of the SABRE South experiment: SABRE South Collaboration

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