Design and construction of a new detector to measure ultra-low radioactive-isotope contamination of argon

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Design and construction of a new detector to measure ultra-low radioactive-isotope contamination of argon. / The Darkside Collaboration ; Соколов, Андрей Валерьевич.

In: Journal of Instrumentation, Vol. 15, No. 2, P02024, 02.2020.

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

BibTeX

@article{f6dbe934115e40c39f729ebf0fb08c89,

title = "Design and construction of a new detector to measure ultra-low radioactive-isotope contamination of argon",

abstract = "Large liquid argon detectors offer one of the best avenues for the detection of galactic weakly interacting massive particles (WIMPs) via their scattering on atomic nuclei. The liquid argon target allows exquisite discrimination between nuclear and electron recoil signals via pulse-shape discrimination of the scintillation signals. Atmospheric argon (AAr), however, has a naturally occurring radioactive isotope, 39Ar, a β emitter of cosmogenic origin. For large detectors, the atmospheric 39Ar activity poses pile-up concerns. The use of argon extracted from underground wells, deprived of 39Ar, is key to the physics potential of these experiments. The DarkSide-20k dark matter search experiment will operate a dual-phase time projection chamber with 50 tonnes of radio-pure underground argon (UAr), that was shown to be depleted of 39Ar with respect to AAr by a factor larger than 1400. Assessing the 39Ar content of the UAr during extraction is crucial for the success of DarkSide-20k, as well as for future experiments of the Global Argon Dark Matter Collaboration (GADMC). This will be carried out by the DArT in ArDM experiment, a small chamber made with extremely radio-pure materials that will be placed at the centre of the ArDM detector, in the Canfranc Underground Laboratory (LSC) in Spain. The ArDM LAr volume acts as an active veto for background radioactivity, mostly γ-rays from the ArDM detector materials and the surrounding rock. This article describes the DArT in ArDM project, including the chamber design and construction, and reviews the background required to achieve the expected performance of the detector.",

keywords = "Cryogenic detectors, Dark Matter detectors (WIMPs, axions, etc.), Noble liquid detectors (scintillation, ionization, double-phase), Scintillation and light emission processes (solid, gas, liquid scintillators), Scintillators, Scintillators, scintillation and light emission processes (solid, gas and liquid scintillators)",

author = "{The Darkside Collaboration} and Aalseth, {C. E.} and S. Abdelhakim and F. Acerbi and P. Agnes and R. Ajaj and Albuquerque, {I. F.M.} and T. Alexander and A. Alici and Alton, {A. K.} and P. Amaudruz and F. Ameli and J. Anstey and P. Antonioli and M. Arba and S. Arcelli and R. Ardito and Arnquist, {I. J.} and P. Arpaia and Asner, {D. M.} and A. Asunskis and M. Ave and Back, {H. O.} and V. Barbaryan and {Barrado Olmedo}, A. and G. Batignani and Bisogni, {M. G.} and V. Bocci and A. Bondar and G. Bonfini and W. Bonivento and E. Borisova and B. Bottino and Boulay, {M. G.} and R. Bunker and S. Bussino and A. Buzulutskov and M. Cadeddu and M. Cadoni and A. Caminata and N. Canci and A. Candela and C. Cantini and M. Caravati and M. Cariello and F. Carnesecchi and M. Carpinelli and A. Castellani and P. Castello and S. Catalanotti and V. Oleynikov and Соколов, {Андрей Валерьевич}",

year = "2020",

month = feb,

doi = "10.1088/1748-0221/15/02/P02024",

language = "English",

volume = "15",

journal = "Journal of Instrumentation",

issn = "1748-0221",

publisher = "IOP Publishing Ltd.",

number = "2",

}

RIS

TY - JOUR

T1 - Design and construction of a new detector to measure ultra-low radioactive-isotope contamination of argon

AU - The Darkside Collaboration

AU - Aalseth, C. E.

AU - Abdelhakim, S.

AU - Acerbi, F.

AU - Agnes, P.

AU - Ajaj, R.

AU - Albuquerque, I. F.M.

AU - Alexander, T.

AU - Alici, A.

AU - Alton, A. K.

AU - Amaudruz, P.

AU - Ameli, F.

AU - Anstey, J.

AU - Antonioli, P.

AU - Arba, M.

AU - Arcelli, S.

AU - Ardito, R.

AU - Arnquist, I. J.

AU - Arpaia, P.

AU - Asner, D. M.

AU - Asunskis, A.

AU - Ave, M.

AU - Back, H. O.

AU - Barbaryan, V.

AU - Barrado Olmedo, A.

AU - Batignani, G.

AU - Bisogni, M. G.

AU - Bocci, V.

AU - Bondar, A.

AU - Bonfini, G.

AU - Bonivento, W.

AU - Borisova, E.

AU - Bottino, B.

AU - Boulay, M. G.

AU - Bunker, R.

AU - Bussino, S.

AU - Buzulutskov, A.

AU - Cadeddu, M.

AU - Cadoni, M.

AU - Caminata, A.

AU - Canci, N.

AU - Candela, A.

AU - Cantini, C.

AU - Caravati, M.

AU - Cariello, M.

AU - Carnesecchi, F.

AU - Carpinelli, M.

AU - Castellani, A.

AU - Castello, P.

AU - Catalanotti, S.

AU - Oleynikov, V.

AU - Соколов, Андрей Валерьевич

PY - 2020/2

Y1 - 2020/2

N2 - Large liquid argon detectors offer one of the best avenues for the detection of galactic weakly interacting massive particles (WIMPs) via their scattering on atomic nuclei. The liquid argon target allows exquisite discrimination between nuclear and electron recoil signals via pulse-shape discrimination of the scintillation signals. Atmospheric argon (AAr), however, has a naturally occurring radioactive isotope, 39Ar, a β emitter of cosmogenic origin. For large detectors, the atmospheric 39Ar activity poses pile-up concerns. The use of argon extracted from underground wells, deprived of 39Ar, is key to the physics potential of these experiments. The DarkSide-20k dark matter search experiment will operate a dual-phase time projection chamber with 50 tonnes of radio-pure underground argon (UAr), that was shown to be depleted of 39Ar with respect to AAr by a factor larger than 1400. Assessing the 39Ar content of the UAr during extraction is crucial for the success of DarkSide-20k, as well as for future experiments of the Global Argon Dark Matter Collaboration (GADMC). This will be carried out by the DArT in ArDM experiment, a small chamber made with extremely radio-pure materials that will be placed at the centre of the ArDM detector, in the Canfranc Underground Laboratory (LSC) in Spain. The ArDM LAr volume acts as an active veto for background radioactivity, mostly γ-rays from the ArDM detector materials and the surrounding rock. This article describes the DArT in ArDM project, including the chamber design and construction, and reviews the background required to achieve the expected performance of the detector.

AB - Large liquid argon detectors offer one of the best avenues for the detection of galactic weakly interacting massive particles (WIMPs) via their scattering on atomic nuclei. The liquid argon target allows exquisite discrimination between nuclear and electron recoil signals via pulse-shape discrimination of the scintillation signals. Atmospheric argon (AAr), however, has a naturally occurring radioactive isotope, 39Ar, a β emitter of cosmogenic origin. For large detectors, the atmospheric 39Ar activity poses pile-up concerns. The use of argon extracted from underground wells, deprived of 39Ar, is key to the physics potential of these experiments. The DarkSide-20k dark matter search experiment will operate a dual-phase time projection chamber with 50 tonnes of radio-pure underground argon (UAr), that was shown to be depleted of 39Ar with respect to AAr by a factor larger than 1400. Assessing the 39Ar content of the UAr during extraction is crucial for the success of DarkSide-20k, as well as for future experiments of the Global Argon Dark Matter Collaboration (GADMC). This will be carried out by the DArT in ArDM experiment, a small chamber made with extremely radio-pure materials that will be placed at the centre of the ArDM detector, in the Canfranc Underground Laboratory (LSC) in Spain. The ArDM LAr volume acts as an active veto for background radioactivity, mostly γ-rays from the ArDM detector materials and the surrounding rock. This article describes the DArT in ArDM project, including the chamber design and construction, and reviews the background required to achieve the expected performance of the detector.

KW - Cryogenic detectors

KW - Dark Matter detectors (WIMPs, axions, etc.)

KW - Noble liquid detectors (scintillation, ionization, double-phase)

KW - Scintillation and light emission processes (solid, gas, liquid scintillators)

KW - Scintillators

KW - Scintillators, scintillation and light emission processes (solid, gas and liquid scintillators)

UR - http://www.scopus.com/inward/record.url?scp=85083358525&partnerID=8YFLogxK

U2 - 10.1088/1748-0221/15/02/P02024

DO - 10.1088/1748-0221/15/02/P02024

M3 - Article

AN - SCOPUS:85083358525

VL - 15

JO - Journal of Instrumentation

JF - Journal of Instrumentation

SN - 1748-0221

IS - 2

M1 - P02024

ER -

ID: 24075512