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Spatial and Temporal Evaluations of the Liquid Argon Purity in ProtoDUNE-SP

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Spatial and Temporal Evaluations of the Liquid Argon Purity in ProtoDUNE-SP. / DUNE Collaboration ; Blake, A.; Brailsford, D. et al.
In: Journal of Instrumentation, Vol. 20, No. 09, P09008, 30.09.2025.

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DUNE Collaboration, Blake A, Brailsford D, Gu L, Mawby I, Mouster G et al. Spatial and Temporal Evaluations of the Liquid Argon Purity in ProtoDUNE-SP. Journal of Instrumentation. 2025 Sept 30;20(09):P09008. Epub 2025 Sept 4. doi: 10.1088/1748-0221/20/09/P09008

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DUNE Collaboration ; Blake, A. ; Brailsford, D. et al. / Spatial and Temporal Evaluations of the Liquid Argon Purity in ProtoDUNE-SP. In: Journal of Instrumentation. 2025 ; Vol. 20, No. 09.

Bibtex

@article{2f9441c9e8a84dd38745561af08616ad,
title = "Spatial and Temporal Evaluations of the Liquid Argon Purity in ProtoDUNE-SP",
abstract = " Liquid argon time projection chambers (LArTPCs) rely on highly pure argon to ensure that ionization electrons produced by charged particles reach readout arrays. ProtoDUNE Single-Phase (ProtoDUNE-SP) was an approximately 700-ton liquid argon detector intended to prototype the Deep Underground Neutrino Experiment (DUNE) Far Detector Horizontal Drift module. It contains two drift volumes bisected by the cathode plane assembly, which is biased to create an almost uniform electric field in both volumes. The DUNE Far Detector modules must have robust cryogenic systems capable of filtering argon and supplying the TPC with clean liquid. This paper will explore comparisons of the argon purity measured by the purity monitors with those measured using muons in the TPC from October 2018 to November 2018. A new method is introduced to measure the liquid argon purity in the TPC using muons crossing both drift volumes of ProtoDUNE-SP. For extended periods on the timescale of weeks, the drift electron lifetime was measured to be above 30 ms using both systems. A particular focus will be placed on the measured purity of argon as a function of position in the detector. ",
keywords = "physics.ins-det, hep-ex",
author = "{DUNE Collaboration} and S. Abbaslu and Abud, {A. Abed} and R. Acciarri and Accorsi, {L. P.} and Acero, {M. A.} and Adames, {M. R.} and G. Adamov and M. Adamowski and C. Adriano and F. Akbar and F. Alemanno and Alex, {N. S.} and K. Allison and M. Alrashed and A. Alton and R. Alvarez and T. Alves and H. Amar and P. Amedo and Andrade, {D. A.} and C. Andreopoulos and M. Andreotti and Andrews, {M. P.} and F. Andrianala and S. Andringa and F. Anjarazafy and S. Ansarifard and D. Antic and M. Antoniassi and A. Aranda-Fernandez and L. Arellano and Diaz, {E. Arrieta} and Arroyave, {M. A.} and M. Arteropons and J. Asaadi and M. Ascencio and A. Ashkenazi and D. Asner and L. Asquith and E. Atkin and D. Auguste and A. Blake and D. Brailsford and L. Gu and I. Mawby and G. Mouster and A. Nowak and Nowak, {J. A.} and P. Ratoff",
year = "2025",
month = sep,
day = "4",
doi = "10.1088/1748-0221/20/09/P09008",
language = "English",
volume = "20",
journal = "Journal of Instrumentation",
issn = "1748-0221",
publisher = "Institute of Physics Publishing",
number = "09",

}

RIS

TY - JOUR

T1 - Spatial and Temporal Evaluations of the Liquid Argon Purity in ProtoDUNE-SP

AU - DUNE Collaboration

AU - Abbaslu, S.

AU - Abud, A. Abed

AU - Acciarri, R.

AU - Accorsi, L. P.

AU - Acero, M. A.

AU - Adames, M. R.

AU - Adamov, G.

AU - Adamowski, M.

AU - Adriano, C.

AU - Akbar, F.

AU - Alemanno, F.

AU - Alex, N. S.

AU - Allison, K.

AU - Alrashed, M.

AU - Alton, A.

AU - Alvarez, R.

AU - Alves, T.

AU - Amar, H.

AU - Amedo, P.

AU - Andrade, D. A.

AU - Andreopoulos, C.

AU - Andreotti, M.

AU - Andrews, M. P.

AU - Andrianala, F.

AU - Andringa, S.

AU - Anjarazafy, F.

AU - Ansarifard, S.

AU - Antic, D.

AU - Antoniassi, M.

AU - Aranda-Fernandez, A.

AU - Arellano, L.

AU - Diaz, E. Arrieta

AU - Arroyave, M. A.

AU - Arteropons, M.

AU - Asaadi, J.

AU - Ascencio, M.

AU - Ashkenazi, A.

AU - Asner, D.

AU - Asquith, L.

AU - Atkin, E.

AU - Auguste, D.

AU - Blake, A.

AU - Brailsford, D.

AU - Gu, L.

AU - Mawby, I.

AU - Mouster, G.

AU - Nowak, A.

AU - Nowak, J. A.

AU - Ratoff, P.

PY - 2025/9/4

Y1 - 2025/9/4

N2 - Liquid argon time projection chambers (LArTPCs) rely on highly pure argon to ensure that ionization electrons produced by charged particles reach readout arrays. ProtoDUNE Single-Phase (ProtoDUNE-SP) was an approximately 700-ton liquid argon detector intended to prototype the Deep Underground Neutrino Experiment (DUNE) Far Detector Horizontal Drift module. It contains two drift volumes bisected by the cathode plane assembly, which is biased to create an almost uniform electric field in both volumes. The DUNE Far Detector modules must have robust cryogenic systems capable of filtering argon and supplying the TPC with clean liquid. This paper will explore comparisons of the argon purity measured by the purity monitors with those measured using muons in the TPC from October 2018 to November 2018. A new method is introduced to measure the liquid argon purity in the TPC using muons crossing both drift volumes of ProtoDUNE-SP. For extended periods on the timescale of weeks, the drift electron lifetime was measured to be above 30 ms using both systems. A particular focus will be placed on the measured purity of argon as a function of position in the detector.

AB - Liquid argon time projection chambers (LArTPCs) rely on highly pure argon to ensure that ionization electrons produced by charged particles reach readout arrays. ProtoDUNE Single-Phase (ProtoDUNE-SP) was an approximately 700-ton liquid argon detector intended to prototype the Deep Underground Neutrino Experiment (DUNE) Far Detector Horizontal Drift module. It contains two drift volumes bisected by the cathode plane assembly, which is biased to create an almost uniform electric field in both volumes. The DUNE Far Detector modules must have robust cryogenic systems capable of filtering argon and supplying the TPC with clean liquid. This paper will explore comparisons of the argon purity measured by the purity monitors with those measured using muons in the TPC from October 2018 to November 2018. A new method is introduced to measure the liquid argon purity in the TPC using muons crossing both drift volumes of ProtoDUNE-SP. For extended periods on the timescale of weeks, the drift electron lifetime was measured to be above 30 ms using both systems. A particular focus will be placed on the measured purity of argon as a function of position in the detector.

KW - physics.ins-det

KW - hep-ex

U2 - 10.1088/1748-0221/20/09/P09008

DO - 10.1088/1748-0221/20/09/P09008

M3 - Journal article

VL - 20

JO - Journal of Instrumentation

JF - Journal of Instrumentation

SN - 1748-0221

IS - 09

M1 - P09008

ER -