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arXiv:1401.6693 (physics)
[Submitted on 26 Jan 2014 (v1), last revised 11 Feb 2014 (this version, v2)]

Title:Experimental study of electric breakdowns in liquid argon at centimeter scale

Authors:A.Blatter, A.Ereditato, C.-C.Hsu, S.Janos, I.Kreslo, M.Luethi, C.Rudolf von Rohr, M.Schenk, T.Strauss, M.S.Weber, M.Zeller
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Abstract:In this paper we present results on measurements of the dielectric strength of liquid argon near its boiling point and cathode-anode distances in the range of 0.1 mm to 40 mm with spherical cathode and plane anode. We show that at such distances the applied electric field at which breakdowns occur is as low as 40 kV/cm. Flash-overs across the ribbed dielectric of the high voltage feed-through are observed for a length of 300 mm starting from a voltage of 55 kV. These results contribute to set reference for the breakdown-free design of ionization detectors, such as Liquid Argon Time Projection Chambers (LAr TPC).
Subjects: Instrumentation and Detectors (physics.ins-det); High Energy Physics - Experiment (hep-ex)
Cite as: arXiv:1401.6693 [physics.ins-det]
  (or arXiv:1401.6693v2 [physics.ins-det] for this version)
  https://doi.org/10.48550/arXiv.1401.6693
Journal reference: JINST 9 (2014) P04006
Related DOI: https://doi.org/10.1088/1748-0221/9/04/P04006

Submission history

From: Igor Kreslo E. [view email]
[v1] Sun, 26 Jan 2014 21:24:33 UTC (2,392 KB)
[v2] Tue, 11 Feb 2014 09:33:51 UTC (2,392 KB)
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