A method to suppress dielectric breakdowns in liquid argon ionization detectors for cathode to ground distances of several millimeters

We present a method to reach electric field intensity as high as 400 kV/cm in liquid argon for cathode-ground distances of several millimeters. This can be achieved by suppressing field emission from the cathode, overcoming limitations that we reported earlier.

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Bibliographic Details
Published in:Journal of instrumentation 2014-07, Vol.9 (7), p.P07023-P07023
Main Authors: Auger, M, Ereditato, A, Goeldi, D, Janos, S, Kreslo, I, Luethi, M, Rohr, C Rudolf von, Strauss, T, Tolba, T, Weber, M S
Format: Article
Language:English
Subjects:
Argon
Cathodes
Dielectric breakdown
Field emission
Grounds
Instrumentation
Ionization
Liquids
Retarding
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Description
Summary:We present a method to reach electric field intensity as high as 400 kV/cm in liquid argon for cathode-ground distances of several millimeters. This can be achieved by suppressing field emission from the cathode, overcoming limitations that we reported earlier.
ISSN:1748-0221
1748-0221
DOI:10.1088/1748-0221/9/07/P07023