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The High Voltage Feedthroughs for the ATLAS Liquid Argon Calorimeters

B Botchev et al 2007 JINST 2 T10002   doi: 10.1088/1748-0221/2/10/T10002  Help

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B Botchev1, G Finocchiaro1, J Hoffman1, R L McCarthy1, M Rijssenbeek1, J Steffens1, A Talalaevskii1, M Thioye1, M Zdrazil1, J Farrell2 and S Kan2
1 Stony Brook University, Stony Brook, NY 11794-3800, USA
2 Brookhaven National Laboratory, P.O. Box 5000, Upton, NY 11973-5000, USA
E-mail: michael.rijssenbeek@stonybrook.edu

Abstract. The purpose, design specifications, construction techniques, and testing methods are described for the high voltage feedthrough ports and filters of the ATLAS Liquid Argon calorimeters. These feedthroughs carry about 5000 high voltage wires from a room temperature environment (300 K) through the cryostat walls to the calorimeters cells (89 K) while maintaining the electrical and cryogenic integrity of the system. The feedthrough wiring and filters operate at a maximum high voltage of 2.5 kV without danger of degradation by corona discharges or radiation at the Large Hadron Collider.

Key words: Calorimeters; Voltage distributions

E-print number: 0709.0744
Cited: by
Refers: to

Received 8 September 2007, accepted for publication 9 October 2007
Published 23 October 2007

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