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The High Voltage Feedthroughs for the ATLAS Liquid Argon Calorimeters

B Botchev1, G Finocchiaro1, J Hoffman1, R L McCarthy1, M Rijssenbeek1, J Steffens1, A Talalaevskii1, M Thioye1, M Zdrazil1, J Farrell2 and S Kan2

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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.

Keywords

Voltage distributions

Calorimeters

 

E-print Number: 0709.0744

Cited: by |

Refers: to

PACS

29.40.Gx Tracking and position-sensitive detectors

29.40.Vj Calorimeters

Subjects

Accelerators, beams and electromagnetism

Nuclear physics

Instrumentation and measurement

Particle physics and field theory

Dates

Issue 10 (October 2007)

Received 8 September 2007, accepted for publication 9 October 2007

Published 23 October 2007



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