CERN Accelerating science

Article
Title Trigger-Induced Mechanical Resonances of Gating Grid Wires in the Multi-Wire Proportional Chambers of the ALICE TPC
Author(s) Horn, C J (Vienna U.) ; Junique, A (CERN) ; Lippmann, C (Darmstadt, GSI) ; Mager, M (CERN) ; Musa, L (CERN) ; Richert, T (Lund U.)
Collaboration ALICE TPC
Publication 2012
Number of pages 6
In: Phys. Procedia 37 (2012) 472-477
In: 2nd International Conference on Technology and Instrumentation in Particle Physics, Chicago, IL, USA, 9 - 14 Jun 2011, pp.472-477
DOI 10.1016/j.phpro.2012.02.395
Subject category Detectors and Experimental Techniques
Accelerator/Facility, Experiment CERN LHC ; ALICE
Abstract A crucial issue in the design of modern multi-wire proportional chambers (MWPCs) is to avoide mechanical instabilities of thin and long wires that are held at high potentials [1]. Still, these structures are mechanically very sensitive and event-related (random) oscillations have been reported for drift tubes [2,3], where the gas ionisation originates the driving force.
Copyright/License publication: © 2012-2025 Elsevier (License: CC-BY-NC-ND-3.0)

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