CERN Accelerating science

LHCb Note
Report number	LHCb-2007-120 ; CERN-LHCb-2007-120
Title	A Laser Based Instrument for MWPC Wire Tension Measurement
Author(s)	Baldini, W (INFN, Ferrara ; Ferrara U.) ; Chiozzi, S (INFN, Ferrara ; Ferrara U.) ; Evangelisti, F (INFN, Ferrara ; Ferrara U.) ; Germani, S (INFN, Ferrara ; Ferrara U.) ; Landi, L (INFN, Ferrara ; Ferrara U.) ; Savrié, M (INFN, Ferrara ; Ferrara U.) ; Graziani, G (INFN, Florence ; Florence U.) ; Lenti, M (INFN, Florence ; Florence U.) ; Lenzi, M (INFN, Florence ; Florence U.) ; Passaleva, G (INFN, Florence ; Florence U.) ; Carboni, G (INFN, Roma Tor Vergata ; Rome U.,Tor Vergata ) ; De Capua, S (INFN, Roma Tor Vergata ; INFN, Roma Tor Vergata ; CERN) ; Kachtchouk, A (CERN)
Submitted by	[email protected] on 07 Sep 2007
Subject category	Detectors and Experimental Techniques
Accelerator/Facility, Experiment	CERN LHC ; LHCb
Free keywords	LHCb ; Muon
Abstract	A fast and simple method for the measurement of the mechanical tension of wires of Multi Wires Proportional Chambers (MWPCs) is described. The system is based on commercial components and does not require any electrical connection to the wires or electric or magnetic field. It has been developed for the quality control of MWPCs of the Muon Detector of the LHCb experiment in construction at CERN. The system allows a measurement of the wire tension with a precision better than 0.5% within 3-4 seconds per wire
Copyright/License	Preprint: (License: CC-BY-4.0)

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