Spatial resolution of a GEM readout TPC using the charge dispersion signal

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dc.creatorBoudjemline, K.
dc.creatorDixit, M. S.
dc.creatorMartin, J. -P.
dc.creatorSachs, K.
dc.date2006-10-26
dc.date.accessioned2026-07-07T10:42:59Z
dc.date.available2026-07-07T10:42:59Z
dc.descriptionA large volume Time Projection Chamber (TPC) is being considered for the central charged particle tracker for the detector for the proposed International Linear Collider (ILC). To meet the ILC-TPC spatial resolution challenge of ~100 microns with a manageable number of readout pads and channels of electronics, Micro Pattern Gas Detectors (MPGD) are being developed which could use pads comparable in width to the proportional-wire/cathode-pad TPC. We have built a prototype GEM readout TPC with 2 mm x 6 mm pads using the new concept of charge dispersion in MPGDs with a resistive anode. The dependence of transverse resolution on the drift distance has been measured for small angle tracks in cosmic ray tests without a magnetic field for Ar/CO2 (90:10). The GEM-TPC resolution with charge dispersion readout is significantly better than previous measurements carried out with conventional direct charge readout techniques.
dc.description5 figures, 10 pages
dc.identifierhttps://arxiv.org/abs/physics/0610232
dc.identifierhttp://arxiv.org/abs/physics/0610232
dc.identifierNucl.Instrum.Meth.A574:22-27,2007
dc.identifierdoi:10.1016/j.nima.2007.01.017
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/182143
dc.subjectInstrumentation and Detectors
dc.titleSpatial resolution of a GEM readout TPC using the charge dispersion signal
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