Please use this identifier to cite or link to this item: http://hdl.handle.net/10316/4535
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dc.contributor.authorFraga, F. A. F.-
dc.contributor.authorFetal, S. T. G.-
dc.contributor.authorMarques, R. Ferreira-
dc.contributor.authorPolicarpo, A. J. P. L-
dc.date.accessioned2008-09-01T11:08:46Z-
dc.date.available2008-09-01T11:08:46Z-
dc.date.issued2000en_US
dc.identifier.citationNuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 442:1-3 (2000) 417-422en_US
dc.identifier.urihttp://hdl.handle.net/10316/4535-
dc.description.abstractNon-destructive quality control of microstructures at the manufacturing stage is an important issue in the foreseen use of huge numbers of such gaseous detectors in the future high luminosity colliders. In this work we report on the use of the scintillation light emitted by the avalanches in GEM channels for checking defects in the foils. The test system is described and data on the relative efficiency of several gaseous mixtures are presented. The foil images obtained with a low-noise CCD system are analysed and compared with the optical images obtained with an industrial inspection system of high magnification. The validity of this test method is established and possible extensions of its use are discussed.en_US
dc.description.urihttp://www.sciencedirect.com/science/article/B6TJM-3YXB101-2K/1/86489e830e1d4ba436e110adeb1da958en_US
dc.format.mimetypeaplication/PDFen
dc.language.isoengeng
dc.rightsopenAccesseng
dc.subjectGEM detectorsen_US
dc.subjectMicrostructuresen_US
dc.titleQuality control of GEM detectors using scintillation techniquesen_US
dc.typearticleen_US
dc.identifier.doi10.1016/S0168-9002(99)01266-8-
item.languageiso639-1en-
item.fulltextCom Texto completo-
item.grantfulltextopen-
crisitem.author.deptFaculty of Sciences and Technology-
crisitem.author.deptFaculty of Sciences and Technology-
crisitem.author.parentdeptUniversity of Coimbra-
crisitem.author.parentdeptUniversity of Coimbra-
crisitem.author.researchunitLIP – Laboratory of Instrumentation and Experimental Particle Physics-
crisitem.author.orcid0000-0002-7028-2651-
crisitem.author.orcid0000-0003-3549-8198-
Appears in Collections:FCTUC Física - Artigos em Revistas Internacionais
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