Please use this identifier to cite or link to this item: http://hdl.handle.net/10316/4416
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dc.contributor.authorBreskin, A.-
dc.contributor.authorMörmann, D.-
dc.contributor.authorLyashenko, A.-
dc.contributor.authorChechik, R.-
dc.contributor.authorAmaro, F. D.-
dc.contributor.authorMaia, J. M.-
dc.contributor.authorVeloso, J. F. C. A.-
dc.contributor.authorSantos, J. M. F. dos-
dc.date.accessioned2008-09-01T11:06:44Z-
dc.date.available2008-09-01T11:06:44Z-
dc.date.issued2005en_US
dc.identifier.citationNuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 553:1-2 (2005) 46-52en_US
dc.identifier.urihttp://hdl.handle.net/10316/4416-
dc.description.abstractWe report on the progress in the study of cascaded GEM and GEM/MHSP gas avalanche photomultipliers operating at atmospheric pressure, with CsI and bialkali photocathodes. They have single-photon sensitivity, ns time resolution and good localization properties. We summarize operational aspects and results, with the highlight of a high-gain stable gated operation of a visible-light device. Of particular importance are the results of a recent ion-backflow reduction study in different cascaded multipliers, affecting the detector's stability and the photocathode's lifetime. We report on the significant progress in ion-blocking and provide first results on bialkali-photocathode aging under gas multiplication.en_US
dc.description.urihttp://www.sciencedirect.com/science/article/B6TJM-4GY83G4-3/1/5b2fa111ff35bcc9fa45d5cbd30378bfen_US
dc.format.mimetypeaplication/PDFen
dc.language.isoengeng
dc.rightsopenAccesseng
dc.subjectGaseous electron multipliersen_US
dc.subjectGaseous photomultipliersen_US
dc.subjectPhotocathodesen_US
dc.titleIon-induced effects in GEM and GEM/MHSP gaseous photomultipliers for the UV and the visible spectral rangeen_US
dc.typearticleen_US
item.fulltextCom Texto completo-
item.grantfulltextopen-
item.languageiso639-1en-
Appears in Collections:FCTUC Física - Artigos em Revistas Internacionais
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