Please use this identifier to cite or link to this item: https://hdl.handle.net/10316/4347
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dc.contributor.authorVeloso, J. F. C. A.-
dc.contributor.authorAmaro, F. D.-
dc.contributor.authorAzevedo, C. D. R.-
dc.contributor.authorSantos, J. M. F. dos-
dc.contributor.authorBreskin, A.-
dc.contributor.authorLyashenko, A.-
dc.contributor.authorChechik, R.-
dc.date.accessioned2008-09-01T11:05:34Z-
dc.date.available2008-09-01T11:05:34Z-
dc.date.issued2007en_US
dc.identifier.citationNuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 581:1-2 (2007) 261-264en_US
dc.identifier.urihttps://hdl.handle.net/10316/4347-
dc.description.abstractWe present the Photon-Assisted Cascaded Electron Multiplier (PACEM) as a potential alternative for ion back-flow suppression in gaseous cascade electron multipliers. Using a Micro Hole and Strip Plate-Gas Electron Multiplier (MHSP-GEM) configuration, the number of ions flowing back to the scintillation region is about 1.5 ions per primary electron at an optical gain of 6.5 and a drift field of 0.1 kV/cm, and about 10 ions per primary electron at an optical gain of 10 and a drift field of 0.5 kV/cm. These allow reaching ion back-flow values close to 10-4 and 10-5 at typical operation conditions of TPCs and GPMs, respectively.en_US
dc.description.urihttp://www.sciencedirect.com/science/article/B6TJM-4PB0PFX-15/1/9e6f704a6503d50bc4b54966701688c4en_US
dc.format.mimetypeaplication/PDFen
dc.language.isoengeng
dc.rightsopenAccesseng
dc.subjectGaseous electron multipliersen_US
dc.subjectGaseous photomultipliersen_US
dc.subjectVUV scintillationen_US
dc.subjectPhotocathodesen_US
dc.titlePACEM: a new concept for high avalanche-ion blockingen_US
dc.typearticleen_US
dc.identifier.doi10.1016/j.nima.2007.07.101-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.openairetypearticle-
item.cerifentitytypePublications-
item.grantfulltextopen-
item.fulltextCom Texto completo-
item.languageiso639-1en-
crisitem.author.researchunitLIBPhys - Laboratory for Instrumentation, Biomedical Engineering and Radiation Physics-
crisitem.author.researchunitLIBPhys - Laboratory for Instrumentation, Biomedical Engineering and Radiation Physics-
crisitem.author.parentresearchunitUniversity of Coimbra-
crisitem.author.parentresearchunitUniversity of Coimbra-
crisitem.author.orcid0000-0002-7107-7203-
crisitem.author.orcid0000-0001-7315-0550-
crisitem.author.orcid0000-0002-8841-6523-
Appears in Collections:FCTUC Física - Artigos em Revistas Internacionais
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