Avalanche-ion back-flow reduction in gaseous electron multipliers based on GEM/MHSP

Detalhes bibliográficos
Autor(a) principal: Maia, J. M.
Data de Publicação: 2004
Outros Autores: Mörmann, D., Breskin, A., Chechik, R., Veloso, J. F. C. A., Santos, J. M. F. dos
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10316/4448
https://doi.org/10.1016/j.nima.2003.12.017
Resumo: We report on avalanche-ion back-flow measurements in the novel Micro-Hole and Strip-Plate (MHSP) multiplier and in gaseous photomultipliers comprising Gas Electron Multipliers (GEMs) followed by an MHSP. In a 3-GEMs/MHSP photomultiplier with reflective photocathode, avalanche-ion back-flow fraction of ~7% and ~2% were recorded for respective effective gains of 107 and 106, in Ar/CH4 (95/5) at 760 Torr. This is about one order of magnitude reduction in ion back-flow compared to the best values measured in 4-GEMs photomultiplier at the same gain. We describe the mode of operation of the MHSP and explain its ion back-flow reduction features.
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spelling Avalanche-ion back-flow reduction in gaseous electron multipliers based on GEM/MHSPGas avalanche electron multipliersGaseous photomultipliersIon back-flowWe report on avalanche-ion back-flow measurements in the novel Micro-Hole and Strip-Plate (MHSP) multiplier and in gaseous photomultipliers comprising Gas Electron Multipliers (GEMs) followed by an MHSP. In a 3-GEMs/MHSP photomultiplier with reflective photocathode, avalanche-ion back-flow fraction of ~7% and ~2% were recorded for respective effective gains of 107 and 106, in Ar/CH4 (95/5) at 760 Torr. This is about one order of magnitude reduction in ion back-flow compared to the best values measured in 4-GEMs photomultiplier at the same gain. We describe the mode of operation of the MHSP and explain its ion back-flow reduction features.http://www.sciencedirect.com/science/article/B6TJM-4BMBDH7-C/1/cdedfd1e72d3adbcfc9431895ab3e6122004info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleaplication/PDFhttp://hdl.handle.net/10316/4448http://hdl.handle.net/10316/4448https://doi.org/10.1016/j.nima.2003.12.017engNuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 523:3 (2004) 334-344Maia, J. M.Mörmann, D.Breskin, A.Chechik, R.Veloso, J. F. C. A.Santos, J. M. F. dosinfo:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2021-10-22T09:44:03Zoai:estudogeral.uc.pt:10316/4448Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T20:59:44.864562Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Avalanche-ion back-flow reduction in gaseous electron multipliers based on GEM/MHSP
title Avalanche-ion back-flow reduction in gaseous electron multipliers based on GEM/MHSP
spellingShingle Avalanche-ion back-flow reduction in gaseous electron multipliers based on GEM/MHSP
Maia, J. M.
Gas avalanche electron multipliers
Gaseous photomultipliers
Ion back-flow
title_short Avalanche-ion back-flow reduction in gaseous electron multipliers based on GEM/MHSP
title_full Avalanche-ion back-flow reduction in gaseous electron multipliers based on GEM/MHSP
title_fullStr Avalanche-ion back-flow reduction in gaseous electron multipliers based on GEM/MHSP
title_full_unstemmed Avalanche-ion back-flow reduction in gaseous electron multipliers based on GEM/MHSP
title_sort Avalanche-ion back-flow reduction in gaseous electron multipliers based on GEM/MHSP
author Maia, J. M.
author_facet Maia, J. M.
Mörmann, D.
Breskin, A.
Chechik, R.
Veloso, J. F. C. A.
Santos, J. M. F. dos
author_role author
author2 Mörmann, D.
Breskin, A.
Chechik, R.
Veloso, J. F. C. A.
Santos, J. M. F. dos
author2_role author
author
author
author
author
dc.contributor.author.fl_str_mv Maia, J. M.
Mörmann, D.
Breskin, A.
Chechik, R.
Veloso, J. F. C. A.
Santos, J. M. F. dos
dc.subject.por.fl_str_mv Gas avalanche electron multipliers
Gaseous photomultipliers
Ion back-flow
topic Gas avalanche electron multipliers
Gaseous photomultipliers
Ion back-flow
description We report on avalanche-ion back-flow measurements in the novel Micro-Hole and Strip-Plate (MHSP) multiplier and in gaseous photomultipliers comprising Gas Electron Multipliers (GEMs) followed by an MHSP. In a 3-GEMs/MHSP photomultiplier with reflective photocathode, avalanche-ion back-flow fraction of ~7% and ~2% were recorded for respective effective gains of 107 and 106, in Ar/CH4 (95/5) at 760 Torr. This is about one order of magnitude reduction in ion back-flow compared to the best values measured in 4-GEMs photomultiplier at the same gain. We describe the mode of operation of the MHSP and explain its ion back-flow reduction features.
publishDate 2004
dc.date.none.fl_str_mv 2004
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/10316/4448
http://hdl.handle.net/10316/4448
https://doi.org/10.1016/j.nima.2003.12.017
url http://hdl.handle.net/10316/4448
https://doi.org/10.1016/j.nima.2003.12.017
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 523:3 (2004) 334-344
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv aplication/PDF
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron:RCAAP
instname_str Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron_str RCAAP
institution RCAAP
reponame_str Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
collection Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
repository.name.fl_str_mv Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
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