Please use this identifier to cite or link to this item: http://hdl.handle.net/10316/12896
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dc.contributor.authorConde, C. A. N.-
dc.contributor.authorPolicarpo, A. J. P. L.-
dc.contributor.authorAlves, M. A. F.-
dc.date.accessioned2010-03-15T10:38:06Z-
dc.date.available2010-03-15T10:38:06Z-
dc.date.issued1968-
dc.identifier.citationIEEE Transactions on Nuclear Science 15:3 (1968) 84-91en_US
dc.identifier.issn0018-9499-
dc.identifier.urihttp://hdl.handle.net/10316/12896-
dc.description.abstractThe light output of the recently developed gas proportional scintillation counter - a gas scintillation counter with light multiplication produced by a cylindrical geometry electric field - is investigated for heavy gaseous media under alpha particle excitation with a 56 UVP phototube. The gases used are Xe, and Xe-Ar and Xe-N2 mixtures for a wide range of concentrations, at a total pressure of about 965 Torr. The light output of the Xe-Ar mixtures shifts towards the ultraviolet (¿ ¿ 3250 Å) region as the electric field intensity increases. Xe-Ar mixtures with Xe concentrations ranging from about 1 to 10% give - with a p-quaterphenyl wavelength shifter - a light output more than two orders of magnitude larger than that of a CsI(T1) scintillator. In Xe-N2 mixtures - with wavelength shifter - nitrogen has a quenching effect. For the mixtures of noble gases the rise time of the secondary component of the light pulse is slow, typically 15 ¿s. Methane and nitrogen while having a quenching effect, reduce this rise timeen_US
dc.language.isoengen_US
dc.publisherIEEEen_US
dc.rightsopenAccessen_US
dc.titleGas Proportional Scintillation Counter with Xenon and Xenon Mixturesen_US
dc.typearticleen_US
item.fulltextCom Texto completo-
item.languageiso639-1en-
item.grantfulltextopen-
Appears in Collections:FCTUC Física - Artigos em Revistas Internacionais
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