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dc.contributor.author
Figueroa, Rodolfo G.
dc.contributor.author
Santibañez, Mauricio
dc.contributor.author
Valdes, Cristian
dc.contributor.author
Valente, Mauro Andres
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dc.date.available
2019-03-14T15:02:50Z
dc.date.issued
2016-01
dc.identifier.citation
Figueroa, Rodolfo G.; Santibañez, Mauricio; Valdes, Cristian; Valente, Mauro Andres; Characterization of hemispherical area X-ray detector based on set of proportional counters with needle anodes; Pergamon-Elsevier Science Ltd; Applied Radiation and Isotopes; 107; 1-2016; 191-194
dc.identifier.issn
0969-8043
dc.identifier.uri
http://hdl.handle.net/11336/71619
dc.description.abstract
This work introduces a new, versatile and robust X-ray detector with hemispherical 2π geometry, based on a set of 15 small cylindrical proportional counters located in a hexagonal and pentagonal fullerene C60 pattern, at the same distance from the center (where a sample is placed). The counteranode consists of stainless steel sewing needles with spherical tips measuring approximately 80μm in diameter. The space between the counters and the sample could contain air, the same gas as the counters or vacuum. This allows a significant increase in the count rates by a factor approximately equal to the number of counters connected. It is shown that an energy resolution of 20% for 5.9keV photons can be obtained, and a global counting rate of around 106counts/s is achievable by the 15 Needle Anode Proportional Counters (NAPCs) operating in parallel mode, in our setup.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Pergamon-Elsevier Science Ltd
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Gas Proportional Counter
dc.subject
Needles Anode
dc.subject
X-Ray Detectors
dc.subject.classification
Astronomía
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dc.subject.classification
Ciencias Físicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Characterization of hemispherical area X-ray detector based on set of proportional counters with needle anodes
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-03-13T17:37:51Z
dc.journal.volume
107
dc.journal.pagination
191-194
dc.journal.pais
Países Bajos
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dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Figueroa, Rodolfo G.. Universidad de La Frontera; Chile
dc.description.fil
Fil: Santibañez, Mauricio. Universidad de La Frontera; Chile
dc.description.fil
Fil: Valdes, Cristian. Centro Oncológico de Antofagasta; Chile
dc.description.fil
Fil: Valente, Mauro Andres. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Física Enrique Gaviola. Universidad Nacional de Córdoba. Instituto de Física Enrique Gaviola; Argentina
dc.journal.title
Applied Radiation and Isotopes
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0969804315302190
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1016/j.apradiso.2015.10.027
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