Please use this identifier to cite or link to this item:
https://hdl.handle.net/10316/4473
DC Field | Value | Language |
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dc.contributor.author | Monteiro, C. M. B. | - |
dc.contributor.author | Simões, P. C. P. S. | - |
dc.contributor.author | Veloso, J. F. C. A. | - |
dc.contributor.author | Santos, J. M. F. dos | - |
dc.contributor.author | Conde, C. A. N. | - |
dc.date.accessioned | 2008-09-01T11:07:42Z | - |
dc.date.available | 2008-09-01T11:07:42Z | - |
dc.date.issued | 2003 | en_US |
dc.identifier.citation | Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 505:1-2 (2003) 233-237 | en_US |
dc.identifier.uri | https://hdl.handle.net/10316/4473 | - |
dc.description.abstract | The response of an argon proportional counter to X-rays with energy in the range of 1.5-8 keV was investigated. The response to full-energy absorption events was found to follow different trends for X-ray energies below and above the argon K-absorption edge presenting a discontinuity at this energy. An abrupt decrease of (2.2±0.3)% in the detector amplitude at the K-edge (3.203 keV) was measured, corresponding to a region within±(70±10) eV around the edge where the X-ray energy cannot be obtained unambiguously. This discontinuity corresponds to an abrupt increase of about 0.5 eV in the argon w-value and results in a sudden increase in the energy resolution from about 17% to about 19%. The detector response to escape peak events follows a linear trend over the entire energy range, very close to the response for full-energy absorption of X-rays with energies above the K-edge. | en_US |
dc.description.uri | http://www.sciencedirect.com/science/article/B6TJM-488X1RS-1/1/73262067a3d0d1b1648af14b65285c5f | en_US |
dc.format.mimetype | aplication/PDF | en |
dc.language.iso | eng | eng |
dc.rights | openAccess | eng |
dc.subject | X-ray detectors | en_US |
dc.subject | Non-linearity | en_US |
dc.title | Energy non-linearity effects in argon gaseous detectors in the region of the Ar K-absorption edge: experimental results | en_US |
dc.type | article | en_US |
dc.identifier.doi | 10.1016/S0168-9002(03)01059-3 | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.openairetype | article | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
item.fulltext | Com Texto completo | - |
item.languageiso639-1 | en | - |
crisitem.author.researchunit | LIBPhys - Laboratory for Instrumentation, Biomedical Engineering and Radiation Physics | - |
crisitem.author.researchunit | LIBPhys - Laboratory for Instrumentation, Biomedical Engineering and Radiation Physics | - |
crisitem.author.parentresearchunit | University of Coimbra | - |
crisitem.author.parentresearchunit | University of Coimbra | - |
crisitem.author.orcid | 0000-0002-1912-2804 | - |
crisitem.author.orcid | 0000-0002-7107-7203 | - |
crisitem.author.orcid | 0000-0002-8841-6523 | - |
Appears in Collections: | FCTUC Física - Artigos em Revistas Internacionais |
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file99dbb50aa7dc481ab5e6b0b75457aa47.pdf | 121.51 kB | Adobe PDF | View/Open |
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