About: Characterization of the new free-air primary standard for low-energy X-rays at CMI

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About: Characterization of the new free-air primary standard for low-energy X-rays at CMI Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.sciencedirect.com/science/article/pii/S0969806X14000681
Description	In 2011 a decision was made by Czech Metrology Institute to build a free-air ionization chamber (FAC) intended to be used as a primary standard of air kerma rate for low-energy X-rays (photon energy below 50 keV, including mammography X-ray qualities) in order to replace the currently used secondary ionization chamber and to decrease the uncertainty of air kerma reference value. In the period 2011–2012, the FAC has been designed, manufactured and put into operation. Its performance was tested using a calibrated secondary chamber and then by an informal comparison with a national primary standard of BEV (Austria). Physical characteristics of the FAC are described and individual correction factors are discussed focusing on computational methods utilized in their estimation. Summary of the correction factors with the uncertainty budget is presented. In 2011 a decision was made by Czech Metrology Institute to build a free-air ionization chamber (FAC) intended to be used as a primary standard of air kerma rate for low-energy X-rays (photon energy below 50 keV, including mammography X-ray qualities) in order to replace the currently used secondary ionization chamber and to decrease the uncertainty of air kerma reference value. In the period 2011–2012, the FAC has been designed, manufactured and put into operation. Its performance was tested using a calibrated secondary chamber and then by an informal comparison with a national primary standard of BEV (Austria). Physical characteristics of the FAC are described and individual correction factors are discussed focusing on computational methods utilized in their estimation. Summary of the correction factors with the uncertainty budget is presented. (en)
Title	Characterization of the new free-air primary standard for low-energy X-rays at CMI Characterization of the new free-air primary standard for low-energy X-rays at CMI (en)
skos:prefLabel	Characterization of the new free-air primary standard for low-energy X-rays at CMI Characterization of the new free-air primary standard for low-energy X-rays at CMI (en)
skos:notation	RIV/00177016:_____/14:#0000861!RIV15-MSM-00177016
http://linked.open...avai/riv/aktivita	V
http://linked.open...avai/riv/aktivity	V
http://linked.open...iv/cisloPeriodika	November 2014
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Šolc, Jaroslav Sochor, Vladimír
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Český metrologický institut
http://linked.open...dnocenehoVysledku	6985
http://linked.open...ai/riv/idVysledku	RIV/00177016:_____/14:#0000861
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Free-air chamber; FAC corrections; X-rays; Air kerma; Monte Carlo simulation; Radiation transport (en)
http://linked.open.../riv/klicoveSlovo	Monte Carlo simulation Air kerma FAC corrections Free-air chamber Radiation transport X-rays
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[C0CFD7FB00EB]
http://linked.open...i/riv/nazevZdroje	Radiation Physics and Chemistry
http://linked.open...in/vavai/riv/obor	BG
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	104
http://linked.open...iv/tvurceVysledku	Sochor, Vladimír Šolc, Jaroslav
issn	0969-806X
number of pages	4 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.radphyschem.2014.03.001

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