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Transmission of broad W/Rh and W/Al (target/filter) x-ray beams operated at 25–49 kVp through common shielding materials
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10.1118/1.4725755
/content/aapm/journal/medphys/39/7/10.1118/1.4725755
http://aip.metastore.ingenta.com/content/aapm/journal/medphys/39/7/10.1118/1.4725755

Figures

Image of FIG. 1.
FIG. 1.

Schematic of the geometry for calculating the broad-beam transmission.

Image of FIG. 2.
FIG. 2.

Measured and calculated transmission values of broad x-ray beams through acrylic plate (thickness ∼4 cm) on a Selenia Dimensions system.

Image of FIG. 3.
FIG. 3.

Transmission of broad W/Al x-ray beams through common shielding materials: (a) lead, (b) concrete, (c) gypsum wallboard, (d) steel, (e) plate glass, and (f) wood.

Image of FIG. 4.
FIG. 4.

Transmission of broad W/Rh x-ray beams through common shielding materials: (a) lead, (b) concrete, (c) gypsum wallboard, (d) steel, (e) plate glass, and (f) wood.

Image of FIG. 5.
FIG. 5.

Transmissions of the broad x-ray beams of this study, compared with those in the NCRP 147 report (Ref. 3): (a) gypsum wallboard, (b) wood, and (c) lead.

Tables

Generic image for table
TABLE I.

Fitted results of α, β, and γ for broad tungsten-anode, aluminum-filter x-ray beams. Units of α and β in mm−1.

Generic image for table
TABLE II.

Fitted results of α, β, and γ for broad tungsten-anode, rhodium-filter x-ray beams. Units of α and β in mm−1.

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/content/aapm/journal/medphys/39/7/10.1118/1.4725755
2012-06-11
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Transmission of broad W/Rh and W/Al (target/filter) x-ray beams operated at 25–49 kVp through common shielding materials
http://aip.metastore.ingenta.com/content/aapm/journal/medphys/39/7/10.1118/1.4725755
10.1118/1.4725755
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