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Spectroscopic output of and low dose rate brachytherapy sources
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10.1118/1.3039789
/content/aapm/journal/medphys/36/1/10.1118/1.3039789
http://aip.metastore.ingenta.com/content/aapm/journal/medphys/36/1/10.1118/1.3039789

Figures

Image of FIG. 1.
FIG. 1.

Photo of an LDR brachytherapy source held between the Kevlar threads in the reference configuration (for measurement along the transverse bisector, ). Note that for these measurements the detector is located at a known horizontal distance from the center of the seed.

Image of FIG. 2.
FIG. 2.

Plot showing the average photon energy at 9° increments in polar angle for the silver-containing sources.

Image of FIG. 3.
FIG. 3.

Plot showing the average photon energy at 9° increments in polar angle for the silver-free sources.

Image of FIG. 4.
FIG. 4.

Plot showing the average photon energy at 9° increments in polar angle for the sources.

Image of FIG. 5.
FIG. 5.

Plot showing the total photon intensity at 9° increments in polar angle relative to the total photon intensity at for the silver-containing sources.

Image of FIG. 6.
FIG. 6.

Plot showing the total photon intensity at 9° increments in polar angle relative to the total photon intensity at for the silver-free sources.

Image of FIG. 7.
FIG. 7.

Plot showing the total photon intensity at 9° increments in polar angle relative to the total photon intensity at for the sources.

Tables

Generic image for table
TABLE I.

Monte Carlo determined correction factors, , for scattering in the air and detector shield for source measurements at 30, 50, and . The type B uncertainty of the third order polynomial fit of the data is 0.01% .

Generic image for table
TABLE II.

Monte Carlo determined correction factors, , for transmission of photons through the detector shielding for the source measurements at 30, 50, and . The type B uncertainty of the third order polynomial fit of the data is 0.01% .

Generic image for table
TABLE III.

Listing of the silver-containing seeds by their manufacturer, model number, and various trade names under which they are either marketed or referred to in the literature.

Generic image for table
TABLE IV.

Summary of the relative intensities of the emissions along the perpendicular bisector of the silvercontaining seeds. Note that these values represent the average results from measurements of seeds, corrected to in vacuo conditions. The absolute uncertainty in the last digit(s) of each value is stated in parentheses. Emission data for the bare radionuclide and the silver K x-rays are from NuDat 2.4.16 Note also that N/D refers to peaks that were “not detected” in the experimental data.

Generic image for table
TABLE V.

Silver-free seeds listed by their manufacturer, model number, and various trade names under which they are either marketed or referred to in the literature.

Generic image for table
TABLE VI.

Summary of the relative intensities of the emissions along the perpendicular bisector of the silver-free seeds. Note that these values represent the average results from measurements of seeds, corrected to in vacuo conditions. The absolute uncertainty in the last digit(s) of each value is stated in parentheses. Emission data for the bare radionuclide are from NuDat 2.4.16

Generic image for table
TABLE VII.

seeds listed by their manufacturer, model number, and various trade names under which they are either marketed or referred to in the literature.

Generic image for table
TABLE VIII.

Summary of the relative intensities of the emissions along the perpendicular bisector of the seeds. Note that these values represent the average results from measurements of seeds, corrected to in vacuo conditions. The absolute uncertainty in the last digit(s) of each value is stated in parentheses. Emission data for the bare radionuclide are from NuDat 2.4.16

Generic image for table
TABLE IX.

Difference in the total intensity of the output through the ends (at vs. ) for a single source of each of the silver-containing seed models. Values are relative to the end with maximum output, either end can be considered or .

Generic image for table
TABLE X.

Difference in the total intensity of the output through the ends (at vs. ) for a single source of each of the silver-free seed models. Values are relative to the end with maximum output, since either end can be considered or .

Generic image for table
TABLE XI.

Difference in the total intensity of the output through the ends (at vs. ) for a single source of each of the seed models. Values are relative to the end with maximum output, since either end can be considered or .

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/content/aapm/journal/medphys/36/1/10.1118/1.3039789
2008-12-29
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Spectroscopic output of I125 and Pd103 low dose rate brachytherapy sources
http://aip.metastore.ingenta.com/content/aapm/journal/medphys/36/1/10.1118/1.3039789
10.1118/1.3039789
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