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Neutron dose equivalent measured at the maze door with various openings for the jaws and MLC
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10.1118/1.3682313
/content/aapm/journal/medphys/39/3/10.1118/1.3682313
http://aip.metastore.ingenta.com/content/aapm/journal/medphys/39/3/10.1118/1.3682313

Figures

Image of FIG. 1.
FIG. 1.

Geometry of the treatment room. Position of neutron survey meter is signed by cross.

Image of FIG. 2.
FIG. 2.

The neutron dose equivalent at the maze door produced per 1 Gy of the photon dose at the build-up depth as a function of the field size defined by the jaws alone (dashed line) and the neutron dose equivalent at the maze door per 1 Gy of photon dose measured for different openings of the MLC with jaws fixed at 20 × 20 cm2 position (solid line).

Image of FIG. 3.
FIG. 3.

The reaction rate of fast neutron capture R f as a function of the field size defined by the jaws alone (dashed line) and the reaction rate of the fast neutrons as a function of the field size determined by the MLC with jaws fixed at 20 × 20 cm2 position (solid line).

Tables

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TABLE I.

Measured and calculated neutron dose equivalent at the maze door. Values are given per unit photon dose.

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/content/aapm/journal/medphys/39/3/10.1118/1.3682313
2012-02-15
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Neutron dose equivalent measured at the maze door with various openings for the jaws and MLC
http://aip.metastore.ingenta.com/content/aapm/journal/medphys/39/3/10.1118/1.3682313
10.1118/1.3682313
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