The X-Ray Dose Absorbed by Soft Tissue Near a Bone

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概要

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• A method of measuring the distribution of absorption dose of X-ray near a plane boundary of two kinds of medium is presented, and it is applied to the measurement of the dose distribution in soft tissue adjoining to bone. R, the ratio of D_0 (the dose absorbed by soft tissue immediately adjoining to bone) to D_∞ (the dose absorbed by soft tissue away from bone) was determined experimentally by this method and was compared with theory which is based on the Bragg-Gray cavity principle. This theory gives the same value for R as the theory of Spiers. The comparison with experiment showed that the both theories which do not take into consideration the difference of electron scattering in different kinds of medium could not interpret the actual dose distribution near a boundary of two mediums.

• 日本放射線影響学会の論文

著者

• 細江 正尚

  Institute For Atomic Energy St. Paul's University

関連論文

• The X-Ray Dose Absorbed by Soft Tissue Near a Bone
• An Examination of Fano's "Theorem of Homogeneity" by X-rays

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