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Investigation into the physical bases of grid projection with large gama sources

Исследование физических основ проекционного облучения через решетки в случае больших источников гамма излучения

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Acta Physica Academiae Scientiarum Hungaricae

Abstract

The paper examines the possible extension to gamma rays of the projected grid irradiation method developed by the authors for X-ray therapy. On the basis of dose distribution measurements performed in a MIX-D phantom the characteristics of a projected grid are defined, relationships between the size of grid openings, their spacing, the size of the radiation source and the hardness of radiation, as well as a criterion to assess the quality of the grid are developed. A projection grid designed on the basis of the investigations, suitable for tatal irradiations, is described.

Резюме

В статье исследуется распростванение на гамма излучение метода проекционного облучения через решетки, введенного авторами для рентгеновского излучения. На основе измерений, проведенных в фантоме MIX-D, определяются характеристики проекционной решетки, величина отверстий решетки, расстояние между отверстиями, соотношение между величиной источника и жесткостью излучения, и также условия пригодности решетки. Наконец дается описание проекционной решетки, проектированной на основе исследований для полного облучения.

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References

  1. L. Bozóky andI. Rodé, Radiologia Clinica,24, 240, 1955.

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  2. I. Rodé andL. Bozóky, Strahlenth,102, 277, 1957.

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Dedicated to Prof.A. Szalay on his 60th birthday.

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Bozóky, L., Rodé, I. Investigation into the physical bases of grid projection with large gama sources. Acta Physica 28, 83–86 (1970). https://doi.org/10.1007/BF03055149

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  • DOI: https://doi.org/10.1007/BF03055149

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