کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1877325 | 1042066 | 2007 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Investigation of photoneutron dose equivalent from high-energy photons in radiotherapy
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
تشعشع
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Investigation of photoneutron dose equivalent from high-energy photons in radiotherapy Investigation of photoneutron dose equivalent from high-energy photons in radiotherapy](/preview/png/1877325.png)
چکیده انگلیسی
Spatial distribution of photoneutron dose equivalent during radiotherapy at different beam size, depth, and distance from a 15 MV linear accelerator was investigated with bubble detectors in a water phantom. The photoneutron dose equivalent was mainly from fast neutrons, and decreased with distance at a fixed field and with depth. Besides, photoneutron dose equivalent was slightly affected by beam size due to the variation of tungsten area exposed in the beam direction and photoneutrons occurred at the jaws. Fast photoneutron dose equivalent of shallow critical organs was represented still considerably outside the beam size.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Radiation and Isotopes - Volume 65, Issue 5, May 2007, Pages 599–604
Journal: Applied Radiation and Isotopes - Volume 65, Issue 5, May 2007, Pages 599–604
نویسندگان
Jao-Perng Lin, Wei-Chung Liu, Chun-Chih Lin,