کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1879692 | 1042582 | 2007 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Performance of a prototype of an extrapolation minichamber in various radiation beams
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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: Performance of a prototype of an extrapolation minichamber in various radiation beams Performance of a prototype of an extrapolation minichamber in various radiation beams](/preview/png/1879692.png)
چکیده انگلیسی
An extrapolation minichamber was developed for measuring doses from weakly penetrating types of radiation. The chamber was tested at the radiotherapeutic dose level in a beam from a 90Sr+90Y check source, in a beam from a plane 90Sr+90Y ophthalmic applicator, and in several reference beams from an X-ray tube. Saturation, ion collection efficiency, stabilization time, extrapolation curves, linearity of chamber response vs. air kerma rate, and dependences of the response on the energy and irradiation angle were characterized. The results are satisfactory; they show that the chamber can be used in the dosimetry of 90Sr+90Y beta particles and low-energy X-ray beams.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Radiation and Isotopes - Volume 65, Issue 8, August 2007, Pages 975-979
Journal: Applied Radiation and Isotopes - Volume 65, Issue 8, August 2007, Pages 975-979
نویسندگان
M.L. Oliveira, L.V.E. Caldas,