کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1832867 | 1027527 | 2006 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Passive monitoring of the equilibrium factor inside a radon exposure chamber using bare LR 115 SSNTDs
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
ابزار دقیق
پیش نمایش صفحه اول مقاله
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چکیده انگلیسی
In this paper, we propose and study a method using bare LR 115 SSNTDs for passive monitoring of the equilibrium factor F inside a radon exposure chamber. The method is based on the proxy equilibrium factor Fp which is defined as Fp=Ï/(ÏiC0t)-1, where Ïi is the partial sensitivity (i.e., the number of tracks per unit area per unit exposure), C0 is the radon gas concentration and t is the exposure time. Fp was found to be well correlated with F. LR 115 detectors were exposed in a huge exposure chamber with a volume of 43 m3, with integrated radon exposure and equilibrium factor as 100 kBq mâ3 h and 0.680, respectively. The relationship between Ïi (m) and the removed active layer thickness x (μm) has been determined as Ïi=-0.0041+0.0011x. The method has also been verified through determination of the equilibrium factor from the track densities on the LR 115 detectors. The mean of the mid points of the determined ranges of F for a few LR 115 SSNTDs can give a very good estimate of the true equilibrium factor.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment - Volume 564, Issue 1, 1 August 2006, Pages 319-323
Journal: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment - Volume 564, Issue 1, 1 August 2006, Pages 319-323
نویسندگان
S.Y.Y. Leung, D. Nikezic, K.N. Yu,