کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
9845918 1526522 2005 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Energy resolution and non-proportionality of the light yield of pure CsI at liquid nitrogen temperatures
موضوعات مرتبط
مهندسی و علوم پایه فیزیک و نجوم ابزار دقیق
پیش نمایش صفحه اول مقاله
Energy resolution and non-proportionality of the light yield of pure CsI at liquid nitrogen temperatures
چکیده انگلیسی
The energy resolution and non-proportionality of the light yield versus γ-ray energy of pure CsI scintillators directly coupled to Large Area Avalanche Photodiodes (LAAPDs) and cooled down to the liquid nitrogen temperatures have been studied. A very high light output above 1 00 000 ph/MeV was measured. One of the samples showed nearly proportional light yield response versus energy of γ-rays yielding energy resolution of 4.3±0.2% for 662 keV γ-rays from a 137Cs source. The intrinsic resolution of the crystals versus energy of γ-rays has been estimated by measurements of the number of primary electron-hole pairs generated in LAAPD by scintillation light. Inspection of the γ-ray-induced emission spectra of tested samples allows discussing different shapes of non-proportionality curves observed with various samples of CsI.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment - Volume 537, Issues 1–2, 21 January 2005, Pages 357-362
نویسندگان
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