کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
8168775 1526296 2016 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
High energy X-ray photon counting imaging using linear accelerator and silicon strip detectors
ترجمه فارسی عنوان
تصویربرداری شمارش فوتون اشعه ایکس با انرژی بالا با استفاده از آشکارسازهای نوار شتاب دهنده و سیلیکون
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه فیزیک و نجوم ابزار دقیق
چکیده انگلیسی
A photon counting imaging detector system for high energy X-rays is developed for on-site non-destructive testing of thick objects. One-dimensional silicon strip (1 mm pitch) detectors are stacked to form a two-dimensional edge-on module. Each detector is connected to a 48-channel application specific integrated circuit (ASIC). The threshold-triggered events are recorded by a field programmable gate array based counter in each channel. The detector prototype is tested using 950 kV linear accelerator X-rays. The fast CR shaper (300 ns pulse width) of the ASIC makes it possible to deal with the high instant count rate during the 2 μs beam pulse. The preliminary imaging results of several metal and concrete samples are demonstrated.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment - Volume 830, 11 September 2016, Pages 251-255
نویسندگان
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