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題名 | 純鍺偵檢器偵測效率之蒙地卡羅法模擬評估=Evaluation of Monte Carlo Simulation of Counting Efficiency for HPGe Detectors |
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作者 | 林威廷; 蘇明峰; 李城忠; 蔡昱中; 葉偉文; | 書刊名 | 台電工程月刊 |
卷期 | 609 1999.05[民88.05] |
頁次 | 頁1-16 |
分類號 | 449.62 |
關鍵詞 | 蒙地卡羅法; 混和法; 純鍺偵檢器; 全能峰效率; 有效立體角; Monte carlo method; Hybrid method; HPGe detector; Full-energy peak efficiency; Effective solid angle; |
語文 | 中文(Chinese) |
中文摘要 | HPGe偵檢器經常被實驗室用來進行輻射偵測,但由於不同射源之全能峰效率應驗 校正過程繁瑣且困難,因此本計畫提出一套使用有效立體角概念進行HPGe偵檢器全能峰效 率計算之混合法。對均勻射源,實驗和混合法得到相當一致的結果,對非均勻射源,造成實 驗結果偏差之原因亦加以討論。本計畫並建立一套可在個人電腦上運作的HPGe偵檢器全能 峰效率評估系統,此系統並包含使用者介面與資料庫。 |
英文摘要 | HPGe detector is generally used by laboratories for the monitoring of the radiation. Because the experimental calibration of full-energy peak efficiency is tedious and even difficult for extended sources, this project propose a hybrid method using the concept of effective solid angle for calculating full-energy peak efficiency of HPGe detectors. Measurements and calculations are in good agreement for uniform sources. Reasons for the deviations of nonuniform sources are discussed. A personal computer based system has been developed for full-energy peak efficiency calculations of HPGe detector. Design of user interface and database are also included in the system. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。