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Application of double-sided silicon strip detectors to Compton cameras

机译:双面硅条探测器在康普顿相机中的应用

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We have developed a Compton camera with a double-sided silicon strip detector (DSSD) for hard X-ray and gamma-ray observation. Using a DSSD as a scatter detector of the Compton camera, we achieved high angular resolution of 3.4° at 511 keV. Through the imaging of various samples such as two-dimentional array sources and a diffuse source, the wide field-of-view (~ 100°) and the high spatial resolution (at least 20 mm at a distance of 60 mm from the DSSD) of the camera were confirmed. Furthermore, using the List-Mode Maximum-Likelihood Expectation-Maximization method, the camera can resolve an interval of 3 mm at a distance of 30 mm from the DSSD.
机译:我们开发了带有双面硅条检测器(DSSD)的康普顿相机,用于进行硬X射线和伽马射线观察。使用DSSD作为康普顿相机的散射检测器,我们在511 keV时实现了3.4°的高角分辨率。通过对各种样品(例如二维阵列源和漫射源)进行成像,可获得宽视场(〜100°)和高空间分辨率(距DSSD 60 mm处至少20 mm)的相机被确认。此外,使用列表模式最大可能性期望最大化方法,相机可以在距DSSD 30mm的距离上分辨3mm的间隔。

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