Performance evaluation of position-sensitive silicon detectors with four-corner readout
Performance evaluation of position-sensitive silicon detectors with four-corner readout
复制标题
DOI：
10.1016/j.nima.2008.05.016
复制
发表时间：
2007-10
影响因子：
1.4
通讯作者：
A. Banu;Yan Li;M. McCleskey;C. Gagliardi;L. Trache;R. Tribble;M. Bullough;S. Walsh;C. Wilburn
中科院分区：
文献类型：
--
作者：
A. Banu;Yan Li;M. McCleskey;C. Gagliardi;L. Trache;R. Tribble;M. Bullough;S. Walsh;C. Wilburn
我们报告了最近开发的具有四角读数的大面积位置敏感硅探测器。它由一个方形离子注入电阻阳极组成，周围有额外的低电阻率条带，其电阻比阳极表面电阻小两倍。使用α粒子和加速重离子测量探测器位置线性度、位置分辨率和能量分辨率。光束内实验结果显示位置分辨率低于 1mm (FWHM)，并且非线性度低于 1% (rms)。对于几何面积为62mm×62mm和20mm×20mm的探测器，根据对应于6778keV的α线能量的228Thα源测量确定的能量分辨率分别为155和68keV（FWHM）。
We report on a recently developed large-area position-sensitive silicon detector type with four-corner readout. It consists of a square-shaped ion-implanted resistive anode framed by additional low-resistivity strips with resistances smaller than the anode surface resistance by a factor of two. The detector-position linearity, position resolution and energy resolution were measured with α-particles and accelerated heavy ions. In-beam experimental results reveal a position resolution below 1mm (FWHM) and a very good non-linearity of less than 1% (rms). The energy resolution determined from228Th alpha source measurements corresponding to an alpha line energy of 6778keV is 155 and 68keV (FWHM) for detectors with geometric areas of 62mm×62mm and 20mm×20mm, respectively.