Diamond Microstrip Detectors for Nuclear Physics Applications

*9804332Vlahov我们将使用微带钻石探测器改进杰斐逊实验室A厅的束流和束流监测系统。5微米厚的钻石薄膜将被0.1微米厚的钛-金电极条覆盖，宽50微米，间隔100微米。当探测器被放置在CEBAF束中时，它将收集由束中的电子产生的对。通过测量每个带状电极收集的电荷量，束流位置将被测量到5到10微米的精度。通过计算电子束产生的总电荷量，我们将测量电子束的电流。此外，利用金刚石薄膜，我们将建造并测试一个原型探测器，用于测量使用改进的成对生产方法的线偏振光子束的偏振。改装后的旋光仪将可在CEBAF能量下工作，并将在分析功率方面提高3倍。

***9804332VlahovicWe will improve the beam position and beam current monitoring systems in Hall A at Jefferson Lab by using a microstrip diamond detector. A 5 micron thick film of diamond will be covered by 0.1 micron thick titanium-gold electrode strips, 50 microns wide and 100 microns separated. The detector when placed in CEBAF`s beam will collect pairs generated by the electrons in the beam. By measuring the amount of charges collected by each of the strip electrodes the beam position be will measured to an accuracy of 5 to 10 microns. By calculating the total amount of charge generated by the beam we will measure the beam's current. In addition, using thin diamond films, we will build and test a prototype detector for measuring the polarization of a linearly polarized photon beam that uses a modified pair production method. The modified polarimeter will be operable at CEBAF energies and will have a factor of 3 improvement in analyzing power.***