Tests of the detector system for the Stopping Target Monitor of the MU2E experiment in a high flux pulsed gamma beam

This dataset contains data generated with LaBr and Nal detector (DSPEC and oszilloscope data) at the gELBE beam. The gELBE pulsed gamma beam to test the detector system for the Stopping Target Monitor of the MU2E experiment. The gELBE pulsed gamma beam with narrow pulses set to about 600 kHz repetition rate - the choice of the ELBE CW mode with micropulses at 406 kHz or 812.5 kHz is ideal in our case- is the unique facility in the world suited to study the performance of the Stopping Target Monitor detector of the Mu2e Experiment. The STM monitor has the crucial role to normalize the charged lepton flavor muon conversion rate in the Mu2e experiment. The ability to operate at high rate in presence of background is crucial. We have at ELBE the unique possibility to validate the final methodology that will be employed by the STM detector.

本数据集包含在gELBE束流线上使用LaBr探测器与NaI（Nal）探测器采集的实验数据，涵盖DSPEC数据与示波器数据。本次实验依托gELBE脉冲伽马束流，为Mu2E实验的停止靶监测器（Stopping Target Monitor，STM）测试其配套探测器系统。该gELBE脉冲伽马束流采用窄脉冲模式，默认重复频率约为600 kHz；本次实验选用ELBE连续波（Continuous Wave，CW）模式下的微脉冲频率406 kHz或812.5 kHz作为最优方案，而该装置是全球独有的可用于研究Mu2e实验停止靶监测器探测器性能的专属实验平台。停止靶监测器（STM）在Mu2e实验中承担着为带电轻子味μ子转换率进行归一化校正的核心作用，该探测器在本底辐射环境下实现高计数率运行的能力至关重要。我们可依托ELBE装置的独有条件，对STM探测器后续将采用的最终验证方法开展实验校验。