22000道SiPM-on-Tile强子量热计系统的调试、特性和温度稳定
Commissioning, Characterisation and Temperature Stabilisation of a 22000 Channel SiPM-on-Tile Hadron Calorimeter System
摘要：
随着一个高度颗粒化强子量能器系统的成功建造和运行，其特点是大约。22000个单独读出SiPM的瓦片通道，CALICE合作已经设定了下一个里程碑，证明了未来高能线性对撞机实验概念的可扩展性。对于这种大样本的光电传感器，需要一种新的质量控制方法，以充分验证和监测测试台和原位光束测试数据的设备参数。在工作期间存在温度波动的情况下，由于器件具有出色的参数均匀性，因此可以根据频繁的温度测量对偏置电压进行全自动调整，从而稳定SiPM响应。本文介绍了SiPM参数研究的结果，在施工和调试阶段和报告的系统性能和自动温度补偿的经验，在系统运行过程中。
英文摘要：
With the successful construction and operation of a highly granular hadron calorimeter system, featuring approx. 22000 individually read out SiPM-on-tile channels, the CALICE collaboration has set the next milestone in proving the scalability of the concept for a future high energy linear collider experiment. For this large sample of photosensors a new approach of quality control was required to sufficiently characterise and monitor device parameters for both, test bench and in-situ beam test data. In the presence of temperature fluctuations during operation, it was possible to stabilise the SiPM responses with a fully automated adjustment of the bias voltage based on frequent temperature measurements, thanks to the excellent parameter uniformity of the devices. This contribution presents the results of SiPM parameter studies during the construction and commissioning phase and reports about the system performance and the experience of automated temperature compensation at system level during operation.
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