Evaluation of the performance of irradiated silicon strip sensors for the forward detector of the ATLAS Inner Tracker Upgrade

Evaluation of the performance of irradiated silicon strip sensors for the forward detector of the ATLAS Inner Tracker Upgrade
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ATLAS 内部跟踪器升级版前向探测器的辐照硅带传感器性能评估

DOI:
10.1016/j.nima.2016.04.044
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发表时间:
2016
期刊:
Accelerators, Spectrometers, Detectors and Associated Equipment
影响因子:
--
通讯作者:
Mori R
Mori R
中科院分区:
--
文献类型:
--
作者:
Mori R

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预计在大约十年内升级到高亮度LHC对ATLAS内部跟踪器和前部区域的硅条传感器来说是一个巨大的挑战。ATLAS合作开发了几种条形传感器设计,并由Hamamatsu制造,以便在整个有源区的电荷收集效率及其均匀性方面保持足够的性能。在立体声条带传感器的情况下,特别值得注意的是传感器边缘附近的区域,其中较短的条带被组合成完整的条带。在这项工作中,电气和电荷收集的辐射微型传感器与前向几何形状的测试结果。从电荷收集效率的测量结果表明,在最大预期的能量密度,收集的电荷大致减半相对于照射前获得的。激光测量显示出传感器上良好的信号均匀性。成组条带具有与标准条带类似的效率。
The upgrade to the High-Luminosity LHC foreseen in about ten years represents a great challenge for the ATLAS inner tracker and the silicon strip sensors in the forward region. Several strip sensor designs were developed by the ATLAS collaboration and fabricated by Hamamatsu in order to maintain enough performance in terms of charge collection efficiency and its uniformity throughout the active region. Of particular attention, in the case of a stereo-strip sensor, is the area near the sensor edge where shorter strips were ganged to the complete ones. In this work the electrical and charge collection test results on irradiated miniature sensors with forward geometry are presented. Results from charge collection efficiency measurements show that at the maximum expected fluence, the collected charge is roughly halved with respect to the one obtained prior to irradiation. Laser measurements show a good signal uniformity over the sensor. Ganged strips have a similar efficiency as standard strips.
用于 ATLAS 内部跟踪器升级的强辐射带状传感器的电荷收集和场分布研究
DOI: 10.1016/j.nima.2016.04.035
发表时间: 2016
期刊: Accelerators, Spectrometers, Detectors and Associated Equipment
影响因子: --
作者:
Hara K
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期刊: Accelerators, Spectrometers, Detectors and Associated Equipment
影响因子: --
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发表时间: 1999
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DOI: 10.1016/j.nima.2016.05.007
发表时间: 2016
期刊: Accelerators, Spectrometers, Detectors and Associated Equipment
影响因子: --
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Liang Z
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