A Tracker for the Mu3e Experiment based on High-Voltage Monolithic Active Pixel Sensors
A Tracker for the Mu3e Experiment based on High-Voltage Monolithic Active Pixel Sensors
复制标题
基于高压单片有源像素传感器的 Mu3e 实验跟踪器
DOI:
10.1016/j.nima.2013.05.035
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发表时间:
2013
影响因子:
1.4
通讯作者:
N. Berger
中科院分区:
文献类型:
--
作者:
N. Berger
The Mu3e experiment searches for the lepton flavour violating decay μ+→ e+ e− e+, aiming for a branching fraction sensitivity of 10− 16. This requires an excellent momentum resolution for low energy electrons, high rate capability and a large acceptance. In order to minimise multiple scattering, the amount of material has to be as small as possible. These challenges can be met with a tracker built from high-voltage monolithic active pixel sensors (HV-MAPS), which can be thinned to 50 μ m and which incorporate the complete read-out electronics on the sensor chip. To further minimise material, the sensors are supported by a mechanical structure built from 25 μ m thick Kapton foil and cooled with gaseous helium.
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DOI:
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发表时间:
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影响因子:
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