用单片硅像素开拓Gamma-ray天体物理学的未来
Developing the Future of Gamma-ray Astrophysics with Monolithic Silicon Pixels
摘要：
本文探讨了AstroPix的潜力，这是一个为下一代天基高能天体物理实验开发互补金属氧化物半导体（CMOS）像素的项目。多信使天体物理学是一个快速发展的领域，其即将到来的任务需要新的探测器技术的支持，如AstroPix。ATLASPix是为欧洲核子研究中心的ATLAS粒子探测器优化的单片硅探测器，是更大的AstroPix项目的开始。能量分辨率是伽玛射线事件重建的驱动参数，因此ATLASPix能量分辨率的表征是本文的重点。探测器的固有能量分辨率超过了我们在60 keV下<10%的基线要求。ATLASPix的数字输出导致能量分辨率不足以推进伽马射线天文学。然而，来自内在能量分辨率的结果表明探测器的数字能力可以重新设计，并且已经构建了更大的AstroPix项目的下一代像素。AstroPix-type像素的迭代是支持新的空间任务的令人兴奋的技术候选者。
英文摘要：
This paper explores the potential of AstroPix, a project to develop Complementary Metal Oxide Semiconductor (CMOS) pixels for the next generation of space-based high-energy astrophysics experiments. Multimessenger astrophysics is a rapidly developing field whose upcoming missions need support from new detector technology such as AstroPix. ATLASPix, a monolithic silicon detector optimized for the ATLAS particle detector at CERN, is the beginning of the larger AstroPix project. Energy resolution is a driving parameter in the reconstruction of gamma-ray events, and therefore the characterization of ATLASPix energy resolution is the focus of this paper. The intrinsic energy resolution of the detector exceeded our baseline requirements of <10% at 60 keV. The digital output of ATLASPix results in energy resolutions insufficient to advance gamma-ray astronomy. However, the results from the intrinsic energy resolution indicate the digital capability of the detector can be redesigned, and the next generation of pixels for the larger AstroPix project have already been constructed. Iterations of AstroPix-type pixels are an exciting technology candidate to support new space-based missions.
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