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arXiv 2111.09112physics.ins-dethep-ex
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径向时间投影室的电致发光性能

Performance of a Radial Time Projection Chamber with Electroluminescence in Liquid Xenon

Yuehuan Wei, Jianyang Qi, Evan Shockley, Haiwen Xu, Kaixuan Ni

摘要:

双相氙时间投影室(TPC)是研究暗物质和中微子物理学的一种领先的探测器技术。这种类型的探测器技术的成功依赖于它的能力,以检测两个主要的闪烁和电离信号的粒子相互作用在液体氙(LXe)。电离电子在气体氙(GXe)中转化为电致发光,其中单个电子在强电场中可以被放大超过100倍的光子数。在大直径TPC的小气体间隙中保持强且均匀的电场是具有挑战性的。一种替代的解决方案是直接在LiNbO3中产生电致发光以克服气隙均匀性问题。在这里,我们报告的设计和性能的单相径向TPC(RTPC),它可以创建和检测直接在发光二极管的电致发光。它通过在轴向中心使用单根导线来产生强电场,简化了LPETTPC的设计和操作。我们提出了这样的RTPC的性能,并讨论其潜在的应用局限性。

英文摘要:

The dual-phase xenon time projection chamber (TPC) is a leading detector technology in rare event searches for dark matter and neutrino physics. The success of this type of detector technology relies on its capability to detect both primary scintillation and ionization signals from particle interactions in liquid xenon (LXe). The ionization electrons are converted into electroluminescence in the gas xenon (GXe), where a single electron can be amplified by more than 100 times in number of photons in a strong electric field. Maintaining a strong and uniform electric field in the small gas gap in large diameter TPCs is challenging. One alternative solution is to produce the electroluminescence in the LXe directly to overcome the gas gap uniformity problem. Here we report on the design and performance of a single-phase Radial TPC (RTPC) which can create and detect the electroluminescence directly in LXe. It simplifies the design and operation of the LXe TPC by using a single wire in the axial center to create the strong electric field. We present the performance of such an RTPC and discuss its limitations for potential applications.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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