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首页> 外文期刊>Proceedings of the Arkansas Academy of Science >A Drift Chamber Utilizing Microstrip Readout for Testing a New Micro TPC Concept
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A Drift Chamber Utilizing Microstrip Readout for Testing a New Micro TPC Concept

机译：利用微带读数的漂移室用于测试新型微型TPC概念

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摘要

A drift chamber type radiation detector is being used to examine design criteria for a new type of detector called a micro Time Projection Chamber (micro TPC) which is being proposed for use in high energy nuclear physics experiments. The main advantage of the micro TPC detector is its very low radiation thickness compared to its silicon counterpart. The micro TPC is a charged-particle detector which will be optimized for good two track resolution which is needed in a high track density environment. Such performance requires low electron diffusion and high resolution readout. The diffusion will be reduced by limiting the drift distance to 15 cm and by using a low diffusion gas such as dimethyl ether. High resolution will be obtained by using a new readout technology called microstrips. Microstrips are a recent development using photolithography techniques that allow the creation of anodes a few microns in width with submicron precision. The main purpose of this test chamber is to demonstrate the feasibility of a micro TPC design using a low diffusion gas and to insure the sufficient signal remains after electron attenuation. The drift chamber design and the proposed testing procedures are described.
机译：漂移室式辐射探测器正被用于检查一种新型探测器的设计标准，该探测器被称为微型时间投影室（micro TPC），该微型探测器被提议用于高能核物理实验。微型TPC检测器的主要优点是与硅对应物相比，辐射厚度极低。微型TPC是带电粒子检测器，将针对高磁道密度环境中所需的良好两磁道分辨率进行优化。这种性能要求低电子扩散和高分辨率读数。通过将漂移距离限制在15 cm并使用低扩散气体（例如二甲醚），可以减少扩散。通过使用一种称为微带的新读出技术，可以获得高分辨率。微带是使用光刻技术的最新发展，它允许创建亚微米精度的几微米宽的阳极。该测试室的主要目的是证明使用低扩散气体的微型TPC设计的可行性，并确保在电子衰减后仍保留足够的信号。描述了漂移室的设计和建议的测试程序。

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