TPC跟踪器GEM空间点分辨率研究

Physics and experiments with future linear e+ e- colliders Pub Date : 2001-09-12 DOI:10.1063/1.1394433

D. Karlen, Bob Carnegie, M. Dixit, J. Dubeau, H. Mes, M. O’Neill, E. Neuheimer, Anna K. Kristofferson, Jeff Mottershead

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引用次数: 5

摘要

气体电子倍增器(GEM)是未来线性对撞机探测器中时间投影室(TPC)读出的主要候选器件。本报告描述了具有相对较大的六边形垫片的GEM空间点分辨率的测量。采用电荷共享和感应信号两种独立的方法，对4.5 keV的x射线获得了约50 μm的分辨率。

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Investigation of GEM space point resolution for a TPC tracker

The Gas Electron Multiplier (GEM) is a leading candidate for the readout of the Time Projection Chamber (TPC) at a future linear collider detector. This presentation describes measurements of the space point resolution of a GEM with relatively large hexagonal pads. Resolution of approximately 50 μm is achieved for 4.5 keV x-rays with two independent methods, using charge sharing and using induction signals.

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Physics and experiments with future linear e+ e- colliders

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