Journal
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Volume 598, Issue 2, Pages 432-438Publisher
ELSEVIER
DOI: 10.1016/j.nima.2008.09.041
Keywords
Tracking detectors; GEM; Micro-pattern gas detectors
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Funding
- U.S. Department of Energy, Division of Nuclear Physics [DE-AC02-06CH11357, DE-FG02-90ER40562, DE-FG02-94ER40818]
- US-DOE SBIR [DE-FG02-05ER84169]
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Three Gas-Electron-Multiplier (GEM) tracking detectors with an active area of 10 cm x 10 cm and a two-dimensional, laser-etched orthogonal strip readout have been tested extensively in particle beams at the Meson Test Beam Facility at Fermilab. These detectors used GEM foils produced by Tech-Etch, Inc. They showed an efficiency in excess of 95% and spatial resolution better than 70 pm. The influence of the angle of incidence of particles on efficiency and spatial resolution was studied in detail. (C) 2008 Elsevier B.V. All rights reserved.
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