High-Accuracy Position Measurements with Drift Chambers and Proportional Chambers
- 1 February 1974
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Nuclear Science
- Vol. 21 (1), 38-44
- https://doi.org/10.1109/tns.1974.4327442
Abstract
By constructing multiwire drift chambers with a uniform electric field saturating the drift velocity, a perfectly linear response is obtained over all the chamber. The accuracy is close to σ = 100 4327442m. A similar accuracy is obtained for inclined tracks and in magnetic fields of the order of 1 tesla. By measuring the centre of gravity of avalanches a very high accuracy is obtained in the measurement of the two coordinates of avalanches in a single gap of a proportional chamber. The applications of the method to the mapping of spatial distributions of soft X-rays are discussed.Keywords
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