A Fast High Resolution Beam Hodoscope Using Silicon Microstrip Detectors
- 1 February 1982
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Nuclear Science
- Vol. 29 (1), 405-409
- https://doi.org/10.1109/tns.1982.4335875
Abstract
Silicon detectors with a parallel strip pattern of 50 μm periodicity are used for the detection of high energy particles. Four detectors are mounted together in a beam hodoscope, which permits a measurement of the particle trajectory with a precision better than 20 μm. To each strip is connected a bipolar current sensitive preamplifier which provides a signal, shorter than 20 ns. It is shown that an optimal signal/noise ratio can be obtained if the signal is kept short throughout the signal processing chain. The noise after transmission over 100 m is 1300 electrons r.m.s. With such a hodoscope single particle detection is possible for intensities in the range 108-109 cm-2 s-1, and when used as a vertex detector, the parallel signal processing enables good particle separation in high multiplicity events.Keywords
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