Efficiency and noise measurements of non-uniformly irradiated double-sided silicon strip detectors

We have investigated the efficiency and the noise occupancy of double-sided silicon strip detectors, which were subjected to non-uniform proton irradiation of fluences up to a maximum of equivalent 5 × 10 13 protons/cm 2. The depletion voltages, varying over time due to controlled annealing, were cl...

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Published in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 1996-12, Vol.383 (1), p.174-178
Main Authors: Dubbs, T., Kashigin, S., Kratzer, M., Kroeger, W., Pulliam, T., Sadrozinski, H.F.-W., Schwab, M., Spencer, E., Wichmann, R., Wilder, M., Unno, Y., Ohsugi, T.
Format: Article
Language:English
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Summary:We have investigated the efficiency and the noise occupancy of double-sided silicon strip detectors, which were subjected to non-uniform proton irradiation of fluences up to a maximum of equivalent 5 × 10 13 protons/cm 2. The depletion voltages, varying over time due to controlled annealing, were close to zero on one end of the 6 cm strips and 190 V at the high radiation end. We determined the efficiency and noise occupancy on both n-side and p-side in a 106Ru telescope, using a binary read-out system with 22 ns shaping time. The n-side exhibits superior performance after type inversion.
ISSN:0168-9002
1872-9576
DOI:10.1016/S0168-9002(96)00749-8