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Response of a thin silicon radiation sensor, Landau distribution #831

Answered by ftessier
Jaap1957 asked this question in Physics
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The top curve is the response from a silicon detector, but I am not sure what it represents exactly (voltage distribution?). There is a lot going on between the energy deposition events and the production of the signal: bias, drift, recombination, gain, time resolution and so on.

The Monte Carlo curve represents the distribution of energy deposited for each incident electron, so it is closer to what would be measured if you could detect a single electron at a time in the sensor; state of the art time resolution seems to be ~100 ps, corresponding to incident beam currents in the nanoamps range. It would be interesting to understand how this signal is convoluted into the detector response. …

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