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So I'm simulating a silicon detector with an electron source incident on it. I need to get 2 efficiency curves, one "photo-peak" and one "any energy".

I've got the photo peak one, but I don't understand what is meant by "Any energy". I know that the outputted efficiency curve for "any energy" should be a straight horizontal line, as shown on this sketch:

sketch of photo-peak and "any energy" efficiency

The only way I can imagine this graph being the result is if "any energy" actually means total or absolute efficiency, which is found using the ratio of the total registered events with respect to events emitted. This way, I can imagine that my graph should be a horizontal straight line (or near enough). Is this the case?

Any help would be appreciated, thanks.

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    $\begingroup$ Search term: 'minimum ionizing particle' $\endgroup$ – rob Feb 7 at 15:23

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