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Question Cell Charge Scoring Problem 

Forum: Biasing and Scoring
Date: 11 Nov, 2010
From: Ibrahim <Ibrahim>

Hi,

I have the following problem with cell charge scoring: X rays are absorbed by Gd2O2S scintillating screen and optical photons are generated. Directly behind Gd2O2S there is pixelated Silicon which is considered as photocathode. I calculate the flux of optical photons in each pixel of silicon and it works well.

Now, Optical photons are absorbed by the pixelated Silicon and electrons are created. I would like to score the charge in each cell (pixel). I run my program but the result is ZERO charge in each pixel. Does anybody know why ?

I highly appreciate your help and cooperation.

Man kind regards

Ibrahym

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