[Gate-users] Z position

[venialgo_e]

Yes, I don't have any digitalizer modules, because I have done Matlab  
scripts in the way to have more freedom to select scatter and  
photoelectric interactions or both, calculate position using weighted  
average for position, and apply energy windows, etc.

Anyway I connect an adder and a energy window to system and...

In case 1 there are two peaks of counts in the crystal's top face, if  
the digitalizer is only an adder. The name of the files are  
case1_wo_window.gif and case1_wo_window.mac    .But if the digitalizer  
has an adder and energy window, so there is a maximum of counts in 18  
mm approx.   .The files for that case are case1digitalizer.gif and  
case1digitalizer.mac.

For case 2, is the same than before. There are counts only in second  
half of the crystal with an adder and energy window. The files are  
case2digitalizer.gif and case2digitalizer.mac.

And, In case 3, There is a maximum of counts in 10 mm approx, with and  
adder and energy window. The files are case3digitalizer.gif and  
case3digitalizer.mac .



I can't understand the different shapes of Z position. I expected and  
exponential decreasing shape.



     	Thanks a lot for your support.
     	Esteban Venialgo.

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