[Gate-users] Energy blurring module of GATE

sebnem erturk sebnem.erturk at gmail.com
Thu Apr 16 13:22:39 CEST 2009


Hi All,

I have some problems with my digitizer module.

I am simulating SPECT system.

And I tried two diffrent energy blurring value 0.10 and 0.268

Then I checked my root results.

2.35*sigma/mean value is ok with 0.10  I am taking 10 but for 0.268 value it
gives to me 32 not 26.8

#      E N E R G Y   B L U R R I N G
/gate/digitizer/Singles/insert blurring
/gate/digitizer/Singles/blurring/setResolution 0.10
/gate/digitizer/Singles/blurring/setEnergyOfReference 140. keV


With 0.10  I dont have any problem


#      E N E R G Y   B L U R R I N G
/gate/digitizer/Singles/insert blurring
/gate/digitizer/Singles/blurring/setResolution 0.268
/gate/digitizer/Singles/blurring/setEnergyOfReference 140. keV

But with 0.268 , I could not take 26.8  exaclt but 32.

What is the problem with it?

Thanks for any kind of help.

Sebnem
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