[Gate-users] Signal Processing error?

[Igor Fagner Vieira]

I'm trying to use the GATE V6 to
complete a course of Monte Carlo in my graduation. My goal is to reproduce the signal
processing already simulated by Schmidtlein et al. (see attached
article) ...
When I run the macro with the full details of the
simulation, runs it without error messages. O problem is in the Root
file output where appears:
##
Root Output
Acquisition
start time = 0 [s]
 Acquisition stop time  = 50400
[s]
 F-18 decay factor = 0.187592     

 F-18 initial activity = 2748.5 [Bq]
 F-18 decays =
2.59861e+07         

 ==> Expected total number of decays during the
acquisition is 2.59861e+07 +/- 5097.66
 There are 0 true
unscattered coincidences                                           

 There are 0 random
coincidences                                                     

 There are 0 scattered
coincidences                                                  

  ==> there are 0 coincidences (true, scattered, and
random)
#####################################################

I
suspect that there is any error in my
code (below) which
aims to simulate the signal processing by simulated Schmidtlein et al
(attached article)...
# my
code...
#
A D D E R

/gate/digitizer/Singles/insert                                      
adder
# R E A D O U
T
/gate/digitizer/Singles/insert                                      
readout
/gate/digitizer/Singles/readout/setDepth                    
1

#D E F I N E Q U A N T U M E F F I C I E N C Y OF T H E P H
O T O D E T E C T O
R
/gate/digitizer/Singles/insert                             
quantumEfficiency
/gate/digitizer/Singles/quantumEfficiency/chooseQEVolume   
module
/gate/digitizer/Singles/quantumEfficiency/setUniqueQE      
0.90

#ENERGY
BLURRING
/gate/digitizer/Singles/insert                            
blurring
/gate/digitizer/Singles/blurring/setResolution            
0.20
/gate/digitizer/Singles/blurring/setEnergyOfReference     
511.0 keV

#
NOISE
/gate/distributions/name                                  
gaussian
/gate/distributions/insert                                
Gaussian
/gate/distributions/gaussian/setMean                      
255.0 keV
/gate/distributions/gaussian/setSigma                     
30.0 keV

#
CRYSTALBLURRING
/gate/digitizer/Singles/insert                                      
crystalblurring
/gate/digitizer/Singles/crystalblurring/setCrystalResolutionMin     
0.10
/gate/digitizer/Singles/crystalblurring/setCrystalResolutionMax     
0.20
/gate/digitizer/Singles/crystalblurring/setCrystalQE                
0.90
/gate/digitizer/Singles/crystalblurring/setCrystalEnergyOfReference 
511.0
keV

#DEADTIME
/gate/digitizer/Singles/name                              
moduledeadtime
/gate/digitizer/Singles/insert                            
deadtime
/gate/digitizer/Singles/moduledeadtime/setDeadTime        
625 ns
/gate/digitizer/Singles/moduledeadtime/setMode            
paralysable
/gate/digitizer/Singles/moduledeadtime/chooseDTVolume     
module

#DEADTIME
/gate/digitizer/Singles/name                              
rsectordeadtime
/gate/digitizer/Singles/insert                            
deadtime
/gate/digitizer/Singles/rsectordeadtime/setDeadTime       
625 ns
/gate/digitizer/Singles/rsectordeadtime/setMode           
paralysable
/gate/digitizer/Singles/rsectordeadtime/chooseDTVolume    
rsector

# E N E R G Y W I N D O
W
/gate/digitizer/Singles/insert                       
thresholder
/gate/digitizer/Singles/thresholder/setThreshold     
350. keV
/gate/digitizer/Singles/insert                       
upholder
/gate/digitizer/Singles/upholder/setUphold           
650. keV

#=====================================================
#   
C O I N C I D E N C E    S O R T E
R
#=====================================================

/gate/digitizer/Coincidences/setWindow                    
6.25 ns
/gate/digitizer/Coincidences/MultiplesPolicy              
takeAllGoods
/gate/digitizer/name                                     
          
delay
/gate/digitizer/insert                                                
coincidenceSorter
/gate/digitizer/delay/setWindow                          
     6.25
ns
/gate/digitizer/delay/setOffset                          
       500.
ns
/gate/digitizer/delay/MultiplesPolicy                         
takeAllGoods
##########################################
I
would like a help, please!
Thanks,
Igor Fagner.
 		 	   		  
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