[Gate-users] SPECTbenchmark Result

[K.Alzimami at surrey.ac.uk]

Dear Gaters,
 
I have run SPECTbenchmark to test my Installation but I have got diiferent result from that in the User Guide. Is this usual and if it is noe how I can resolve it please?
 
I have attached my macros and please see the results below.
 
Thank you very much in advance.
 
Enter the lower energy threshold (MeV)

0.02

Lower energy threshold is 0.020000 MeV

Enter the upper energy threshold (MeV)

0.19

Upper energy threshold is 0.190000 MeV

Enter the number of energy windows

100

Energy range will be divided into 100 energy windows

Enter the number of scattering volume (max is 10)

6

6 scattering volumes will be considered

Enter the first four letters of the scattering volume number 1

shie

Enter the first four letters of the scattering volume number 2

coll

Enter the first four letters of the scattering volume number 3

comp

Enter the first four letters of the scattering volume number 4

tabl

Enter the first four letters of the scattering volume number 5

movs

Enter the first four letters of the scattering volume number 6

Phan

The scattering volumes that will be considered are the following:

shie

coll

comp

tabl

movs

Phan

Beginning of processing

 

End of processing

 

File fich_p correponds to the Unscattered spectrum

File fich_c correponds to the photons which have scattered in the crystal

File fich_t correponds to the total ernergy spectrum

File fich_1 correspond to the photon whose last scatter interaction was in the shie volume

File fich_2 correspond to the photon whose last scatter interaction was in the coll volume

File fich_3 correspond to the photon whose last scatter interaction was in the comp volume

File fich_4 correspond to the photon whose last scatter interaction was in the tabl volume

File fich_5 correspond to the photon whose last scatter interaction was in the movs volume

File fich_6 correspond to the photon whose last scatter interaction was in the Phan volume

File name fich_o1 corresponds to the first order scatter

File name fich_o2 corresponds to the second order scatter

File name fich_o3 corresponds to the third order scatter

File name fich_o4 corresponds to the fourth order scatter

File name fich_o5 corresponds to the scatter order greater than 4

Number of counts for the total energy spectrum = 35753

Number of counts for the Unscattered spectrum =12751

Number of counts for the total scatter spectrum =23002

Number of counts for the crystal scatter spectrum =2298

Number of counts for the shie scatter spectrum = 1

Number of counts for the coll scatter spectrum = 125

Number of counts for the comp scatter spectrum = 445

Number of counts for the tabl scatter spectrum = 1073

Number of counts for the movs scatter spectrum = 4877

Number of counts for the Phan scatter spectrum = 14183

Number of counts for the order1 scatter spectrum = 11074

Number of counts for the order2 scatter spectrum = 6079

Number of counts for the order3 scatter spectrum = 2950

Number of counts for the order4 scatter spectrum = 1521

Number of counts for scatter orders greater than 4 spectrum = 1378

##########################################################################

Number of detected counts from 0.020 to 0.190 MeV : 35753

Unscattered events (percentage of total counts)= 35.66

Scatter in the crystal (percentage of total counts) = 6.43

Scatter in the shie volume (percentage of total scatter) = 0.00

Scatter in the coll volume (percentage of total scatter) = 0.35

Scatter in the comp volume (percentage of total scatter) = 1.24

Scatter in the tabl volume (percentage of total scatter) = 3.00

Scatter in the movs volume (percentage of total scatter) = 13.64

Scatter in the Phan volume (percentage of total scatter) = 39.67

Scatter order1 (percentEnter the lower energy threshold (MeV)

0.02

Lower energy threshold is 0.020000 MeV

Enter the upper energy threshold (MeV)

0.19

Upper energy threshold is 0.190000 MeV

Enter the number of energy windows

100

Energy range will be divided into 100 energy windows

Enter the number of scattering volume (max is 10)

6

6 scattering volumes will be considered

Enter the first four letters of the scattering volume number 1

shie

Enter the first four letters of the scattering volume number 2

coll

Enter the first four letters of the scattering volume number 3

comp

Enter the first four letters of the scattering volume number 4

tabl

Enter the first four letters of the scattering volume number 5

movs

Enter the first four letters of the scattering volume number 6

Phan

The scattering volumes that will be considered are the following:

shie

coll

comp

tabl

movs

Phan

Beginning of processing

End of processing

File fich_p correponds to the Unscattered spectrum

File fich_c correponds to the photons which have scattered in the crystal

File fich_t correponds to the total ernergy spectrum

File fich_1 correspond to the photon whose last scatter interaction was in the shie volume

File fich_2 correspond to the photon whose last scatter interaction was in the coll volume

File fich_3 correspond to the photon whose last scatter interaction was in the comp volume

File fich_4 correspond to the photon whose last scatter interaction was in the tabl volume

File fich_5 correspond to the photon whose last scatter interaction was in the movs volume

File fich_6 correspond to the photon whose last scatter interaction was in the Phan volume

File name fich_o1 corresponds to the first order scatter

File name fich_o2 corresponds to the second order scatter

File name fich_o3 corresponds to the third order scatter

File name fich_o4 corresponds to the fourth order scatter

File name fich_o5 corresponds to the scatter order greater than 4

Number of counts for the total energy spectrum = 35753

Number of counts for the Unscattered spectrum =12751

Number of counts for the total scatter spectrum =23002

Number of counts for the crystal scatter spectrum =2298

Number of counts for the shie scatter spectrum = 1

Number of counts for the coll scatter spectrum = 125

Number of counts for the comp scatter spectrum = 445

Number of counts for the tabl scatter spectrum = 1073

Number of counts for the movs scatter spectrum = 4877

Number of counts for the Phan scatter spectrum = 14183

Number of counts for the order1 scatter spectrum = 11074

Number of counts for the order2 scatter spectrum = 6079

Number of counts for the order3 scatter spectrum = 2950

Number of counts for the order4 scatter spectrum = 1521

Number of counts for scatter orders greater than 4 spectrum = 1378

##########################################################################

Number of detected counts from 0.020 to 0.190 MeV : 35753

Unscattered events (percentage of total counts)= 35.66

Scatter in the crystal (percentage of total counts) = 6.43

Scatter in the shie volume (percentage of total scatter) = 0.00

Scatter in the coll volume (percentage of total scatter) = 0.35

Scatter in the comp volume (percentage of total scatter) = 1.24

Scatter in the tabl volume (percentage of total scatter) = 3.00

Scatter in the movs volume (percentage of total scatter) = 13.64

Scatter in the Phan volume (percentage of total scatter) = 39.67

Scatter order1 (percentage of total scatter) = 48.14

Scatter order2 (percentage of total scatter) = 26.43

Scatter order3 (percentage of total scatter) = 12.82

Scatter order4 (percentage of total scatter) = 6.61

Scatter orders greater than 4 (percentage of total scatter) = 5.99

##########################################################################

age of total scatter) = 48.14

Scatter order2 (percentage of total scatter) = 26.43

Scatter order3 (percentage of total scatter) = 12.82

Scatter order4 (percentage of total scatter) = 6.61

Scatter orders greater than 4 (percentage of total scatter) = 5.99

##########################################################################

Enter the number of rows and columns of the images to be created

128

Image size is 128 x 128

Enter the lower energy threshold (MeV)

0.02

Lower energy threshold is 0.020000 MeV

Enter the upper energy threshold (MeV)

0.19

Upper energy threshold is 0.190000 MeV

Enter the size of the pixels (mm)

0.904

Pixels are 0.904000 mm x 0.904000 mm x

Beginning of processing

End of processinEnter the number of rows and columns of the images to be created

128

Image size is 128 x 128

Enter the lower energy threshold (MeV)

0.02

Lower energy threshold is 0.020000 MeV

Enter the upper energy threshold (MeV)

0.19

Upper energy threshold is 0.190000 MeV

Enter the size of the pixels (mm)

0.904

Pixels are 0.904000 mm x 0.904000 mm x

Beginning of processing

End of processing

Number of detected events in the image of primary and scattered photons = 17587

Number of primary events in the image of primary photons= 6242

Number of scattered events in the image of scattered photons = 11345

File Total correponds to the image of primary and scattered photons

File Primary correponds to the image of primary photons

File Scatter correponds to the image of scattered photons[Khalid at localhost Benchmark]$

g

Number of detected events in the image of primary and scattered photons = 17587

Number of primary events in the image of primary photons= 6242

Number of scattered events in the image of scattered photons = 11345

File Total correponds to the image of primary and scattered photons

File Primary correponds to the image of primary photons

File Scatter correponds to the image of scattered photons[Khalid at localhost Benchmark]$

 

 
Khalid Alzimami
Department of Physics 
School of Electronics & Physical Sciences
University of Surrey
Guildford, 
Surrey, 
GU2 7XH 
UK
tel. +44-1483-682697
fax. +44-1483-682724 
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