[Gate-users] problem of repeat number

[JinSu Kim]

Dear Gate users

 

2 head (like 2 head SPECT) PET was simulated using cylindrical PET code.

I found that there are no detected coincidence in case of < 4 ring repeat
number

However, there are detected singles event.

 

It is not due to low sensitivity.

In all cases ( < 4 ring repeat number), detected coincidence are definitely
0.

 

What do you think about this problem?

 

 

 

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