[Gate-users] Multi-System Coincidences

[Eder Rezende Moraes]

H Raylman, My suggestion is you create your own coincidence processor on
root code.

I had already this problem, and to solve I did this.

Best Regardings, Eder R. Moraes


Prof. Dr. Eder Rezende Moraes
Departamento de Física
Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto
Universidade de São Paulo
Tel  + 55 16 3315 4866
Fax + 55 16 3315 4887

2014-11-13 19:50 GMT-02:00 Raylman, Raymond <rraylman at hsc.wvu.edu>:

> Hi-
>
> I am trying to create an asymmetrical PET scanner by rotating two panel
> detectors around the axis of the scanner.  Each detector has a different
> radius of rotation, making it asymmetrical.
>
> My first attempt at this simulation was to create two systems (using the
> PETscanner system type), each one consisting of a single detector head.
> The detectors are arranged so that they oppose each other, so coincidences
> are physically possible.  When I run the simulation I get some singles,
> but no coincidences. I have tried different schemes for attaching the
> systems, but have had no luck.
>
> So my questions are: Is it possible in GATE to produce coincidences from
> two single detector systems (I know about TriCoinc, but that appears to be
> for forming coincidences between a PET scanner and a separate detector)?
> If so, any suggestions on how to make such a system?
>
> Thanks,  Ray
>
>
>
>
>
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