[Castor-users] Problems with cylindricalPET reconstrution for Cherenkov Photons....

[Dania Consuegra]

Dear CASToR users,

I have been able to use CASToR reconstruction with a conventional
CylindricalPET with nice results. However, I'm having problems with adapt
my PETscanner for Cherenkov Photons to a CylindricalPET.


For my PETscanner I was defined previously the attach part as follows:


/gate/systems/PETscanner/level1/attach block

/gate/systems/PETscanner/level2/attach radiator

/gate/systems/PETscanner/level3/attach window

/gate/systems/PETscanner/level4/attach photodetector

/gate/window/attachCrystalSD


The block which is the structure that I repeat in the ring (I have 4 rings)
is now my rsector. The problem is that my radiator (PbF2), my window and my
photodetector (SiPM) are all inside this main block and I repeat each
structure individually inside the block. I *c**an*'*t *define in the
attach part
my window as a submodule because is*n*'*t **a *box inside the radiator and I
*c**an*'*t **define my **photodetector **as a crystal because is**n't **a
box inside the **window…. *

*I used **setDepth4 (also tested with 2) and the reconstruction **was**n't**
useful….*


/gate/systems/cylindricalPET/rsector/attach block

/gate/systems/cylindricalPET/module/attach radiator

/gate/systems/cylindricalPET/module/attach window

/gate/systems/cylindricalPET/module/attach photodetector

/gate/window/attachCrystalSD


/gate/digitizer/Singles/insert opticaladder

/gate/digitizer/Singles/insert readout

/gate/digitizer/Singles/readout/setDepth 4


I also attached the DaniaGeom.geom that was generated by CASToR in the
config folder….

I think everything is in order except of course, the size of the PbF2
crystals….

Any help I would really appreciate it….

Kind regards,

Dania Consuegra Rodríguez

*Phd student **Jožef Stefan Institute*
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