REPEAT YOUR BLOCK (TRPD) # IN YOURSCANNERPET (8 detectores) # LYSO box is repeated around z axis /gate/LYSO/repeaters/insert ring /gate/LYSO/ring/enableAutoRotation /gate/LYSO/ring/setFirstAngle 270 deg # the above line sets the first detector at 12 hour

/gate/LYSO/ring/setPoint1 0. 0. 0. mm /gate/LYSO/ring/setPoint2 0. 0. -1. mm /gate/LYSO/ring/setRepeatNumber 8

#trapezoid is repeated around x axis /gate/trapezoid/repeaters/insert ring /gate/trapezoid/ring/enableAutoRotation /gate/trapezoid/ring/setFirstAngle 270 deg # the above line sets the first detector at 12 hour /gate/trapezoid/ring/setPoint1 0. 0. 0. mm /gate/trapezoid/ring/setPoint2 1. 0. 0. mm /gate/trapezoid/ring/setRepeatNumber 8 /gate/trapezoid/repeaters/insert cubicArray /gate/trapezoid/cubicArray/setRepeatNumberX 3 /gate/phantom1/daughters/name phantom2 /gate/phantom1/daughters/insert cylinder /gate/phantom2/geometry/setRmax 1.75 mm /gate/phantom2/geometry/setRmin 0. mm /gate/phantom2/geometry/setHeight 60 mm /gate/phantom2/placement/setTranslation 0 -5.9 0 mm /gate/phantom2/setMaterial Plastic /gate/phantom2/vis/setColor green /gate/phantom2/vis/forceWireframe

#### # PHANTOM 3

/gate/phantom2/daughters/name phantom3 /gate/phantom2/daughters/insert cylinder /gate/phantom3/geometry/setRmax 1.05 mm /gate/phantom3/geometry/setRmin 0 mm /gate/phantom3/geometry/setHeight 60 mm /gate/phantom3/setMaterial Water /gate/phantom3/vis/setColor green /gate/phantom3/vis/forceWireframe

#### # ATTACH PHANTOM SD

/gate/phantom1/attachPhantomSD /gate/phantom2/attachPhantomSD /gate/phantom3/attachPhantomSD /gate/FrontPad/attachPhantomSD #FrontPad is defined in camera.mac

#### **10.1.5 Physical processes description macro: Physics.mac**
