|Message: Question about the linearity parameter in LYSO crystal||Not Logged In (login)|
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Dear geant4 users
I am trying to simulate the LYSO scintillator for position resolution calculation The simulation is going well but I am not able to reproduce the experimental results. I am trying to see the centroid of position of interaction at different position of the source placed normally to the LYSO crystal. Now as I move away from the centre of the crystal I should see the non-linear behaviour in the simulated position measurement but in the simulation I am observing a linear behaviour which is not true. The non-linear behaviour comes due to the contribution of the reflected photons from the surface of the scintillator.
Does anybody has any idea what kind of extra parameter do I need to include in the simulation to meet the experimental results.
In the following attachment the experimental non-linear behaviour is shown in Fig 8. have a look .....
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