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Forum: Processes Involving Optical Photons
Re: Question physics list model for scintillation of NaI(Tl) (Cejo George)
Re: Feedback Re: physics list model for scintillation of NaI(Tl) (Gumplinger Peter)
Re: Feedback Re: physics list model for scintillation of NaI(Tl) (Ashwath Rao)
Re: Feedback Re: physics list model for scintillation of NaI(Tl) (Gumplinger Peter)
Re: Question Re: physics list model for scintillation of NaI(Tl) (Ashwath Rao)
Date: 25 Jun, 2012
From: Gumplinger Peter <Gumplinger Peter>

Ashwath,

> What is eIonisation meant in geant4 ?

It is the process by which in Geant4 an electron loses energy to the crystal.

> Does Electron Ionisation mean that it will also degrade the crystal over
> a period of time..?

The energy that is lost to the crystal is used to calculate the number of scintillation photons - that's it! The energy does not degrade the crystal as G4 is incapable of simulating anything to do with solid state physics (but it does take Birks Law saturation into account, albeit certainly not from first principles) or anything that has a time component that goes from 'one simulated event to the next'.

Peter

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1 Agree: Re: physics list model for scintillation of NaI(Tl)   (Ashwath Rao - 25 Jun, 2012)
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