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Forum: Processes Involving Optical Photons
Re: Question Reconstructed Depth Position (Chibueze Zimuzo)
Date: 01 Feb, 2010
From: Gumplinger Peter <Gumplinger Peter>

Hello Chibueze,

You need to take a close look at the logic/code in LXeEventAction::EndOfEventAction. You'll see that the reconstructed position is calculated from:


Now, if all of your PMTs are positioned at the same z location; e.g. (*PHC)[i]->GetPMTPos() returns the same z for all PMTs, this logic will not give you a 'depth of interaction' information. You will have to implement a different logic - one that you have to devise and code - whereby the GetPhotonCount is used to determine which cone position provides the most likely photon count sharing between your PMTs as the one that's observed.

Cheers, Peter

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