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Question strange energy deposit pattern 

Forum: Biasing and Scoring
Date: 12 Sep, 2014
From: <geant4president>


I hope somebody can help me with the following, I have no ideas any more.

Scenario: Shooting ~6 MeV photons from the right side to a voxel container read in by the DICOM example (512x512x68 indices in x,y,z, voxel dimensions roughly 1mmx1mmx5mm) and plotting dose deposit, I get a "column-like" substructure, please see the attachment. There is only one material for the irradiated region. Looping over odd and even columns, I get ~40% different cumulated doses.

Can this be explained somehow? Stepsizes? Voxel structure optimizations? I am stuck and would be really grateful for the smallest hint or idea.

Thanks in advance, Markus


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1 Ok: Re: strange energy deposit pattern   (geant4president - 15 Sep, 2014)
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