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None Geometrical bias 

Forum: Biasing and Scoring
Date: 31 Mar, 2017
From: Adam Geva <Adam Geva>

Hi, I am trying to simulate gamma transfer through water and bone, attached snapshots of the simulation geometrical setup: blue and white boxes are water and bone. Gray panels are x-ray detectors.

As seen in snapshot 2 (attached), when generating 100 gamma particles the majority are back-scattered away from the detectors. Clearly a biasing technique should be implemented.

Any suggestion or example on how to force these rare events? I read the documentation and the most relevant solution I found was using force-flight, however, I could not find any examples that implement it.

Any advise would be very appreciated as I am new to this tool.

Thanks, Adam


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