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Question changing weight of the primary 

Keywords: changinf weight
Forum: Event and Track Management
Date: 12 Jan, 2007
From: Alexei Klimenko <>


I am trying to implement survival biasing. In order to do that I need to be able to change the weight of the primary particle.

I tried using ProposeParentWeight with no luck. It never actually changes the weight for the PostStepPoint.

I started going to deeper into the code.

It looks like Weight of the PostStepPoint should be updated through UpdateStepForPostStep in G4VParticleChange.icc. However this function never gets called by the SteppingManager. Instead InvokePSDIP function from calls UpdateStepForPostStep from the concrete instance

What am I missing?

Thank you, Alexei

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1 None: Re: changing weight of the primary   (Jane Tinslay - 16 Jan, 2007)
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