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Forum: Biasing and Scoring
Re: Question Forced-flight biasing: Cumulated weight is null ! (Jayson Vavrek)
Re: None Re: Forced-flight biasing: Cumulated weight is null ! (Marc Verderi)
Date: 27 Jan, 2017
From: Jayson Vavrek <Jayson Vavrek>

Hi Marc, That makes sense; thanks for the explanation. What I wanted was for my primaries to penetrate the shielding with 100% probability (but with appropriate weights) so that I didn't spend all my CPU time on attenuation in the shielding. The weight doesn't necessarily need to evolve all along the trajectory. Is forced interaction the way to proceed here? I tried using

 G4BOptrForceCollision * fb = new G4BOptrForceCollision("gamma","ForwardBias");
 ...
 fb->AttachTo(...);

but it gave similar errors, even on newer versions of Geant4.

Thanks, Jayson V.

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1 None: Re: Forced-flight biasing: Cumulated weight is null !   (Marc Verderi - 28 Jan, 2017)
(_ None: Re: Forced-flight biasing: Cumulated weight is null !   (Adam Geva - 12 Apr, 2017)
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