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None Re: Is there a good way to 'continuously bias' a particle by monkeying with weight? 

Forum: Biasing and Scoring
Re: None Is there a good way to 'continuously bias' a particle by monkeying with weight? (Peter Mardahl)
Re: None Re: Is there a good way to 'continuously bias' a particle by monkeying with weight? (Marc Verderi)
Date: 31 Aug, 2011
From: Peter Mardahl <Peter Mardahl>

Hello,

  Thank you for responding.  Yes, what you speak of sounds like a superset of what I was considering.  Also, I found that this is not a new idea at all ("implicit capture") but rather has been implemented in other codes (MCNP, Fluka).

  Though what I had in mind was something simpler, in that what I had in mind was low-ish energy (<400keV) X-rays going through shielding.  These do not generate so many daughter particles, so one could model it pretty effectively by just modifying the weight.

  Since I want to do a computation in the short term I will try using the importance sampling technique, but I will look forward the the availability of implicit capture or something similar in GEANT4.

Best,

--PeterM

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