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Forum: Run Management
Date: 26 Apr, 2013
From: Ivan Sivacek <Ivan Sivacek>

Good day. I am simulating stopping and decay of heavy ions in silicon. Recently I downloaded geant4 9.6.p01 from I am using standard physics list constructors - penelope, livermore, standardEM option 2 and 3, and my own physics list. With those pre-defined physic lists everything runs well, but as soon as I try to use my own EM physics list, the application starts to write everything that is currently happening (see log.txt in attachment - an example of 10 events run).

In the physics list structure my own physics list is initial, and then it can be changed by the messenger and (deleted and constructed another one, or this one again).

I also met this problem in older version of geant4 9.4 which I was using earlier. It occurred with some combinations of initial and changed physics list constructors.

The problem here is, that it seriously slows down the simulation. It takes too much time to achieve good statistics. Can you help me how to handle with this, please ?


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1 Feedback: Re: verbosity problem ?   (Gumplinger Peter - 26 Apr, 2013)
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