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Forum: Event and Track Management
Re: None Problem with muons hit position inside the sensitive volume (Hector Gomez)
Re: Feedback Re: Problem with muons hit position inside the sensitive volume (Michael H. Kelsey)
Re: More Re: Problem with muons hit position inside the sensitive volume (Hector Gomez)
Date: 07 Dec, 2017
From: michel maire <michel maire>

On Thu, 07 Dec 2017 17:29:56 GMT, Hector Gomez wrote:

> Thank you very much for the answer! It already helped a lot!
> 
> As you mentioned, the "boundary step" condition has allowed me to better
> understand these energy deposits.
> 
> In fact, all these events have non-zero energy since during this last
> step the muon is always releasing energy along the path due to my
> configuration. I should take into account this deposit to better
> reconstruct the deposited energy of the event in my gas volume.
> 
> However, I would guess that, since this effect seems to come from the
> fact that geant4 makes a discretization from a continuous process, the
> smaller the maximum allowed step would be, the smaller this effect will
> be. In that sense, what could be the most efficient way to perform a
> simulation with smaller steps? Directly with setMaxStep? Another more
> efficient way?
> 
 An alternative is to randomise the point of energy deposition along the step.
 See examples/extended/electromagnetic/TestEm11 : SteppingAction

      Michel Maire

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