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Forum: Analysis
Re: Question What is the default units of the total energy deposit in Geant4 (Scarlett)
Date: 21 May, 2013
From: Michael H. Kelsey <Michael H. Kelsey>

On Tue, 21 May 2013 04:37:18 GMT, Scarlett wrote:
>    I know the default units of energy and length are MeV and
> mm,respectively, but what is the default units of the total energy
> deposition in Geant4? If I count the total energy deposition value every
> 0.01mm, what is the units of it?Thanks for you time to see this.

The energy deposition is in energy units (so divide by MeV, GeV, or whatever your preference is when you print out values). Since the energy deposition is recorded per step, to get dE/dx you need to divide the energy deposit by the step length in your SteppingAction.

-- Michael Kelsey

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