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Idea Re: why do we have particles with noninteger charge in Geant4? 

Forum: Particles
Re: None why do we have particles with noninteger charge in Geant4? (masume soleimaninia)
Date: Mar 25, 08:51
From: Michael H. Kelsey <Michael H. Kelsey>

On Sun, 25 Nov 2018 11:30:37 GMT, masume soleimaninia wrote:
> I simulated some layers with different materials in Geant4 and I
> irradiated them with protons. I wanted to observe each particle
> generated in each step in SteppingAction, so I wanted the code to define
> mass and charge of particles.in the results I have particles with mass
> of 4 amu and charge of 1.95, I think they are alpha, but why their
> charge is non integer (I mean 1.95 instead of 2)?

How are you seeing the "non-integer" values? When you print out the value, do you convert to coulombs? Do you convert to electron charges (divide by eplus)? You may also want to print out the particle name, which will tell you what the actual thing is.

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