GeneralParticleSource user distribution


I’m feeding my primaries Energy with an EXP distribution that I’ve got from a fitting.

In general the functional formula for an EXP distribution is written as :

DIST(E) = EXP(A + B x E) = C x EXP(B x E) = C x EXP(-E/E0)

However, in the GPS the EXP distribution is defined as :

DIST(E) approx. EXP(-E/E0)

How can I overcome the constant C? As working with multiple sources it becomes affecting.


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Hi Younes

Are you referring to the effect with respect to the relative intensity of the different distributions? Because this can be controlled using different intensities in /gps/source/add?

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