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Forum: Hadronic Processes
Re: Question Cross section (Yusuf)
Date: 14 Oct, 2013
From: Dennis H. Wright <Dennis H. Wright>

At these energies Geant4 does not yet have specific channel cross sections for proton interactions. The probability of the (p,gamma) reaction currently depends on the de-excitation and evaporation models used in your physics list, which do not depend on measured data but rather on parametrized distributions.

With release 10.0 (end of this year) we will add data-driven proton interactions and you should then be able to see better results for your reaction.

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