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Forum: Physics List
Re: Question Adding the Hadronic Elastic Scattering to the QGSP_BIC (Leyla)
Date: 07 Jun, 2017
From: John Apostolakis <John Apostolakis>

Dear Leyla,

I suggest to reduce the default cut value - this may be causing the 
suppression of low energy deuterons.


On 05.06.17 21:18, Leyla wrote:
> *** Discussion title: Physics List
> Dear All,
> I am using Geant4.10 with the physics list QGSP_BIC. However, this
> physics list does not include elastic processes but only inelastic
> scatterings. In order to include the hadron elastic scattering I added
> the following command line to my physics lists:
> PhysicsList::PhysicsList() : G4VModularPhysicsList() {
> RegisterPhysics(new G4HadronElasticPhysics(verboseLevel));
>          defaultCutValue = 0.1*cm;
>          SetVerboseLevel(1);
> }
> I am simulating the primary beam 132Sn with an energy of 20MeV/u hitting
> on a deuteron target. But I do not see any scattered deuterons as
> expected from an elastic scattering. I am using gas and solid deuteron
> targets with various thicknesses. The beam goes through the target
> without scattering deuterons and the beam does not stuck in the target.
> I also varied the cut values. It did not help.
> I would like to ask you is it possible to implement the
> G4HadronElasticPhysics into the QGSP_BIC? If yes, do you have any idea
> why my simulation does not produce elastic scatterings?
> Cheers, Leila
> -------------------------------------------------------------
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