[Gate-users] Disable Processes

[Dimitrios Thanasas]

Dear Knowland,

I also tried to disable a process after loading a PhysicsList and I
couldn't manage to do it.
A way to remove a process is to define manually the processes you want.
A typical physics list for EM processes is the file physicslist_EM_std.mac
in benchmarks of GATE installation folder (Rayleigh scattering is missing)
but there are more details in usersguide.
I tried it and it worked.

Ragards,
Dimitris Thanasas

> All - I am having trouble running a macro with Bremsstrahlung disabled. As
> a test, I made a simple lead cube set as a Y90 source and recorded hits in
> it. Below are the physics setups and hits results for each test case.
>
> What is the correct way to remove processes from a physics list?
>
>
>
>
>
> ************************************************************
> Test  - my typical physics declaration
> ************************************************************
> /gate/physics/addPhysicsList emstandard
> /gate/physics/addProcess RadioactiveDecay
> /gate/physics/addProcess Decay
>
> Process                                # Hits
> annihil                                   1
> compt                                   1689
> conv                                      1
> eBrem                                  17149
> eIoni                                      46066
> ionIoni                                  37153
> msc                                        11684
> phot                                      22404
> RadioactiveDecay            74307
> Transportation                  513
>
>
>
>
> ************************************************************
> Test 2 - attempting to disable Brems.
> ************************************************************
> /gate/physics/addPhysicsList emstandard
> /gate/physics/removeProcess Bremsstrahlung e-
> /gate/physics/removeProcess Bremsstrahlung e+
> /gate/physics/addProcess RadioactiveDecay
> /gate/physics/addProcess Decay
>
> Process                                # Hits
> Annihil                                  2
> compt                                   1793
> conv                                      2
> eBrem                                  17256
> eIoni                                      45708
> ionIoni                                  36947
> msc                                        11438
> phot                                      22624
> RadioactiveDecay            73898
> Transportation                  499
>
>
>
>
>
>
>
>
>
>
> Josh Knowland  ■  VP, Product Development  ■  Lucerno Dynamics, LLC
>
> Office: 919-371-6800 x 132
> Cell: 919-673-1337
>
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