[Gate-users] Scoring proton energy along z

[Dmitry Hits]

Hi Apsara,

I think that the dose actor will give you the energy deposited in water.
(https://opengate.readthedocs.io/en/latest/tools_to_interact_with_the_simulation_actors.html#dose-measurement-doseactor <https://opengate.readthedocs.io/en/latest/tools_to_interact_with_the_simulation_actors.html#dose-measurement-doseactor>)

The proton energy you can get with the phasespace actor.
https://opengate.readthedocs.io/en/latest/tools_to_interact_with_the_simulation_actors.html#phase-space-actor <https://opengate.readthedocs.io/en/latest/tools_to_interact_with_the_simulation_actors.html#phase-space-actor>
You may need to create several layers of 💦 water (the actor only gives you information on the exit/entrance from/to a layer) You may need to select the protons by the CreatorProcess == 0 (produced by the beam) and NuclearProcess == 0 (did not experience any nuclear interactions) in each layer or simply get an average  Ekine of protons with the above restrictions.

Cheers,

Dmitry


> On 12 May 2021, at 21:22, APSARA TENNAKOON <apsara at connect.hku.hk> wrote:
> 
> Dear GATE users,
> 
> I would like to obtain a depth distribution of proton kinetic energy in a water phantom, e.g. as seen on the left axis here: https://www.researchgate.net/figure/Proton-energy-loss-in-water-as-a-function-of-penetration-depth-for-two-incident-proton_fig4_3138600  <https://www.researchgate.net/figure/Proton-energy-loss-in-water-as-a-function-of-penetration-depth-for-two-incident-proton_fig4_3138600>
> 
> How may I obtain this in GATE?
> 
> Thank you!
> 
> Best regards,
> Apsara
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