[Gate-users] Scoring proton energy along z

[Andreas Resch]

Hi Apsara,
from the LET actor you can get the mean kin Energy. Unfortunately you 
cannot access it from the macro file commands, you would need to change 
the source code and recompile the code. In the GateLETActor.cc line 34, 
set " mIsAverageKinEnergy=false;" to true , then you should get it (in 
the macro file you then need to set all other outputs to false).

otherwise I could also add the option in the Messenger in Gate, but 
until the pull request is in the develop branch it usually takes a 
couple of days. So the method above brings you quicker to the solution. 
Maybe there are even other actors that can do that anyway.

cheers,
Andreas



Am 2021-05-13 14:41, schrieb 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)
> 
> 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
> 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
>> [1]
>> 
>> How may I obtain this in GATE?
>> 
>> Thank you!
>> 
>> Best regards,
>> Apsara _______________________________________________
>> Gate-users mailing list
>> Gate-users at lists.opengatecollaboration.org
>> http://lists.opengatecollaboration.org/mailman/listinfo/gate-users
> 
> 
> 
> Links:
> ------
> [1]
> https://www.researchgate.net/figure/Proton-energy-loss-in-water-as-a-function-of-penetration-depth-for-two-incident-proton_fig4_3138600
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