[Gate-users] To set an energy threshold limit lower than 250 eV

[Halil Arslan]

Dear all,

I want to simulate the laser tissue interactions using Gate. For this
purpose, energy threshold limit should be a few eV. Does Gate handle such
interactions? If so, which physics model should I use? Thanks in advance.
21 Eyl 2015 17:31 tarihinde "David Sarrut" <
David.Sarrut at creatis.insa-lyon.fr> yazdı:

> Hello,
>
> exact, the lower limit was hardcoded I dont really know why. You can try
> to set it to 0 or 100 eV in the source code to see what happens. It may
> slow down simulation. Note this is a "production cut" not a "range cut"
> (lower limit for the G4ProductionCutsTable)
>
> Maybe it could be interesting to allow the user to set this value by a
> macro ...
>
> Sincerely,
> David
>
> On Mon, Sep 21, 2015 at 9:52 AM, 성원모 <wsung at snu.ac.kr> wrote:
>
>> Dear gate-users
>>
>>
>> Hello! I'm currently playing with Gate v7.1.
>>
>>
>> I would like to set an energy threshold limit lower than 250 eV (e.g.,
>> 100 eV). However, Gate seems to have minimum energy threshold, 250 eV.
>>
>> I tried to use
>>
>>
>> /gate/physics/Electron/SetCutInRegion
>>
>>
>> to set energy threshold lower than 250 eV, but it was not working.
>>
>> I checked the source code and found limit for production cuts table ("source/physics/src/GatePhysicsList.cc",
>> 80L). But I'm not sure whether I could change it or not.
>>
>> This is strange to me because Geant4.10 Penelope physics has minimum low
>> e- energy down to 100 eV but Gate does not support.
>>
>>
>> Is there any method I can set energy threshold lower than 250 eV?
>>
>> I appreciate any reply in advance.
>>
>>
>> Regards,
>>
>> Wonmo Sung
>>
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>> Gate-users at lists.opengatecollaboration.org
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>>
>
>
>
> --
> David Sarrut, Phd
> Directeur de recherche CNRS
> CREATIS, UMR CNRS 5220, Inserm U 1044
> Centre de lutte contre le cancer Léon Bérard
> 28 rue Laënnec, 69373 Lyon cedex 08
> Tel : 04 78 78 51 51 / 06 74 72 05 42
> http://www.creatis.insa-lyon.fr/~dsarrut
> _________________________________
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