[Gate-users] How to filter "neutron" ?-- [Particle Name] of neutron?

[Grevillot Loic]

Hello,

I think in Geant4 neutral particles almost do not depose any dose directly but mostly indirectly.
Therefore, in your filter you may need to select the dose from all particles having a neutron as parent…

This is however not consistent with your statement that with neutron beams you can score the dose of neutrons – did you use filter on neutrons as well??

From: gate-users-bounces at lists.opengatecollaboration.org [mailto:gate-users-bounces at lists.opengatecollaboration.org] On Behalf Of narbor
Sent: Friday, October 16, 2015 3:07 PM
To: 欧海峰; gate-users
Subject: Re: [Gate-users] How to filter "neutron" ?-- [Particle Name] of neutron?

Dear Ou Haifeng,
"Neutron" is the right name to use.
May be it just come from the fact that you don't have any primary carbons to get some secondary neutrons in your detector.
As it works with a neutron beam....it seems to me that it's likely something like that.
Regards,
Nicolas


***********************************************************************

Nicolas ARBOR

Maître de Conférences

Université de Strasbourg - UFR Physique et Ingénierie

Groupe de recherche RaMsEs - Institut Pluridisciplinaire Hubert Curien

23, rue du Loess BP28 67037 Strasbourg Cedex 2

mail : nicolas.arbor at iphc.cnrs.fr<mailto:nicolas.arbor at iphc.cnrs.fr> / tel : 03.88.10.64.27

***********************************************************************
Le 16/10/2015 14:59, 欧海峰 a écrit :
Dear Gate developers,

I want to know the dose contribution of secondary neutron in my carbon beam simulation.
So I use Filter to select neutron as the following lines:

......
/gate/actor/[Actor Name]/addFilter particleFilter
/gate/actor/[Actor Name]/particleFilter/addParticle neutron
......

The result is zero.Nothing.
I can't obtain the dose of secondary neutron.
But if the source is neutron beam, the dose of neutron beam can be obtained in simulation.

Why?
What's the [particle name] of neutron in Gate?

Cheers,
Ou haifeng






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