Re: [Fwd: Neutron capture in Gd-doped liquid scintillator.]

Dear Dmitry,

There is now a reply to my question in the forum; I include it also below in this mail.
In principle, this procedure could be done via VMC, as we have interfaced the necessary functions, like the creator process for a secondary etc. Could you explain in more detail what exactly do you need and which are the access functions in Fluka that you want to use and which you do not find in VMC?

Thank you,

Ivana

• Discussion title: Hadronic Processes

There is no easy way to do this, but you could try:

1. Loop over tracks after the capture and test that they are created by the capture process. Do this by calling track->GetCreatorProcess() and checking the process name.
2. Then get the particle by doing track->GetDynamicParticle().
3. Once you have the dynamic particle you can check that the track is a nucleus, and also look at things like mass, charge, momentum, etc.

Dmitry Naumov wrote:
> Dear colleagues,
>
> I am not an expert in Fluka, but it seems that Fluka has these access
> functions, what is left is to organize vmc like interface to them. If G4
> does not have these functions then perhaps vmc functions should return
> something like 'false' value.
> Best regards, Dmitry
>
> Ivana Hrivnacova пишет:

>> Hi,
>>
>> I don't know. I have now posted the question in G4 hypernews:
>> http://hypernews.slac.stanford.edu/HyperNews/geant4/get/hadronprocess/973.html 
>>
>> And what about Fluka?
>>
>> Best regards,
>>
>> Ivana
>>
>> Carminati Federico wrote:
>>> Hello Iliya,
>>>    I frankly ignore whether this information is available in G4. 
>>> Ivana, do you know? Best regards,
>>> Federico Carminati
>>> CERN-PH 1211 Geneva 23
>>> Switzerland
>>> Tel: +41 22 76 7495:
>>
>>> Fax: +41 22 76 68505
>>> Mobile: +41 76 487 4843
>>>
>>>
>>>
>>> On 24 Dec 2008, at 16:05, Illya I. Shapoval wrote:
>>>
>>>> Dear VMC team! I need an effective technic for the neutron capture 
>>>> and final nucleus state monitoring in my set of tasks too. It would 
>>>> be realy interesting to hear an answer on Maxim's question.
>>>>  
>>>> With respect,
>>>> Illya Shapoval
>>>>     ----- Original Message -----
>>>>     *From:* Dmitry Naumov <mailto:naumov_at_nusun.jinr.ru>
>>>>     *To:* vmc_at_lxbuild091.cern.ch <mailto:vmc_at_lxbuild091.cern.ch>
>>>>     *Sent:* Wednesday, December 24, 2008 10:57 AM
>>>>     *Subject:* [VMC] [Fwd: Neutron capture in Gd-doped liquid
>>>>     scintillator.]
>>>>
>>>>
>>>>     Dear VMC team it seems that this message was either lost and did
>>>>     not arrived to you or left without an asnwer. As we need an answer
>>>>     could anyone please address it once? Thanks! Dmitry
>>>>
>>>>
>>>>     -------- Исходное сообщение --------
>>>>     Тема:    Neutron capture in Gd-doped liquid scintillator.
>>>>     Дата:    Wed, 26 Nov 2008 17:17:56 +0300
>>>>     От:    Maxim Gonchar <gmaxfl_at_gmail.com>
>>>>     Отвечать:    gmaxfl_at_gmail.com
>>>>     Кому:    vmc_at_root.cern.ch
>>>>     Копия:    Dmitry Naumov <naumov_at_nusun.jinr.ru>
>>>>
>>>>
>>>>
>>>>     Hello,
>>>>
>>>>     I want to simulate neutron propagation through the Gd-doped 
>>>> liquid      scintillator. Is there any way to get information about 
>>>> the nucleus that      captures neutron?
>>>>
>>>>     Thank you in advance.
>>>>
>>>>     regards, Maxim Gonchar
>>>>     mailto:gmaxfl_at_gmail.com
>>>
>>

-- 
==============================================================
e-mail:  Ivana.Hrivnacova_at_cern.ch
address: Institut Physique Nucleaire, 91406 Orsay, France
phone:   (33) 01 69 15 65 94
==============================================================