Dear Joachim:
Thank you very much for your answer, we will working on matrix effects soon
and it will help a lot. Thanks also for your code, if we have more
questions we will let you know.
Cheers
Andrés
2015-10-16 8:49 GMT-03:00 Joachim Vollaire <joachim.vollaire_at_cern.ch>:
> Dear Andres
>
> In the attached input, you can find an example of a cylindrical source of
> Tl-204. It was obtained by irradiation a Tl sample in a reactor (n capture
> on Tl-203). The spatial distribution (cylinder) is defined with the BEAMPOS
> card following the logic for cylindrical source (Hin / Hout / Rin /
> Rout….).
>
>
>
> The effect (self-absorption…) of the matrix is obtained by defining a
> cylindrical region (with the logic for the geometry -> using a RCC) and
> assigning natural Tl to that region which is the matrix material in that
> case. It could be another matrix material if the source would be obtained
> by implantation for example.
>
>
>
> So the matrix effect is taken into account during the transport after
> sampling of the primary particles and not in the source definition.
>
>
>
> Cheers
>
> Joachim
>
>
>
> *From:* Andres Emilio Ruiz Flores [mailto:andres.ruiz.f_at_ug.uchile.cl]
> *Sent:* 15 October 2015 00:18
> *To:* Joachim Vollaire <joachim.vollaire_at_cern.ch>
> *Cc:* fluka-discuss_at_fluka.org
> *Subject:* Re: [fluka-discuss]: matrix effects in extended sources in
> FLUKA
>
>
>
> Dear Joachim,
>
> Thanks for your answer, but i'm not reffering to the atenuations in
> materials around the source, i´m reffering to the the atenuation of photons
> into the same source i.e. self atenuation effect. Then, my question is if
> the extended "volume" source defined by the card BEAMPOS
> (CYLI-VOL,SPHE-VOL, etc), have any matrix asociated.
>
> Thanks in advance
> and Best regards.
>
>
>
> 2015-10-14 2:24 GMT-03:00 Joachim Vollaire <joachim.vollaire_at_cern.ch>:
>
> Dear Andres,
>
> If you define a region to which you assign your matrix material and that
> your extended source overlap with that region, then the effect of the
> matrix will be taken into account. The matrix will have the property of
> the material assign to the region and the primaries sampled in the volume
> defined with the extended source will be transported through the matrix
> material.
>
> Hoping this answer your question
>
> Greetings
>
> Joachim
>
>
>
>
>
>
>
>
>
> *From:* owner-fluka-discuss_at_mi.infn.it [mailto:
> owner-fluka-discuss_at_mi.infn.it] *On Behalf Of *Andres Emilio Ruiz Flores
> *Sent:* 13 October 2015 23:22
> *To:* fluka-discuss_at_fluka.org
> *Subject:* [fluka-discuss]: matrix effects in extended sources in FLUKA
>
>
>
> Dear all,
>
> I have a queston about matrix effects in extended sources.
>
> In the card BEAMPOS I defined a extended source, my question is How can i
> put the matrix effects?, They do exist in that card?, Do i need another
> card to put them?
>
> Thanks in advance. Best regards.
>
> Andrés Ruiz and Pablo Ortiz
>
>
>
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Received on Thu Oct 22 2015 - 00:43:06 CEST