If you are interested in sub-barrier neutron production by protons, I'm
afraid that at present there is no FLUKA solution.
Kind regards
Francesco
**************************************************
Francesco Cerutti
CERN-EN/STI
CH-1211 Geneva 23
Switzerland
tel. ++41 22 7678962
fax ++41 22 7668854
On Fri, 12 May 2017, NKANYISO ROBERT Mantengu wrote:
> Dear Francesco
>
> Thanks for your answer.
>
> So what could be the solution in this case?
>
> Ragrads
> Nkanyiso R. Mantengu
>
> On Fri, May 12, 2017 at 5:01 PM, Francesco Cerutti
> <Francesco.Cerutti_at_cern.ch> wrote:
>
> Dear Nkanyiso,
>
> you have a point.
>
> FLUKA does not use cross section libraries, except for
> interactions induced by neutrons below 20 MeV.
> It uses its own models for calculating the sharing among the
> different reaction channels and its own parametrizations for
> calculating the reaction cross section. Here the issue is with
> the latter, whose sub-barrier extension (below 10 MeV proton
> energy in this case) is just missing and prevents you from
> simulating neutron production in that range.
>
> Best regards
>
> Francesco
>
> **************************************************
> Francesco Cerutti
> CERN-EN/STI
> CH-1211 Geneva 23
> Switzerland
> tel. ++41 22 7678962
> fax ++41 22 7668854
>
> On Fri, 12 May 2017, NKANYISO ROBERT Mantengu wrote:
>
> Dear FLUKA users
>
> I'm simulating the Ta-181(p,n)W-181 reaction.
>
> Beam properties
> * 6 MeV energy proton beam.
> * 200 micro A current.
>
> My problem is that I don't see any neutrons until I
> set the beam energy to 9.6 MeV which is in
> contrast with the cross section plot (attached
> below) produced using the EXFOR cross section
> data.
>
> So my question is what cross section library is used
> to handle hadron-nucleon interactions in
> PEANUT model.
>
> Any help/comments will be appreciated.
> Thanks in advanced.
>
> NB: The FLUKA input is also attached in this email.
>
> Regards,
> Nkanyiso R. Mantengu
>
>
>
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Received on Sun May 14 2017 - 13:13:46 CEST