Re: [fluka-discuss]: primary collision in the kaskad

From: <matveev_at_itep.ru>
Date: Fri, 22 Aug 2014 15:32:17 +0400

Dear Paola,

IPRTYP works fine.
Using FLUKA for K+ beam (P< 560 MeV/c) in Xenon media (A=131, Z=54)
we obtain the ratio of the elementary cross-sections
sig(K+,p)/sig(K+,n)=1.1.
This looks reasonable.
We shall use this knowledge in our analysis.

Thank you very much.
Sincerely,
Vladimir


Paola Sala writes:

> Dear Vladimir,
> The information is stored in the variable IPRTYP in the include '(NUCGEO)'.
>
> If IPRTYP > 0 the interaction is either elastic or cherge exchange on the
> target nucleon (always non-elastic on the nucleus)
>
> If IPRTYP < 0 the interaction is non-eleastic on the target nucleon
>
> Abs(IPRTYP) = 1000 * (projectile fluka id) + (nucleon fluka id)
>
> example : K+ (15) on proton (1) --> IPRTYP = +/- 15001
>
> PLEASE do not change ANY variable in the NUCGEO include.
>
> WARNING: the iprtyp is set ONLY for non-eleastic nuclear interactions. It
> is NOT set for elastic nuclear.
>
> Second warning (obvious) : the variable is overwritten every time there is
> an inelastic nuclear interaction, it has to be decoded immediately after
> the interaction, not at the end of the history.
>
> Hope this helps
> Paola
>
 


Vladimir Matveev
matveev_at_itep.ru
Received on Fri Aug 22 2014 - 15:10:10 CEST