Dear Vladimir,
At first glance, it seems that in your source routine you are in fact
explicitly asking for the particles to be generated using the position and
direction defined in the BEAMPOS card:
* Cosines (tx,ty,tz)
TXFLK (NPFLKA) = UBEAM
TYFLK (NPFLKA) = VBEAM
TZFLK (NPFLKA) = WBEAM
* Particle coordinates
XFLK (NPFLKA) = XBEAM
YFLK (NPFLKA) = YBEAM
ZFLK (NPFLKA) = ZBEAM
This of course defines a point source at (0,0,-1).
You can adapt this part of the routine with the appropriate coordinate and
direction sampling to describe the desired source geometry.
Best regards,
Andrea
On Sun, Aug 27, 2017 at 8:33 AM, Vladimir Fedorov <paralaks_at_mrrc.obninsk.ru>
wrote:
> Dear experts!
>
> *For my problem, I need the disk 12C beam with some spectrum. For this I
> use sourse.f. and SOURCE card. *
>
> *I can not understand why, when the SOURCE card is desabled, I get
> expected uniform distribution from the disk source (fig1.png), and when the
> SOURCE card enabled, the distribution has a maximum in the center
> (Fig2.png).*
>
> *I ask for your help.*
>
> --
> Best regards
> V.Fedorov
>
>
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Received on Sun Aug 27 2017 - 12:02:12 CEST