Re: problems with 252Cf source

From: Alberto Fasso' <fasso_at_SLAC.Stanford.EDU>
Date: Mon, 25 Jun 2012 11:34:36 -0700 (PDT)

Dear Carolin,

you can use the source I posted in 2009 and change the following lines:

* Cosines (tx,ty,tz)


* Cosines (tx,ty,tz)
        CALL RACO( TXX, TYY, TZZ )
        TXFLK (NPFLKA) = TXX
        TYFLK (NPFLKA) = TYY
        TZFLK (NPFLKA) = TZZ

That will give you an isotropical pointlike source.


On Thu, 21 Jun 2012, Carolin Pezenka wrote:

> Dear experts,
> I want to model a source of Californium-252. Because of the complex
> energy spectrum and the isotropy a source routine is necessary. I
> found a source routine written and posted in November 2009 by Alberto
> Fasso. I compiled and linked it and inserted a SOURCE-card with the
> first WHAT set 1 in my input file and tried a simple sphere of vacuum,
> using an USRBIN-card for neutrons. The results do not match with my
> comprehension of an isotropic source, because there is only a beam in
> one direction. Changing the parameters in the BEAM and BEAMPOS cards,
> I couldn?t improve the results. Is there anything wrong in my input
> file? Is the use of the source routine the wrong approach?
> Looking forward to get helpful answers!
> Best regards
> Carolin
Received on Tue Jun 26 2012 - 12:43:52 CEST

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