Re: Can a 1cm-thick concrete wall absorb so many photons and photoneutrons?

Dear Danny,
  you have assigned the REGION INRCC to VACUUM. That's why you are not able
to see anything in the two USRTRACK.
Ciao
Andrea

> Dear all,
>
> I have simulated an accelerator,the source of which is photon with
> enengy=18MeV.Therefore,photoneutrons are produced.In my work,the flux of
> these photons and photoneutrons can be detected before they cross a
> 1cm-thick concrete wall(the REGION is INRCC,see details in the input
> file),while none can be detected in this 1cm-thick concrete wall(the
> REGION is OUTRCC,also see details in the input file).But I don't think
> this wall can absorb these particles so much,or just there are something
> wrong with my work?
> I appreciate all help from you.
>
> Yours,
> Danny
Received on Wed Jun 15 2011 - 18:12:28 CEST