Date: Wed, 11 Jul 2018 22:59:17 +0200
Dear Jean-Emmanuel,
Thank You for reply. Can You please also advise if spectrum of Am241 looks
fine? I think that the main peak seems to be too close to 100keV.
Best regards,
Agnieszka
2018-07-11 11:28 GMT+02:00 Jean-Emmanuel Groetz <jegroetz_at_univ-fcomte.fr>:
> Dear Agnieszka,
>
> Most certainly due to Ra-226 progenies. I believe that the peak close
> to 50 keV could be attributed to Pb-210 (46.5 keV).
> You can check for Bi-214 (609 keV and 1120 keV with large intensities,
> but not only) and Pb-214 (295 keV and 352 keV) at upper energies.
>
> Sincerely,
> Jean-Emmanuel
>
> --
> _______________________________________________
> Jean-Emmanuel Groetz
> Laboratoire Chrono-Environnement UMR CNRS 6249
> Université de Franche-Comté
> 16 route de Gray
> 25030 Besançon Cedex
> France
>
> mailto : jegroetz_at_univ-fcomte.fr
> tel : +33 (0) 3 81 66 65 07
> fax : +33 (0) 3 81 66 65 22
> http://chrono-environnement.univ-fcomte.fr/spip.php?article1537
> _______________________________________________
>
>
>
>
>
> Le mercredi 11 juillet 2018 à 08:47 +0200, Agnieszka Witkowska a
> écrit :
> > Dear Fluka Experts,
> >
> > I am using RADDECAY card to simulate decay of Ra226 and checking the
> > photon spectrum with air-filled cyllindrical target by USRTRACK. Can
> > You please advise if my spectrum looks fine, because I am getting a
> > lot of peaks before 186keV energy and what may be the reason of it?
> >
> > Best regards,
> > Agnieszka
>
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(image/png attachment: Am241_spectrum_retest.png)