ytterbium

Dear Fluka users
I want to calculate dose of Yb-169 as a radioactive source but I do not
know how to introduce this isotope and also when I use usual setting with
natural Ytterbium, unfortunately this message is appeared:
"Low energy neutron xsec not found for some media 0 1 ** Ytterbiu"
so when I want to set low-mat for ytterbium, there is not any introduction
in the low neutron fluka library.
Please guide me your experiences and beneficial ways.
Regards
Mojdeh

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Dear Fluka users<br>I want to calculate dose of Yb-169 as a radioactive source but I do not know how to introduce this isotope and
also when I use usual setting with natural Ytterbium, unfortunately this message is appeared:<br>
&quot;Low energy neutron xsec not found for some media 0 1 ** Ytterbiu&quot;<br>so when I want to set low-mat for ytterbium, there
is not any introduction in the low neutron fluka library.<br>Please guide me your experiences and beneficial ways.<br>
Regards<br>Mojdeh<br><br>

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Received on Sun Dec 04 2011 - 19:10:46 CET