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<p class="MsoNormal"><span lang="EN-US">Good day,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I am modelling a SANS instrument on the a radial port of a no-cold source reactor<span style="color:#1F497D">
</span>on Mcstas 2.7. The source peaks around 1,2 AA and would like to introduce a quartz (SiO2) filter component with transmission that attenuates and thermalizes the fast neutrons to longer wavelengths. This filter is physically installed in the beam tube
and a real representation of the setup requires such transmission file. Any idea on how one can do this? The instrument with details on the header is attached. The MCPL file may be forwarded on request.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Thanks in advance.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Regards<o:p></o:p></span></p>
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<p class="ImprintUniqueID"><font style="font-family:Century Gothic;font-size:10pt;color:#339999;font-weight:bold;">Tjatji Tjebane</font></p>
<p class="ImprintUniqueID"><font style="font-family:Century Gothic;font-size:8pt;color:#339999;font-weight:bold;">Instrument Scientist</font></p>
<p class="ImprintUniqueID"><strong><font color="#339999" size="1" face="Century Gothic">Tel:
</font></strong><font style="font-family:Century Gothic;font-size:8pt;color:#339999;font-weight:bold;">+27 12 305 5852</font></p>
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</font></strong><font style="font-family:Century Gothic;font-size:8pt;color:#339999;font-weight:bold;">+27 83 767 7097/#5266</font></p>
<p class="ImprintUniqueID"><strong><font color="#339999"><font size="1" face="Century Gothic">Email:
</font><span style="font-family:Century Gothic;font-size:8pt;color:Blue;"><a href="tjatji.tjebane@necsa.co.za" title="Click to send email to Tjatji Tjebane" target="" style="font-family:Century Gothic;font-size:8pt;color:Blue;"><span style="font-family:Century Gothic; font-size:8pt; color:Blue;">tjatji.tjebane@necsa.co.za</span></a></span></font></strong></p>
<p class="ImprintUniqueID"><strong><font face="Century Gothic"><font size="1"><font color="#339999">Website:</font>
</font></font></strong><a href="http://www.necsa.co.za"><strong><font size="1" face="Century Gothic">www.necsa.co.za</font></strong></a></p>
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