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<body lang=FR link=blue vlink=purple>
<div class=Section1>
<p class=MsoNormal><font size=3 face="Trebuchet MS"><span lang=EN-GB
style='font-size:12.0pt;font-family:"Trebuchet MS"'>Hello everybody,</span></font></p>
<p class=MsoNormal><font size=3 face="Trebuchet MS"><span lang=EN-GB
style='font-size:12.0pt;font-family:"Trebuchet MS"'> </span></font></p>
<p class=MsoNormal><font size=3 face="Trebuchet MS"><span lang=EN-GB
style='font-size:12.0pt;font-family:"Trebuchet MS"'>I was wondering if someone already
tried with GATE to generate and track 14MeV neutrons and gamma photons emitted
when interactions occur with surrounding matter.</span></font></p>
<p class=MsoNormal><font size=3 face="Trebuchet MS"><span lang=EN-GB
style='font-size:12.0pt;font-family:"Trebuchet MS"'>We are trying nowadays to
set simple simulations (point source + cube of material) to check the abilities
of GATE to generate and track neutrons and their gammas.</span></font></p>
<p class=MsoNormal><font size=3 face="Trebuchet MS"><span lang=EN-GB
style='font-size:12.0pt;font-family:"Trebuchet MS"'>We are facing some problems
such as unexpected energy rays in gamma spectra with a non negligible level of
signal.</span></font></p>
<p class=MsoNormal><font size=3 face="Trebuchet MS"><span lang=EN-GB
style='font-size:12.0pt;font-family:"Trebuchet MS"'> </span></font></p>
<p class=MsoNormal><font size=3 face="Trebuchet MS"><span lang=EN-GB
style='font-size:12.0pt;font-family:"Trebuchet MS"'>Your experience in this
domain would be more than welcome.</span></font></p>
<p class=MsoNormal><font size=3 face="Trebuchet MS"><span lang=EN-GB
style='font-size:12.0pt;font-family:"Trebuchet MS"'> </span></font></p>
<p class=MsoNormal style='line-height:11.0pt'><b><i><font size=2 color="#999999"
face="Trebuchet MS"><span style='font-size:10.0pt;font-family:"Trebuchet MS";
color:#999999;font-weight:bold;font-style:italic'>Corinne Groiselle</span></font></i></b></p>
<p class=MsoNormal style='line-height:11.0pt'><b><i><font size=2 color="#999999"
face="Trebuchet MS"><span style='font-size:10.0pt;font-family:"Trebuchet MS";
color:#999999;font-weight:bold;font-style:italic'>----------------------------------------------------------------- </span></font></i></b></p>
<p class=MsoNormal style='line-height:11.0pt'><b><i><font size=2 color="#999999"
face="Trebuchet MS"><span style='font-size:10.0pt;font-family:"Trebuchet MS";
color:#999999;font-weight:bold;font-style:italic'>EADS SODERN</span></font></i></b></p>
<p class=MsoNormal style='line-height:11.0pt'><i><font size=2 color="#999999"
face="Trebuchet MS"><span style='font-size:10.0pt;font-family:"Trebuchet MS";
color:#999999;font-style:italic'>Direction de l’Ingénierie et des Moyens
Industriels Communs</span></font></i></p>
<p class=MsoNormal style='line-height:11.0pt'><i><font size=2 color="#999999"
face="Trebuchet MS"><span style='font-size:10.0pt;font-family:"Trebuchet MS";
color:#999999;font-style:italic'>Département Etudes Systèmes Neutroniques</span></font></i></p>
<p class=MsoNormal style='line-height:11.0pt'><i><font size=2 color="#999999"
face="Trebuchet MS"><span style='font-size:10.0pt;font-family:"Trebuchet MS";
color:#999999;font-style:italic'>20, avenue Descartes 94451 Limeil-Brévannes
Cedex, <u>France</u></span></font></i></p>
<p class=MsoNormal style='line-height:11.0pt'><i><font size=2 color="#999999"
face="Trebuchet MS"><span style='font-size:10.0pt;font-family:"Trebuchet MS";
color:#999999;font-style:italic'>Tél : + 33 (0) 1 45 95 70 00 poste 7708</span></font></i></p>
<p class=MsoNormal style='line-height:11.0pt'><i><font size=2 color="#999999"
face="Trebuchet MS"><span style='font-size:10.0pt;font-family:"Trebuchet MS";
color:#999999;font-style:italic'>Email : <a
href="mailto:Corinne.Groiselle@sodern.fr"><font color="#999999"><span
style='color:#999999'>Corinne.Groiselle@sodern.fr</span></font></a></span></font></i></p>
<p class=MsoNormal style='line-height:11.0pt'><i><font size=2 color="#999999"
face="Trebuchet MS"><span lang=EN-GB style='font-size:10.0pt;font-family:"Trebuchet MS";
color:#999999;font-style:italic'>Web site : http://www.sodern.fr</span></font></i></p>
<p class=MsoNormal><span lang=EN-GB> </span></p>
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