00001 <?xml version="1.0" encoding="UTF-8"?> 00002 00003 <!-- GDML materials definition from the Fastrad file : "support_echantillon_2.ray" 00004 Processed the 01/10/2009 at 19h02 by the GDML module of Fastrad 3.0 --> 00005 00006 <materials> 00007 <element name="videRef" formula="VACUUM" Z="1"> 00008 <atom value="1"/> 00009 </element> 00010 <element name="aluminum" formula="Al" Z="13"> 00011 <atom value="26.9815"/> 00012 </element> 00013 <element name="silicon" formula="Si" Z="14"> 00014 <atom value="28.0855"/> 00015 </element> 00016 00017 <material name="Vacuum" formula="Vacuum"> 00018 <D value ="1E-25" unit="g/cm3"/> 00019 <fraction n="1.0" ref="videRef"/> 00020 </material> 00021 <material name="ALUMINUM_Al" formula="ALUMINUM_Al"> 00022 <D value ="2.7000" unit="g/cm3"/> 00023 <fraction n="1.0000" ref="aluminum"/> 00024 </material> 00025 <material name="SILICON_Si" formula="SILICON_Si"> 00026 <D value ="2.3300" unit="g/cm3"/> 00027 <fraction n="1.0000" ref="silicon"/> 00028 </material> 00029 </materials> 00030