Line Code
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<?xml version="1.0"?>
<DDDefinition>

<MaterialSection label="hgcalMaterial.xml">
  <CompositeMaterial name="WCu" density="14.979*g/cm3" symbol=" " method="mixture by weight">
    <MaterialFraction fraction="0.75">
      <rMaterial name="materials:Tungsten"/>
    </MaterialFraction>
    <MaterialFraction fraction="0.25">
      <rMaterial name="materials:Copper"/>
    </MaterialFraction>
  </CompositeMaterial>
  <CompositeMaterial name="HGC_G10-FR4" density="1.70*g/cm3" symbol=" " method="mixture by weight">
   <MaterialFraction fraction="0.18077359">
    <rMaterial name="materials:Silicon"/>
   </MaterialFraction>
   <MaterialFraction fraction="0.4056325">
    <rMaterial name="materials:Oxygen"/>
   </MaterialFraction>
   <MaterialFraction fraction="0.27804208">
    <rMaterial name="materials:Carbon"/>
   </MaterialFraction>
   <MaterialFraction fraction="0.068442752">
    <rMaterial name="materials:Hydrogen"/>
   </MaterialFraction>
   <MaterialFraction fraction="0.067109079">
    <rMaterial name="materials:Bromine"/>
   </MaterialFraction>
  </CompositeMaterial>
  <CompositeMaterial name="PyrexGlass" density="2.230*g/cm3" symbol=" " method="mixture by weight">
    <MaterialFraction fraction="0.040061">
      <rMaterial name="materials:Bor 10"/>
    </MaterialFraction>
    <MaterialFraction fraction="0.539564">
      <rMaterial name="materials:Oxygen"/>
    </MaterialFraction>
    <MaterialFraction fraction="0.028191">
      <rMaterial name="materials:Sodium"/>
    </MaterialFraction>
    <MaterialFraction fraction="0.011644">
      <rMaterial name="materials:Aluminium"/>
    </MaterialFraction>
    <MaterialFraction fraction="0.377220">
      <rMaterial name="materials:Silicon"/>
    </MaterialFraction>
    <MaterialFraction fraction="0.003321">
      <rMaterial name="materials:Potassium"/>
    </MaterialFraction>
  </CompositeMaterial>
  <CompositeMaterial name="LeadGlass" density="2.230*g/cm3" symbol=" " method="mixture by weight">
    <MaterialFraction fraction="0.156453">
      <rMaterial name="materials:Oxygen"/>
    </MaterialFraction>
    <MaterialFraction fraction="0.080866">
      <rMaterial name="materials:Silicon"/>
    </MaterialFraction>
    <MaterialFraction fraction="0.008092">
      <rMaterial name="materials:Titanium"/>
    </MaterialFraction>
    <MaterialFraction fraction="0.002651">
      <rMaterial name="materials:Arsenic"/>
    </MaterialFraction>
    <MaterialFraction fraction="0.751938">
      <rMaterial name="materials:Lead"/>
    </MaterialFraction>
  </CompositeMaterial>
  <CompositeMaterial name="HGC_EEConnector" density="1.214*mg/cm3" symbol=" " method="mixture by weight">
    <MaterialFraction fraction="1.0">
      <rMaterial name="materials:Air"/>
    </MaterialFraction>
  </CompositeMaterial>
  <CompositeMaterial name="HGC_HEConnector" density="1.214*mg/cm3" symbol=" " method="mixture by weight">
    <MaterialFraction fraction="1.0">
      <rMaterial name="materials:Air"/>
    </MaterialFraction>
  </CompositeMaterial>
  <CompositeMaterial name="HGC_Cables" density="2.68*g/cm3" symbol=" " method="mixture by weight">
    <MaterialFraction fraction="1.0">
      <rMaterial name="materials:Cables"/>
    </MaterialFraction>
  </CompositeMaterial>
</MaterialSection>

</DDDefinition>