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<?xml version="1.0"?>
<DDDefinition xmlns="http://www.cern.ch/cms/DDL" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.cern.ch/cms/DDL ../../../DetectorDescription/Schema/DDLSchema.xsd">
<MaterialSection label="zdcmaterials.xml">
<CompositeMaterial name="Air" density="1.29*mg/cm3" symbol=" " method="mixture by weight">
<MaterialFraction fraction="0.7">
<rMaterial name="materials:Nitrogen"/>
</MaterialFraction>
<MaterialFraction fraction="0.3">
<rMaterial name="materials:Oxygen"/>
</MaterialFraction>
</CompositeMaterial>
<ElementaryMaterial name="Copper" density="8.92*g/cm3" symbol=" " atomicWeight="63.546*g/mole" atomicNumber="29"/>
<ElementaryMaterial name="Galactic" density="1e-22*mg/cm3" symbol=" " atomicWeight="1.01*g/mole" atomicNumber="1"/>
<CompositeMaterial name="Luminosity Gas" density="6.5933*mg/cm3" symbol=" " method="mixture by weight">
<MaterialFraction fraction="0.01">
<rMaterial name="materials:Nitrogen"/>
</MaterialFraction>
<MaterialFraction fraction="0.99">
<rMaterial name="materials:Argon"/>
</MaterialFraction>
</CompositeMaterial>
<ElementaryMaterial name="Tungsten" density="19.25*g/cm3" symbol=" " atomicWeight="183.84*g/mole" atomicNumber="74"/>
<CompositeMaterial name="quartz" density="2.2*g/cm3" symbol=" " method="mixture by weight">
<MaterialFraction fraction="0.46746547">
<rMaterial name="materials:Silicon"/>
</MaterialFraction>
<MaterialFraction fraction="0.53253453">
<rMaterial name="materials:Oxygen"/>
</MaterialFraction>
</CompositeMaterial>
</MaterialSection>
</DDDefinition>
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