Line Code
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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">
	<ConstantsSection label="cmsextent.xml" eval="true">
		<Constant name="Rmin" value="0*fm"/>
		<Constant name="Zmin" value="0*fm"/>
		<Constant name="HallZ" value="27.0*m"/>
		<Constant name="HallR" value="14.3*m"/>
		<Constant name="HallRMax" value="17.5*m"/>
		<Constant name="CMSR1" value="8.30*m"/>
		<Constant name="CMSR2" value="1.00*m"/>
		<Constant name="CMSZ1" value="450.0*m"/>
		<Constant name="CMSZ2" value="26.0*m"/>
	</ConstantsSection>
	<SolidSection label="cmsextent.xml">
		<Tubs name="CMStoZDC" rMin="[Rmin]" rMax="[CMSR2]" dz="56*m" startPhi="0*deg" deltaPhi="360*deg"/>
		<Tubs name="ZDCtoFP420" rMin="[Rmin]" rMax="[CMSR2]" dz="120*m" startPhi="0*deg" deltaPhi="360*deg"/>
	</SolidSection>
	<LogicalPartSection label="cmsextent.xml">
		<LogicalPart name="CMStoZDC" category="unspecified">
			<rSolid name="CMStoZDC"/>
			<rMaterial name="materials:Air"/>
		</LogicalPart>
		<LogicalPart name="ZDCtoFP420" category="unspecified">
			<rSolid name="ZDCtoFP420"/>
			<rMaterial name="materials:Air"/>
		</LogicalPart>
	</LogicalPartSection>
	<PosPartSection label="cmsextent.xml">
		<PosPart copyNumber="1">
			<rParent name="cms:CMSE"/>
			<rChild name="cmsextent:CMStoZDC"/>
			<Translation x="0*fm" y="0*fm" z="83*m"/>
		</PosPart>
		<PosPart copyNumber="2">
			<rParent name="cms:CMSE"/>
			<rChild name="cmsextent:CMStoZDC"/>
			<Translation x="0*fm" y="0*fm" z="-83*m"/>
		</PosPart>
		<PosPart copyNumber="1">
			<rParent name="cms:CMSE"/>
			<rChild name="cmsextent:ZDCtoFP420"/>
			<Translation x="0*fm" y="0*fm" z="270*m"/>
		</PosPart>
		<PosPart copyNumber="2">
			<rParent name="cms:CMSE"/>
			<rChild name="cmsextent:ZDCtoFP420"/>
			<Translation x="0*fm" y="0*fm" z="-270*m"/>
		</PosPart>
	</PosPartSection>
	<SpecParSection label="cmsextent.xml" eval="true">
		<SpecPar name="cmsextent">
			<PartSelector path="//CMStoZDC"/>
			<PartSelector path="//ZDCtoFP420"/>
			<Parameter name="CMSCutsRegion" value="InterimRegion" eval="false"/>
			<Parameter name="ProdCutsForElectrons" value="1*mm"/>
			<Parameter name="ProdCutsForPositrons" value="1*mm"/>
			<Parameter name="ProdCutsForGamma" value="1*mm"/>
		</SpecPar>
	</SpecParSection>
</DDDefinition>