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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">
<!--*******************************************************************************************************************
******** IMPORTANT!!! WHILE SECTIONS ARE LABELED ABOVE, COMMENTS ARE UNDERNEATH THE LINES THEY ARE ABOUT!!!
notes:
When I refer to central pad, I am speaking of the circular detection area of the BSC.
When I refer to the trapezoidal paddles, I am speaking of the 4 trapezoidal parts of the detector.
************************************************************************************************************************-->
<ConstantsSection label="brm.xml" eval="true">
<!--BSC1_Specifications(below)-->
<Constant name="rMinBSC" value="22.0*cm"/>
<Constant name="rMaxBSC" value="45.0*cm"/>
<Constant name="rMaxBSCActive" value="43.4*cm"/>
<Constant name="rMinBSCActive" value="26.3*cm"/>
<!--^^^^Specifications for the central pad of the BSC1^^^^-->
<Constant name="dzBSC1" value="1.0*cm"/>
<!--^^^^Thickness from center of BSC^^^^-->
<Constant name="dhTrapezoid" value="48.691*cm"/>
<Constant name="dlTrapezoid" value="5.409*cm"/>
<Constant name="dLTrapezoid" value="12.179*cm"/>
<Constant name="posTrapezoid" value="675.76*mm"/>
<!--^^^^Trapezoidal Paddles of the BSC1^^^^-->
<!--^^^^^Where the BSC1 is located down the beampipe^^^-->
<Constant name="dzBSCAl1" value="0.2*cm"/>
<Constant name="dzBSCAl1F" value="0.4*cm"/>
<Constant name="dzBSCExtra" value="([dzBSCAl1]+[dzBSCAl1F])"/>
<Constant name="dzBSC1Total" value="([dzBSC1]+[dzBSCExtra])"/>
<Constant name="zposBSC1" value="[forwardshield:FixShldZ1]-[dzBSC1Total]"/>
<!--^^^^ Thickness of Aluminum shield of the central pad on the back and front respectively-->
<Constant name="dzBSCAlTrap1" value="0.2*cm"/>
<Constant name="dzBSCAlTrap1F" value="0.1*cm"/>
<Constant name="dzBSC1Extra" value="([dzBSCAlTrap1]+[dzBSCAlTrap1F])"/>
<Constant name="dzBSC1Trap" value="([dzBSC1]+[dzBSC1Extra])"/>
<Constant name="zposBSC1Trap" value="[dzBSC1Total]-[dzBSC1Trap]"/>
<Constant name="zposBSC1TrapT" value="[dzBSC1Trap]-[dzBSC1]-2*[dzBSCAlTrap1]"/>
<Constant name="zposBSC1Pad" value="[dzBSC1Total]-[dzBSC1]-2*[dzBSCAl1]"/>
<!--^^^ Thickness of Aluminum shields of trapezoidal paddles on bsc1 (back,then front)-->
<!--BSC2 Specifications-->
<Constant name="dzBSC2" value="0.8*cm"/>
<Constant name="dzBSC2Total" value="([dzBSC2]+[dzBSCExtra])"/>
<!--^^^ Thickness of BSC2 ^^^^-->
<Constant name="zposBSC2" value="[cms:ForwdDetsZ2]-[dzBSC2Total]"/>
<!--^^^Where BSC2 rests along the beamline-->
</ConstantsSection>
<SolidSection label="brm.xml">
<!--BSC1 Section (below)-->
<Tubs name="BSC1" rMin="[cms:ForwdBeamR1]" rMax="95*cm" dz="[dzBSC1Total]" startPhi="0*deg" deltaPhi="360*deg"/>
<!--^^Making an invisible volume, radius of 95cm and 360degrees around beam-->
<TruncTubs name="BSCPadAir" rMin="[rMinBSC]" rMax="[rMaxBSC]" zHalf="[dzBSC1Total]" cutAtStart="[rMinBSC]" cutAtDelta="[rMinBSC]" startPhi="0*deg" deltaPhi="45*deg" cutInside="true"/>
<!--^^^Creating a pad which will be the central BSC pad with max radius defined above, this is only an octant of a circle as seen by deltaPhi being 45deg. This will be a hollowed out volume-->
<TruncTubs name="BSCPad" rMin="[rMinBSC]" rMax="[rMaxBSC]" zHalf="[dzBSC1]" cutAtStart="[rMinBSC]" cutAtDelta="[rMinBSC]" startPhi="0*deg" deltaPhi="45*deg" cutInside="true"/>
<!-- ^^^We just created the stainless steal mount which the scintillator is on.-->
<TruncTubs name="BSCPadActive" rMin="[rMinBSCActive]" rMax="[rMaxBSCActive]" zHalf="[dzBSC1]" cutAtStart="[rMinBSCActive]" cutAtDelta="[rMinBSCActive]" startPhi="0*deg" deltaPhi="45*deg" cutInside="true"/>
<!--^^^ Making the detector part of the pad. This covers 45 degrees and will then be rotated to make a complete circle.-->
<Trapezoid name="BSCTrap" dz="[dzBSC1]+[dzBSC1Extra]" alp1="0*deg" bl1="[dlTrapezoid]" tl1="[dLTrapezoid]" h1="[dhTrapezoid]" alp2="0*deg" bl2="[dlTrapezoid]" tl2="[dLTrapezoid]" h2="[dhTrapezoid]" phi="0*deg" theta="0*deg"/>
<!--^^^ Creating the hollowed out trapezoidal space that will become the BSC1 paddles.-->
<Trapezoid name="BSCTopTrapezoid" dz="[dzBSC1]" alp1="0*deg" bl1="([dlTrapezoid]+[dLTrapezoid])/2" tl1="[dLTrapezoid]" h1="[dhTrapezoid]/2" alp2="0*deg" bl2="([dlTrapezoid]+[dLTrapezoid])/2" tl2="[dLTrapezoid]" h2="[dhTrapezoid]/2" phi="0*deg" theta="0*deg"/>
<!--^^^The bigger half of the bisected trapezoidal paddle-->
<Trapezoid name="BSCBottomTrapezoid" dz="[dzBSC1]" alp1="0*deg" bl1="[dlTrapezoid]" tl1="([dlTrapezoid]+[dLTrapezoid])/2" h1="[dhTrapezoid]/2" alp2="0*deg" bl2="[dlTrapezoid]" tl2="([dlTrapezoid]+[dLTrapezoid])/2" h2="[dhTrapezoid]/2" phi="0*deg" theta="0*deg"/>
<!--^^^The smaller half of the bisceted trapezoidal paddle-->
<!--Now to add in aluminum volumes(below)-->
<TruncTubs name="BSCAlPadCoversBack" rMin="[rMinBSC]" rMax="[rMaxBSC]" zHalf="[dzBSCAl1]" cutAtStart="[rMinBSC]" cutAtDelta="[rMinBSC]" startPhi="0*deg" deltaPhi="45*deg" cutInside="true"/>
<!--^^^Aluminum cover on the back of the BSC pad, these will be rotated to cover the whole of the active area-->
<TruncTubs name="BSCAlPadCoversFront" rMin="[rMinBSC]" rMax="[rMaxBSC]" zHalf="[dzBSCAl1F]" cutAtStart="[rMinBSC]" cutAtDelta="[rMinBSC]" startPhi="0*deg" deltaPhi="45*deg" cutInside="true"/>
<!--^^Aluminum cover on the front of the BSC pad-->
<Trapezoid name="BSCAlTrapCoversBack" dz="[dzBSCAlTrap1]" alp1="0*deg" bl1="[dlTrapezoid]" tl1="[dLTrapezoid]" alp2="0*deg" bl2="[dlTrapezoid]" tl2="[dLTrapezoid]" h1="[dhTrapezoid]" h2="[dhTrapezoid]" phi="0*deg" theta="0*deg"/>
<Trapezoid name="BSCAlTrapCoversFront" dz="[dzBSCAlTrap1F]" alp1="0*deg" bl1="[dlTrapezoid]" tl1="[dLTrapezoid]" alp2="0*deg" bl2="[dlTrapezoid]" tl2="[dLTrapezoid]" h1="[dhTrapezoid]" h2="[dhTrapezoid]" phi="0*deg" theta="0*deg"/>
<!--^^Aluminum covers on the trapezoidal paddles of the BSC1-->
<!--BSC2 Information(below)-->
<Tubs name="BSC2" rMin="[cms:ForwdBeamR4]" rMax="[cms:ForwdDetsR1]" dz="[dzBSC2Total]" startPhi="0*deg" deltaPhi="360*deg"/>
<!--^^^ Weve just created a volume in which we will place the BSC2-->
<Tubs name="BSC2MountArea" rMin="5.4*cm" rMax="32.0*cm" dz="[dzBSC2Total]" startPhi="0*deg" deltaPhi="360*deg"/>
<!-- We have just made the area that holds the BSC2 Pads-->
<TruncTubs name="BSC2Pad" rMin="9.7*cm" rMax="31.0*cm" zHalf="[dzBSC2Total]" cutAtStart="9.7*cm" cutAtDelta="9.7*cm" startPhi="0*deg" deltaPhi="45*deg" cutInside="true"/>
<!-- We have just made what will become the two active tiles on the BSC2-->
<TruncTubs name="BSC2AlPadCoversBack" rMin="9.7*cm" rMax="31.0*cm" zHalf="[dzBSCAl1]" cutAtStart="9.7*cm" cutAtDelta="9.7*cm" startPhi="0*deg" deltaPhi="45*deg" cutInside="true"/>
<TruncTubs name="BSC2AlPadCoversFront" rMin="9.7*cm" rMax="31.0*cm" zHalf="[dzBSCAl1F]" cutAtStart="9.7*cm" cutAtDelta="9.7*cm" startPhi="0*deg" deltaPhi="45*deg" cutInside="true"/>
<!--We have just made the covers that will go on the two active areas of the BSC2-->
</SolidSection>
<LogicalPartSection label="brm.xml">
<!--BSC1 Definitions-->
<LogicalPart name="BSC1" category="unspecified">
<rSolid name="BSC1"/>
<rMaterial name="materials:Air"/>
</LogicalPart>
<!--^^Making BSC1 hollowed area full of air-->
<LogicalPart name="BSCPadAir" category="unspecified">
<rSolid name="BSCPadAir"/>
<rMaterial name="materials:Air"/>
</LogicalPart>
<!--just made the air section for the central pad-->
<LogicalPart name="BSCPad" category="unspecified">
<rSolid name="BSCPad"/>
<rMaterial name="materials:StainlessSteel"/>
<!--<rMaterial name="materials:Air"/>-->
</LogicalPart>
<!--^^Doing the same thing for the central pad-->
<LogicalPart name="BSCPadActive" category="unspecified">
<rSolid name="BSCPadActive"/>
<rMaterial name="materials:Scintillator"/>
</LogicalPart>
<!--^^Making the octants be made of scintillator-->
<LogicalPart name="BSCTrap" category="unspecified">
<rSolid name="BSCTrap"/>
<rMaterial name="materials:Air"/>
</LogicalPart>
<!--^^repeat above process for the trapezoidal paddles-->
<LogicalPart name="BSCTopTrapezoid" category="unspecified">
<rSolid name="BSCTopTrapezoid"/>
<rMaterial name="materials:Scintillator"/>
</LogicalPart>
<LogicalPart name="BSCBottomTrapezoid" category="unspecified">
<rSolid name="BSCBottomTrapezoid"/>
<rMaterial name="materials:Scintillator"/>
</LogicalPart>
<!--Aluminum Definitions (below)-->
<LogicalPart name="BSCAlTrapCoversBack" category="unspecified">
<rSolid name="BSCAlTrapCoversBack"/>
<rMaterial name="materials:Aluminium"/>
</LogicalPart>
<LogicalPart name="BSCAlTrapCoversFront" category="unspecified">
<rSolid name="BSCAlTrapCoversFront"/>
<rMaterial name="materials:Aluminium"/>
</LogicalPart>
<LogicalPart name="BSCAlPadCoversBack" category="unspecified">
<rSolid name="BSCAlPadCoversBack"/>
<rMaterial name="materials:Aluminium"/>
</LogicalPart>
<LogicalPart name="BSCAlPadCoversFront" category="unspecified">
<rSolid name="BSCAlPadCoversFront"/>
<rMaterial name="materials:Aluminium"/>
</LogicalPart>
<!--^^In the above part we have made an Aluminum trapezoid, we have covered the octants in aluminum on both sides, front and back -->
<!--BSC2 definitions(below)-->
<LogicalPart name="BSC2" category="unspecified">
<rSolid name="BSC2"/>
<rMaterial name="materials:Air"/>
</LogicalPart>
<LogicalPart name="BSC2MountArea" category="unspecified">
<rSolid name="BSC2MountArea"/>
<rMaterial name="materials:StainlessSteel"/>
</LogicalPart>
<LogicalPart name="BSC2Pad" category="unspecified">
<rSolid name="BSC2Pad"/>
<rMaterial name="materials:Scintillator"/>
</LogicalPart>
<LogicalPart name="BSC2AlPadCoversBack" category="unspecified">
<rSolid name="BSC2AlPadCoversBack"/>
<rMaterial name="materials:Aluminium"/>
</LogicalPart>
<LogicalPart name="BSC2AlPadCoversFront" category="unspecified">
<rSolid name="BSC2AlPadCoversFront"/>
<rMaterial name="materials:Aluminium"/>
</LogicalPart>
</LogicalPartSection>
<PosPartSection label="brm.xml">
<!--We will start with the BSC2(below)-->
<PosPart copyNumber="1">
<rParent name="cms:CMSE"/>
<rChild name="brm:BSC2"/>
<rRotation name="rotations:000D"/>
<Translation x="0*fm" y="0*fm" z="[zposBSC2]"/>
</PosPart>
<PosPart copyNumber="2">
<rParent name="cms:CMSE"/>
<rChild name="brm:BSC2"/>
<rRotation name="rotations:000D"/>
<Translation x="0*fm" y="0*fm" z="-[zposBSC2]"/>
</PosPart>
<PosPart copyNumber="1">
<rParent name="brm:BSC2"/>
<rChild name="brm:BSC2MountArea"/>
<rRotation name="rotations:000D"/>
<Translation x="0*cm" y="0*fm" z="0*fm"/>
</PosPart>
<!--Above we have just placed the stainless steel mount for the BSC2 inside of the volume of air-->
<PosPart copyNumber="1">
<rParent name="brm:BSC2MountArea"/>
<rChild name="brm:BSC2Pad"/>
<rRotation name="brmrotations:B202X"/>
<Translation x="0*cm" y="0*fm" z="0*fm"/>
</PosPart>
<PosPart copyNumber="2">
<rParent name="brm:BSC2MountArea"/>
<rChild name="brm:BSC2Pad"/>
<rRotation name="brmrotations:B22X"/>
<Translation x="0*cm" y="0*fm" z="0*fm"/>
</PosPart>
<!--Above we have just mounted the BSC2 scintillator pads onto the BSC2 mounting area-->
<PosPart copyNumber="1">
<rParent name="brm:BSC2Pad"/>
<rChild name="brm:BSC2AlPadCoversFront"/>
<rRotation name="rotations:000D"/>
<Translation x="0*cm" y="0*cm" z="-([dzBSC2Total]-[dzBSCAl1F])"/>
</PosPart>
<!--We have just put the frontal aluminium shields on the BSC2 scintillator tiles-->
<PosPart copyNumber="1">
<rParent name="brm:BSC2Pad"/>
<rChild name="brm:BSC2AlPadCoversBack"/>
<rRotation name="rotations:000D"/>
<Translation x="0*cm" y="0*cm" z="([dzBSC2Total]-[dzBSCAl1])"/>
</PosPart>
<!--We have just put the rear aluminium shields on the BSC2 scintillator tiles-->
<!--Now we work on the BSC1(below)-->
<PosPart copyNumber="1">
<rParent name="forwardshield:OQUA"/>
<rChild name="brm:BSC1"/>
<rRotation name="brmrotations:B45R"/>
<Translation x="0*fm" y="0*fm" z="[zposBSC1]"/>
</PosPart>
<!--We have just finished creating the large hollow area where we are gonna put the BSC1-->
<PosPart copyNumber="1">
<rParent name="brm:BSC1"/>
<rChild name="brm:BSCTrap"/>
<rRotation name="rotations:000D"/>
<Translation x="+[posTrapezoid]" y="0*cm" z="[zposBSC1Trap]"/>
</PosPart>
<!--We have just created the trapezoidal paddles and declared it as being a part of the large hollow area-->
<PosPart copyNumber="2">
<rParent name="brm:BSC1"/>
<rChild name="brm:BSCTrap"/>
<rRotation name="brmrotations:B90P"/>
<Translation x="0*cm" y="+[posTrapezoid]" z="[zposBSC1Trap]"/>
</PosPart>
<PosPart copyNumber="3">
<rParent name="brm:BSC1"/>
<rChild name="brm:BSCTrap"/>
<rRotation name="brmrotations:B90M"/>
<Translation x="0*cm" y="-[posTrapezoid]" z="[zposBSC1Trap]"/>
</PosPart>
<PosPart copyNumber="4">
<rParent name="brm:BSC1"/>
<rChild name="brm:BSCTrap"/>
<rRotation name="brmrotations:B90L"/>
<Translation x="-[posTrapezoid]" y="0*cm" z="[zposBSC1Trap]"/>
</PosPart>
<!--Above we have just duplicated the first trapezoid 4 times to make the 4 trapezoidal panels of the BSC1-->
<PosPart copyNumber="1">
<rParent name="brm:BSCTrap"/>
<rChild name="brm:BSCTopTrapezoid"/>
<rRotation name="rotations:000D"/>
<Translation x="0*cm" y="([dhTrapezoid]/2)" z="[zposBSC1TrapT]"/>
</PosPart>
<PosPart copyNumber="1">
<rParent name="brm:BSCTrap"/>
<rChild name="brm:BSCBottomTrapezoid"/>
<rRotation name="rotations:000D"/>
<Translation x="0*cm" y="(-[dhTrapezoid]/2)" z="[zposBSC1TrapT]"/>
</PosPart>
<!--We have just made the two different sections of the trapezoid and put them into their appropriate places inside the large hollow trapezoid-->
<!--Now we will make the aluminum covers for the Trapezoidal sections and tie them onto the trapezoids we just made-->
<PosPart copyNumber="1">
<rParent name="brm:BSCTrap"/>
<rChild name="brm:BSCAlTrapCoversFront"/>
<rRotation name="rotations:000D"/>
<Translation x="0*cm" y="0*cm" z="-([dzBSC1Trap]-[dzBSCAlTrap1F])"/>
</PosPart>
<PosPart copyNumber="1">
<rParent name="brm:BSCTrap"/>
<rChild name="brm:BSCAlTrapCoversBack"/>
<rRotation name="rotations:000D"/>
<Translation x="0*cm" y="0*cm" z="([dzBSC1Trap]-[dzBSCAlTrap1])"/>
</PosPart>
<!--Just put aluminum covers on the BSC trapezoidal paddles-->
<!--Now we will work on the BSC central pad-->
<PosPart copyNumber="1">
<rParent name="brm:BSCPadAir"/>
<rChild name="brm:BSCPad"/>
<rRotation name="rotations:000D"/>
<Translation x="0*cm" y="0*cm" z="[zposBSC1Pad]"/>
</PosPart>
<!--Just tied the stainless steel pads onto the hollow octants on the central pad-->
<PosPart copyNumber="1">
<rParent name="brm:BSCPad"/>
<rChild name="brm:BSCPadActive"/>
<rRotation name="rotations:000D"/>
<Translation x="0*cm" y="0*cm" z="0*cm"/>
</PosPart>
<!--Just made the scintillator pads embedded inside of the stainless steel mounts-->
<PosPart copyNumber="1">
<rParent name="brm:BSCPadAir"/>
<rChild name="brm:BSCAlPadCoversBack"/>
<rRotation name="rotations:000D"/>
<Translation x="0*cm" y="0*cm" z="([dzBSC1Total]-[dzBSCAl1])"/>
</PosPart>
<!--Just tied the aluminum shield to the back of one of the octants-->
<PosPart copyNumber="1">
<rParent name="brm:BSCPadAir"/>
<rChild name="brm:BSCAlPadCoversFront"/>
<rRotation name="rotations:000D"/>
<Translation x="0*cm" y="0*cm" z="-([dzBSC1Total]-[dzBSCAl1F])"/>
</PosPart>
<!--Just tied the aluminum to the front of one of the octants-->
<Algorithm name="hcal:DDHCalAngular">
<rParent name="brm:BSC1"/>
<String name="ChildName" value="BSCPadAir"/>
<String name="RotNameSpace" value="hcalrotations"/>
<Numeric name="n" value="8"/>
<Numeric name="startCopyNo" value="1"/>
<Numeric name="incrCopyNo" value="1"/>
<Numeric name="rangeAngle" value="360*deg"/>
<Numeric name="startAngle" value="0*deg"/>
<Numeric name="shiftY" value="0*fm"/>
<Numeric name="shiftX" value="0*fm"/>
<Numeric name="zoffset" value="0*fm"/>
</Algorithm>
<!--This above algorithim takes the aluminum covered octants and rotates them and copies them 8 times leaving the finished central pad-->
</PosPartSection>
</DDDefinition>
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