Geometry/TrackerCommonData/data/zeroMaterial/trackermaterial.xml - master - githubmirror/cmssw

Geometry/TrackerCommonData/data/zeroMaterial/trackermaterial.xml
577 строк27 KB
Sunanda
Taking care of duplicate names
18 фев 2020, 18:15
18 фев 2020, 18:1518f063c
<?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="trackermaterial.xml">
    <CompositeMaterial name="T_Barium_Titanate" density="6.02e-05*g/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="1.00000000">
        <rMaterial name="materials:Barium_Titanate" />
      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="T_Aluminium" density="2.7e-05*g/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="1.00000000">
        <rMaterial name="materials:Aluminium" />
      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="T_Beryllium" density="1.848e-05*g/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="1.00000000">
        <rMaterial name="materials:Beryllium" />
      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="T_C6F14_F2_-30C" density="1.87917e-05*g/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="1.00000000">
        <rMaterial name="materials:C6F14" />
      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="T_C6F14_F2_-20C" density="1.84675e-05*g/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="1.00000000">
        <rMaterial name="materials:C6F14" />
      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="T_CarbonFibreStr" density="1.69e-05*g/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="1.00000000">
        <rMaterial name="materials:Carbon fibre str." />
      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="T_Copper" density="8.96e-05*g/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="1.00000000">
        <rMaterial name="materials:Copper" />
      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="T_CuNi" density="8.94e-05*g/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="1.00000000">
        <rMaterial name="materials:CuNi" />
      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="T_Kevlar" density="1.44e-05*g/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="1.00000000">
        <rMaterial name="materials:Kevlar" />
      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="T_Nomex" density="0.00032*mg/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="1.00000000">
        <rMaterial name="materials:Nomex" />
      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="T_Rohacell" density="0.00052*mg/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="1.00000000">
        <rMaterial name="materials:Rohacell" />
      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="T_FR4" density="1.7e-05*g/cm3" method="mixture by weight" pork="true" symbol=" ">
      <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="T_G10" density="1.9e-05*g/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="0.13232243">
        <rMaterial name="materials:Carbon" />
      </MaterialFraction>
      <MaterialFraction fraction="0.032572448">
        <rMaterial name="materials:Hydrogen" />
      </MaterialFraction>
      <MaterialFraction fraction="0.48316123">
        <rMaterial name="materials:Oxygen" />
      </MaterialFraction>
      <MaterialFraction fraction="0.35194389">
        <rMaterial name="materials:Silicon" />
      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="T_Silicone_Gel" density="9.65e-06*g/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="1.00000000">
        <rMaterial name="materials:Silicone_Gel" />
      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="T_StainlessSteel" density="8.02e-05*g/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="1.00000000">
        <rMaterial name="materials:StainlessSteel" />
      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="Fibre_Ribbon" density="1.219000004876e-05*g/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="0.160500819357997">
        <rMaterial name="materials:Silicon" />
      </MaterialFraction>
      <MaterialFraction fraction="0.182830369268679">
        <rMaterial name="materials:Oxygen" />
      </MaterialFraction>
      <MaterialFraction fraction="0.562295327750819">
        <rMaterial name="materials:Carbon" />
      </MaterialFraction>
      <MaterialFraction fraction="0.0943734836225061">
        <rMaterial name="materials:Hydrogen" />
      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="MS_Cu60" density="2.382000004764e-05*g/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="0.850862138298276">
        <rMaterial name="trackermaterial:T_Copper" />
      </MaterialFraction>
      <MaterialFraction fraction="0.127704439744591">
        <rMaterial name="materials:Carbon" />
      </MaterialFraction>
      <MaterialFraction fraction="0.0214334219571332">
        <rMaterial name="materials:Hydrogen" />
      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="MS_cntrl_cable" density="1.63000000326e-05*g/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="0.741812588516375">
        <rMaterial name="trackermaterial:T_Copper" />
      </MaterialFraction>
      <MaterialFraction fraction="0.221081879557836">
        <rMaterial name="materials:Carbon" />
      </MaterialFraction>
      <MaterialFraction fraction="0.0371055319257889">
        <rMaterial name="materials:Hydrogen" />
      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="TS_Cooling" density="1.62562e-05*g/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="0.82993">
        <rMaterial name="trackermaterial:T_Aluminium" />
      </MaterialFraction>
      <MaterialFraction fraction="0.17007">
        <rMaterial name="materials:C6F14_3M_-15C" />
      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="TS_Shield" density="3.5161e-06*g/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="0.60198">
        <rMaterial name="materials:Inconel600" />
      </MaterialFraction>
      <MaterialFraction fraction="0.39802">
        <rMaterial name="materials:T_Kapton" />
      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="Optical_Fiber" density="1.0832708326e-05*g/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="0.400305996940031">
        <rMaterial name="materials:Polyethylene" />
      </MaterialFraction>
      <MaterialFraction fraction="0.498265017349827">
        <rMaterial name="materials:Acrylate" />
      </MaterialFraction>
      <MaterialFraction fraction="0.062479375206248">
        <rMaterial name="materials:Acrylate" />
      </MaterialFraction>
      <MaterialFraction fraction="0.038949610503895">
        <rMaterial name="materials:Silica" />
      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="T_RuggRibbon" density="8.3457e-06*g/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="0.67776">
        <rMaterial name="materials:Polyethylene" />
      </MaterialFraction>
      <MaterialFraction fraction="0.13932">
        <rMaterial name="trackermaterial:T_Kevlar" />
      </MaterialFraction>
      <MaterialFraction fraction="0.06569">
        <rMaterial name="materials:Acrylate" />
      </MaterialFraction>
      <MaterialFraction fraction="0.04524">
        <rMaterial name="materials:Silica" />
      </MaterialFraction>
      <MaterialFraction fraction="0.07199">
        <rMaterial name="materials:Acrylate" />
      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="T_Ribbon12xMUConn" density="8.6e-06*g/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="0.78488">
        <rMaterial name="materials:Polyethylene" />
      </MaterialFraction>
      <MaterialFraction fraction="0.18412">
        <rMaterial name="materials:Ceramic" />
      </MaterialFraction>
      <MaterialFraction fraction="0.01163">
        <rMaterial name="materials:Polyethylene" />
      </MaterialFraction>
      <MaterialFraction fraction="0.01937">
        <rMaterial name="materials:Iron" />
      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="TOB_Ribbon12xMUConn" density="7.7667e-06*g/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="0.7618">
        <rMaterial name="materials:Polyethylene" />
      </MaterialFraction>
      <MaterialFraction fraction="0.20388">
        <rMaterial name="materials:Ceramic" />
      </MaterialFraction>
      <MaterialFraction fraction="0.01287">
        <rMaterial name="materials:Polyethylene" />
      </MaterialFraction>
      <MaterialFraction fraction="0.02145">
        <rMaterial name="materials:Iron" />
      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="TOB_DOHM_PowerConn" density="3.7377e-05*g/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="0.0271">
        <rMaterial name="materials:T_Kapton" />
      </MaterialFraction>
      <MaterialFraction fraction="0.05322">
        <rMaterial name="trackermaterial:T_Aluminium" />
      </MaterialFraction>
      <MaterialFraction fraction="0.13372">
        <rMaterial name="materials:Polyethylene" />
      </MaterialFraction>
      <MaterialFraction fraction="0.78596">
        <rMaterial name="trackermaterial:T_Copper" />
      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="MS_Al36" density="0.439509574989643*g/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="1.21171230003931e-05">
        <rMaterial name="trackermaterial:T_Aluminium" />
      </MaterialFraction>
      <MaterialFraction fraction="8.78644642859262e-06">
        <rMaterial name="trackermaterial:T_Copper" />
      </MaterialFraction>
      <MaterialFraction fraction="0.856265732160372">
        <rMaterial name="materials:Carbon" />
      </MaterialFraction>
      <MaterialFraction fraction="0.143712345676402">
        <rMaterial name="materials:Hydrogen" />
      </MaterialFraction>
      <MaterialFraction fraction="1.01859379675756e-06">
        <rMaterial name="materials:Silver" />
      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="MS_Al48" density="0.41922692622313*g/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="1.33243200753449e-05">
        <rMaterial name="trackermaterial:T_Aluminium" />
      </MaterialFraction>
      <MaterialFraction fraction="8.36865470738563e-06">
        <rMaterial name="trackermaterial:T_Copper" />
      </MaterialFraction>
      <MaterialFraction fraction="0.856265022535651">
        <rMaterial name="materials:Carbon" />
      </MaterialFraction>
      <MaterialFraction fraction="0.143712226477871">
        <rMaterial name="materials:Hydrogen" />
      </MaterialFraction>
      <MaterialFraction fraction="1.05801169537456e-06">
        <rMaterial name="materials:Silver" />
      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="MS_Al60" density="289.367841054753*mg/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="1.47445468606606e-05">
        <rMaterial name="trackermaterial:T_Aluminium" />
      </MaterialFraction>
      <MaterialFraction fraction="7.64441887266057e-06">
        <rMaterial name="trackermaterial:T_Copper" />
      </MaterialFraction>
      <MaterialFraction fraction="0.856264334857848">
        <rMaterial name="materials:Carbon" />
      </MaterialFraction>
      <MaterialFraction fraction="0.143712109000845">
        <rMaterial name="materials:Hydrogen" />
      </MaterialFraction>
      <MaterialFraction fraction="1.16717557285881e-06">
        <rMaterial name="materials:Silver" />
      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="MS_CntrlTIBTID" density="1.58489e-05*g/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="0.44981">
        <rMaterial name="trackermaterial:T_Copper" />
      </MaterialFraction>
      <MaterialFraction fraction="0.51013">
        <rMaterial name="materials:Polyethylene" />
      </MaterialFraction>
      <MaterialFraction fraction="0.04006">
        <rMaterial name="trackermaterial:T_Aluminium" />
      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="CAB_Al60TIBTID" density="1.1658216581e-05*g/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="0.301886981130189">
        <rMaterial name="trackermaterial:T_Copper" />
      </MaterialFraction>
      <MaterialFraction fraction="0.387676123238768">
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      </MaterialFraction>
      <MaterialFraction fraction="0.222657773422266">
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      </MaterialFraction>
      <MaterialFraction fraction="0.023229767702323">
        <rMaterial name="materials:T_Kapton" />
      </MaterialFraction>
      <MaterialFraction fraction="0.0645493545064549">
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      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="CAB_Al60" density="1.3744662552e-05*g/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="0.298722987229872">
        <rMaterial name="trackermaterial:T_Copper" />
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      <MaterialFraction fraction="0.355183551835518">
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      </MaterialFraction>
      <MaterialFraction fraction="0.26910269102691">
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      </MaterialFraction>
      <MaterialFraction fraction="0.022240222402224">
        <rMaterial name="materials:T_Kapton" />
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      <MaterialFraction fraction="0.0547505475054751">
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      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="CAB_Al48" density="1.14748e-05*g/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="0.31894">
        <rMaterial name="trackermaterial:T_Copper" />
      </MaterialFraction>
      <MaterialFraction fraction="0.32994">
        <rMaterial name="trackermaterial:T_Aluminium" />
      </MaterialFraction>
      <MaterialFraction fraction="0.28131">
        <rMaterial name="materials:Polyethylene" />
      </MaterialFraction>
      <MaterialFraction fraction="0.02411">
        <rMaterial name="materials:T_Kapton" />
      </MaterialFraction>
      <MaterialFraction fraction="0.0457">
        <rMaterial name="materials:Silver" />
      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="CAB_Al36" density="1.06783e-05*g/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="0.32521">
        <rMaterial name="trackermaterial:T_Copper" />
      </MaterialFraction>
      <MaterialFraction fraction="0.31456">
        <rMaterial name="trackermaterial:T_Aluminium" />
      </MaterialFraction>
      <MaterialFraction fraction="0.29435">
        <rMaterial name="materials:Polyethylene" />
      </MaterialFraction>
      <MaterialFraction fraction="0.02564">
        <rMaterial name="materials:T_Kapton" />
      </MaterialFraction>
      <MaterialFraction fraction="0.04024">
        <rMaterial name="materials:Silver" />
      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="TS_PowerCable" density="4.0208e-05*g/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="0.10028">
        <rMaterial name="trackermaterial:T_Copper" />
      </MaterialFraction>
      <MaterialFraction fraction="0.89972">
        <rMaterial name="materials:Polyethylene" />
      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="TS_SignalCable" density="3.13035e-05*g/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="0.10018">
        <rMaterial name="trackermaterial:T_Copper" />
      </MaterialFraction>
      <MaterialFraction fraction="0.89982">
        <rMaterial name="materials:Polyethylene" />
      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="Tk_Cables_PP1" density="2.07590*g/cm3" method="mixture by weight" symbol=" ">
      <MaterialFraction fraction="0.00998">
        <rMaterial name="trackermaterial:TS_PowerCable" />
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      <MaterialFraction fraction="0.06704">
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      <MaterialFraction fraction="0">
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      </MaterialFraction>
      <MaterialFraction fraction="0.22783">
        <rMaterial name="trackermaterial:CAB_Al60" />
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      <MaterialFraction fraction="0.01863">
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      <MaterialFraction fraction="0.13358">
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      </MaterialFraction>
      <MaterialFraction fraction="0.10686">
        <rMaterial name="trackermaterial:T_Copper" />
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    </CompositeMaterial>
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      <MaterialFraction fraction="0.22194">
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      <MaterialFraction fraction="0.27443">
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      <MaterialFraction fraction="0.13535">
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      <MaterialFraction fraction="0.01331">
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      <MaterialFraction fraction="0.01320">
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      <MaterialFraction fraction="0.22420">
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    </CompositeMaterial>
    <CompositeMaterial name="Tk_panels_mid1" density="1.1787717876e-05*g/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="9.99990000099999e-06">
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      <MaterialFraction fraction="0.0840491595084049">
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      <MaterialFraction fraction="0.8450015499845">
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      <MaterialFraction fraction="0.0709392906070939">
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      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="Tk_panels_mid1b" density="1.17876e-06*g/cm3" method="mixture by weight" symbol=" ">
      <MaterialFraction fraction="1e-05">
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      <MaterialFraction fraction="0.84501">
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      <MaterialFraction fraction="0.07094">
         <rMaterial name="materials:C6F14"/>
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    </CompositeMaterial>
    <CompositeMaterial name="Tk_panels_mid2" density="3.586564134e-06*g/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="1.0000100001e-05">
        <rMaterial name="materials:Quartz" />
      </MaterialFraction>
      <MaterialFraction fraction="0.145951459514595">
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      <MaterialFraction fraction="0.119111191111911">
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      <MaterialFraction fraction="0.734927349273493">
        <rMaterial name="trackermaterial:T_Copper" />
      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="Tk_panels_up" density="2.20999869926379e-06*g/cm3" method="mixture by weight" pork="true" symbol=" ">
      <MaterialFraction fraction="0.281640165764507">
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      </MaterialFraction>
      <MaterialFraction fraction="0.0445400262148528">
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      <MaterialFraction fraction="0.0589494451957818">
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      <MaterialFraction fraction="0.0582900344242535">
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      </MaterialFraction>
      <MaterialFraction fraction="0.380440224675982">
        <rMaterial name="trackermaterial:MS_Cu60" />
      </MaterialFraction>
      <MaterialFraction fraction="0.0135300080174554">
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      <MaterialFraction fraction="0.0263400155029013">
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      </MaterialFraction>
      <MaterialFraction fraction="0.136270080204266">
        <rMaterial name="materials:C6F14" />
      </MaterialFraction>
    </CompositeMaterial>

    <!-- Phase1 BPIX micro-twisted pairs signal cables material as defined by W. Bertl -->
    <CompositeMaterial name="micro_twisted_signal_cable" density="1.1787717876e-07*4.09*g/cm3" symbol=" " method="mixture by weight">
      <MaterialFraction fraction="0.476683">
        <rMaterial name="materials:Aluminium"/>
      </MaterialFraction>
      <MaterialFraction fraction="0.274139">
        <rMaterial name="materials:Copper"/>
      </MaterialFraction>
      <MaterialFraction fraction="0.1494102">
        <rMaterial name="materials:Carbon"/>
      </MaterialFraction>
      <MaterialFraction fraction="0.02006116">
        <rMaterial name="materials:Hydrogen"/>
      </MaterialFraction>
      <MaterialFraction fraction="0.07960754">
        <rMaterial name="materials:Oxygen"/>
      </MaterialFraction>
    </CompositeMaterial>
    <!-- Phase1 BPIX micro-twisted pairs power cables material as defined by W. Bertl -->
    <CompositeMaterial name="micro_twisted_power_cable" density="1.1787717876e-07*3.42*g/cm3" symbol=" " method="mixture by weight">
      <MaterialFraction fraction="0.751011">
        <rMaterial name="materials:Aluminium"/>
      </MaterialFraction>
      <MaterialFraction fraction="0.138483">
        <rMaterial name="materials:Copper"/>
      </MaterialFraction>
      <MaterialFraction fraction="0.066287">
        <rMaterial name="materials:Carbon"/>
      </MaterialFraction>
      <MaterialFraction fraction="0.0089008">
        <rMaterial name="materials:Hydrogen"/>
      </MaterialFraction>
      <MaterialFraction fraction="0.0353182">
        <rMaterial name="materials:Oxygen"/>
      </MaterialFraction>
    </CompositeMaterial>
  
    <!--OUTDATED Phase1 BPIX micro-twisted pairs boundle material as defined by W. Bertl, effective density defined to matcht the measured weigth (0.0071+0.0208 g/cm) in a single 1.5mm diam. boundle-->
    <CompositeMaterial name="micro_twisted_boundle" density="1.1787717876e-07*1.585*g/cm3" symbol=" " method="mixture by weight">
      <MaterialFraction fraction="0.7455">
        <rMaterial name="trackermaterial:micro_twisted_power_cable"/>
      </MaterialFraction>
      <MaterialFraction fraction="0.2545">
        <rMaterial name="trackermaterial:micro_twisted_signal_cable"/>
      </MaterialFraction>
    </CompositeMaterial>
  
    <!--Phase1 BPIX micro-twisted pairs boundle material as defined by L. Caminada-->
    <CompositeMaterial name="micro_twisted_power_cable2" density="1.1787717876e-07*3.639*g/cm3" symbol=" " method="mixture by weight">
      <MaterialFraction fraction="0.36933">
        <rMaterial name="trackermaterial:T_Copper"/>
      </MaterialFraction>
      <MaterialFraction fraction="0.63067">
        <rMaterial name="trackermaterial:T_Aluminium"/>
      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="micro_twisted_boundle_1" density="1.1787717876e-07*2.93382*g/cm3" symbol=" " method="mixture by weight"> <!--for L1-->
      <MaterialFraction fraction="0.04631">
        <rMaterial name="trackermaterial:T_Copper"/>
      </MaterialFraction>
      <MaterialFraction fraction="0.95369">
        <rMaterial name="trackermaterial:micro_twisted_power_cable2"/>
      </MaterialFraction>
    </CompositeMaterial>
    <CompositeMaterial name="micro_twisted_boundle_2" density="1.1787717876e-07*2.91735*g/cm3" symbol=" " method="mixture by weight"> <!--for L2,3,4-->
      <MaterialFraction fraction="0.04964">
        <rMaterial name="trackermaterial:T_Copper"/>
      </MaterialFraction>
      <MaterialFraction fraction="0.95036">
        <rMaterial name="trackermaterial:micro_twisted_power_cable2"/>
      </MaterialFraction>
    </CompositeMaterial>
  </MaterialSection>
</DDDefinition>