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  <materials>
    <isotope N="1" Z="1" name="H1">
      <atom unit="g/mole" value="1.00782503081372"/>
    </isotope>
    <isotope N="2" Z="1" name="H2">
      <atom unit="g/mole" value="2.01410199966617"/>
    </isotope>
    <element name="H">
      <fraction n="0.999885" ref="H1"/>
      <fraction n="0.000115" ref="H2"/>
    </element>
    <material name="G4_H" state="gas">
      <D unit="g/cm3" value="8.3748e-05"/>
      <fraction n="1" ref="H"/>
    </material>
    <isotope N="12" Z="6" name="C12">
      <atom unit="g/mole" value="12"/>
    </isotope>
    <isotope N="13" Z="6" name="C13">
      <atom unit="g/mole" value="13.0034"/>
    </isotope>
    <element name="C">
      <fraction n="0.9893" ref="C12"/>
      <fraction n="0.0107" ref="C13"/>
    </element>
    <isotope N="14" Z="7" name="N14">
      <atom unit="g/mole" value="14.0031"/>
    </isotope>
    <isotope N="15" Z="7" name="N15">
      <atom unit="g/mole" value="15.0001"/>
    </isotope>
    <element name="N">
      <fraction n="0.99632" ref="N14"/>
      <fraction n="0.00368" ref="N15"/>
    </element>
    <isotope N="16" Z="8" name="O16">
      <atom unit="g/mole" value="15.9949"/>
    </isotope>
    <isotope N="17" Z="8" name="O17">
      <atom unit="g/mole" value="16.9991"/>
    </isotope>
    <isotope N="18" Z="8" name="O18">
      <atom unit="g/mole" value="17.9992"/>
    </isotope>
    <element name="O">
      <fraction n="0.99757" ref="O16"/>
      <fraction n="0.00038" ref="O17"/>
      <fraction n="0.00205" ref="O18"/>
    </element>
    <material name="G4_KAPTON" state="solid">
      <MEE unit="eV" value="79.6"/>
      <D unit="g/cm3" value="1.42"/>
      <fraction n="0.026362" ref="H"/>
      <fraction n="0.691133" ref="C"/>
      <fraction n="0.07327" ref="N"/>
      <fraction n="0.209235" ref="O"/>
    </material>
    <isotope N="28" Z="14" name="Si28">
      <atom unit="g/mole" value="27.9769"/>
    </isotope>
    <isotope N="29" Z="14" name="Si29">
      <atom unit="g/mole" value="28.9765"/>
    </isotope>
    <isotope N="30" Z="14" name="Si30">
      <atom unit="g/mole" value="29.9738"/>
    </isotope>
    <element name="Si">
      <fraction n="0.922296077703922" ref="Si28"/>
      <fraction n="0.0468319531680468" ref="Si29"/>
      <fraction n="0.0308719691280309" ref="Si30"/>
    </element>
    <material name="SiC_foam" state="solid">
      <MEE unit="eV" value="137.77733431141"/>
      <D unit="g/cm3" value="0.19"/>
      <fraction n="0.299548759813591" ref="C"/>
      <fraction n="0.700451240186409" ref="Si"/>
    </material>
    <material Z="13" name="G4_Al" state="solid">
      <MEE unit="eV" value="166"/>
      <D unit="g/cm3" value="2.699"/>
      <atom unit="g/mole" value="26.9815"/>
      <fraction n="1" ref="Al"/>
    </material>
    <material name="G4_Si" state="solid">
      <MEE unit="eV" value="173"/>
      <D unit="g/cm3" value="2.33"/>
      <fraction n="1" ref="Si"/>
    </material>
    <isotope N="63" Z="29" name="Cu63">
      <atom unit="g/mole" value="62.9296"/>
    </isotope>
    <isotope N="65" Z="29" name="Cu65">
      <atom unit="g/mole" value="64.9278"/>
    </isotope>
    <element name="Cu">
      <fraction n="0.6917" ref="Cu63"/>
      <fraction n="0.3083" ref="Cu65"/>
    </element>
    <material name="G4_Cu" state="solid">
      <MEE unit="eV" value="322"/>
      <D unit="g/cm3" value="8.96"/>
      <fraction n="1" ref="Cu"/>
    </material>
    <material Z="4" name="G4_Be" state="solid">
      <MEE unit="eV" value="63.7"/>
      <D unit="g/cm3" value="1.848"/>
      <atom unit="g/mole" value="9.01218"/>
      <fraction n="1" ref="Be"/>
    </material>
    <isotope N="46" Z="22" name="Ti46">
      <atom unit="g/mole" value="45.9526"/>
    </isotope>
    <isotope N="47" Z="22" name="Ti47">
      <atom unit="g/mole" value="46.9518"/>
    </isotope>
    <isotope N="48" Z="22" name="Ti48">
      <atom unit="g/mole" value="47.9479"/>
    </isotope>
    <isotope N="49" Z="22" name="Ti49">
      <atom unit="g/mole" value="48.9479"/>
    </isotope>
    <isotope N="50" Z="22" name="Ti50">
      <atom unit="g/mole" value="49.9448"/>
    </isotope>
    <element name="Ti">
      <fraction n="0.0825" ref="Ti46"/>
      <fraction n="0.0744" ref="Ti47"/>
      <fraction n="0.7372" ref="Ti48"/>
      <fraction n="0.0541" ref="Ti49"/>
      <fraction n="0.0518" ref="Ti50"/>
    </element>
    <material name="G4_Ti" state="solid">
      <MEE unit="eV" value="233"/>
      <D unit="g/cm3" value="4.54"/>
      <fraction n="1" ref="Ti"/>
    </material>
    <material name="styropor" state="solid">
      <MEE unit="eV" value="65.9436601819466"/>
      <D unit="g/cm3" value="0.025"/>
      <fraction n="0.922577329294378" ref="C"/>
      <fraction n="0.0774226707056217" ref="H"/>
    </material>
    <material name="GroundOrHVMix" state="solid">
      <MEE unit="eV" value="259.806022507979"/>
      <D unit="g/cm3" value="5.19"/>
      <fraction n="0.00360636223506744" ref="H"/>
      <fraction n="0.0945480597302505" ref="C"/>
      <fraction n="0.0100234489402697" ref="N"/>
      <fraction n="0.0286236705202312" ref="O"/>
      <fraction n="0.863198458574181" ref="Cu"/>
    </material>
    <isotope N="35" Z="17" name="Cl35">
      <atom unit="g/mole" value="34.9689"/>
    </isotope>
    <isotope N="37" Z="17" name="Cl37">
      <atom unit="g/mole" value="36.9659"/>
    </isotope>
    <element name="Cl">
      <fraction n="0.7578" ref="Cl35"/>
      <fraction n="0.2422" ref="Cl37"/>
    </element>
    <material name="siPCBMix" state="solid">
      <MEE unit="eV" value="262.475002085268"/>
      <D unit="g/cm3" value="5.05076923076923"/>
      <fraction n="0.014498933901919" ref="Cl"/>
      <fraction n="0.083477099995865" ref="O"/>
      <fraction n="0.0654857498400853" ref="Si"/>
      <fraction n="0.00351122019083304" ref="H"/>
      <fraction n="0.0142636698452849" ref="C"/>
      <fraction n="0.818763326226013" ref="Cu"/>
    </material>
    <isotope N="36" Z="18" name="Ar36">
      <atom unit="g/mole" value="35.9675"/>
    </isotope>
    <isotope N="38" Z="18" name="Ar38">
      <atom unit="g/mole" value="37.9627"/>
    </isotope>
    <isotope N="40" Z="18" name="Ar40">
      <atom unit="g/mole" value="39.9624"/>
    </isotope>
    <element name="Ar">
      <fraction n="0.003365" ref="Ar36"/>
      <fraction n="0.000632" ref="Ar38"/>
      <fraction n="0.996003" ref="Ar40"/>
    </element>
    <material name="G4_AIR" state="gas">
      <MEE unit="eV" value="85.7"/>
      <D unit="g/cm3" value="0.00120479"/>
      <fraction n="0.000124000124000124" ref="C"/>
      <fraction n="0.755267755267755" ref="N"/>
      <fraction n="0.231781231781232" ref="O"/>
      <fraction n="0.0128270128270128" ref="Ar"/>
    </material>
    <material name="Vacuum" state="gas">
      <D unit="g/cm3" value="0.00000000001"/>
      <fraction n="1" ref="G4_AIR"/>
    </material>
    <material name="Air" state="gas">
      <D unit="g/cm3" value="0.00120479"/>
      <fraction n="1" ref="G4_AIR"/>
    </material>
    <material name="ThinAir" state="gas">
      <D unit="g/cm3" value="0.00120479*1e-2"/>
      <fraction n="1" ref="G4_AIR"/>
    </material>
    <isotope N="180" Z="74" name="W180">
      <atom unit="g/mole" value="179.947"/>
    </isotope>
    <isotope N="182" Z="74" name="W182">
      <atom unit="g/mole" value="181.948"/>
    </isotope>
    <isotope N="183" Z="74" name="W183">
      <atom unit="g/mole" value="182.95"/>
    </isotope>
    <isotope N="184" Z="74" name="W184">
      <atom unit="g/mole" value="183.951"/>
    </isotope>
    <isotope N="186" Z="74" name="W186">
      <atom unit="g/mole" value="185.954"/>
    </isotope>
    <element name="W">
      <fraction n="0.0012" ref="W180"/>
      <fraction n="0.265" ref="W182"/>
      <fraction n="0.1431" ref="W183"/>
      <fraction n="0.3064" ref="W184"/>
      <fraction n="0.2843" ref="W186"/>
    </element>
    <material name="G4_W" state="solid">
      <MEE unit="eV" value="727"/>
      <D unit="g/cm3" value="19.3"/>
      <fraction n="1" ref="W"/>
    </material>
    <material name="g10" state="solid">
      <MEE unit="eV" value="114.378463512112"/>
      <D unit="g/cm3" value="1.7"/>
      <fraction n="0.08" ref="Cl"/>
      <fraction n="0.460597175271302" ref="O"/>
      <fraction n="0.361327255" ref="Si"/>
      <fraction n="0.0193736737588317" ref="H"/>
      <fraction n="0.078701895969866" ref="C"/>
    </material>
    <isotope N="54" Z="26" name="Fe54">
      <atom unit="g/mole" value="53.9396"/>
    </isotope>
    <isotope N="56" Z="26" name="Fe56">
      <atom unit="g/mole" value="55.9349"/>
    </isotope>
    <isotope N="57" Z="26" name="Fe57">
      <atom unit="g/mole" value="56.9354"/>
    </isotope>
    <isotope N="58" Z="26" name="Fe58">
      <atom unit="g/mole" value="57.9333"/>
    </isotope>
    <element name="Fe">
      <fraction n="0.05845" ref="Fe54"/>
      <fraction n="0.91754" ref="Fe56"/>
      <fraction n="0.02119" ref="Fe57"/>
      <fraction n="0.00282" ref="Fe58"/>
    </element>
    <isotope N="50" Z="24" name="Cr50">
      <atom unit="g/mole" value="49.946"/>
    </isotope>
    <isotope N="52" Z="24" name="Cr52">
      <atom unit="g/mole" value="51.9405"/>
    </isotope>
    <isotope N="53" Z="24" name="Cr53">
      <atom unit="g/mole" value="52.9407"/>
    </isotope>
    <isotope N="54" Z="24" name="Cr54">
      <atom unit="g/mole" value="53.9389"/>
    </isotope>
    <element name="Cr">
      <fraction n="0.04345" ref="Cr50"/>
      <fraction n="0.83789" ref="Cr52"/>
      <fraction n="0.09501" ref="Cr53"/>
      <fraction n="0.02365" ref="Cr54"/>
    </element>
    <isotope N="58" Z="28" name="Ni58">
      <atom unit="g/mole" value="57.9353"/>
    </isotope>
    <isotope N="60" Z="28" name="Ni60">
      <atom unit="g/mole" value="59.9308"/>
    </isotope>
    <isotope N="61" Z="28" name="Ni61">
      <atom unit="g/mole" value="60.9311"/>
    </isotope>
    <isotope N="62" Z="28" name="Ni62">
      <atom unit="g/mole" value="61.9283"/>
    </isotope>
    <isotope N="64" Z="28" name="Ni64">
      <atom unit="g/mole" value="63.928"/>
    </isotope>
    <element name="Ni">
      <fraction n="0.680769" ref="Ni58"/>
      <fraction n="0.262231" ref="Ni60"/>
      <fraction n="0.011399" ref="Ni61"/>
      <fraction n="0.036345" ref="Ni62"/>
      <fraction n="0.009256" ref="Ni64"/>
    </element>
    <material name="stainless_steel" state="solid">
      <MEE unit="eV" value="282.929693036223"/>
      <D unit="g/cm3" value="7.87"/>
      <fraction n="0.70611" ref="Fe"/>
      <fraction n="0.18784" ref="Cr"/>
      <fraction n="0.10605" ref="Ni"/>
    </material>
    <material name="fanele2" state="solid">
      <MEE unit="eV" value="75.3984269235952"/>
      <D unit="g/cm3" value="2.04"/>
      <fraction n="0.0814736540216391" ref="H"/>
      <fraction n="0.543350389498575" ref="C"/>
      <fraction n="0.257623229207059" ref="O"/>
      <fraction n="0.0266436363636364" ref="N"/>
      <fraction n="0.0909090909090909" ref="Cu"/>
    </material>
    <material name="fanele1" state="solid">
      <MEE unit="eV" value="83.6887639821308"/>
      <D unit="g/cm3" value="2.61666666666667"/>
      <fraction n="0.0746841828531692" ref="H"/>
      <fraction n="0.498071190373694" ref="C"/>
      <fraction n="0.236154626773137" ref="O"/>
      <fraction n="0.0244233333333333" ref="N"/>
      <fraction n="0.166666666666667" ref="Cu"/>
    </material>
    <material name="G4_POLYSTYRENE" state="solid">
      <MEE unit="eV" value="68.7"/>
      <D unit="g/cm3" value="1.06"/>
      <fraction n="0.077418" ref="H"/>
      <fraction n="0.922582" ref="C"/>
    </material>
    <isotope N="79" Z="35" name="Br79">
      <atom unit="g/mole" value="78.9183"/>
    </isotope>
    <isotope N="81" Z="35" name="Br81">
      <atom unit="g/mole" value="80.9163"/>
    </isotope>
    <element name="Br">
      <fraction n="0.5069" ref="Br79"/>
      <fraction n="0.4931" ref="Br81"/>
    </element>
    <material name="PCB" state="solid">
      <MEE unit="eV" value="88.255598548367"/>
      <D unit="g/cm3" value="1.7"/>
      <fraction n="0.180774" ref="Si"/>
      <fraction n="0.405633" ref="O"/>
      <fraction n="0.278042" ref="C"/>
      <fraction n="0.0684428" ref="H"/>
      <fraction n="0.0671091" ref="Br"/>
    </material>
    <material name="G4_Fe" state="solid">
      <MEE unit="eV" value="286"/>
      <D unit="g/cm3" value="7.874"/>
      <fraction n="1" ref="Fe"/>
    </material>
    <material name="beam" state="gas">
      <P unit="pascal" value="6.25e-06"/>
      <MEE unit="eV" value="38.5760755714278"/>
      <D unit="g/cm3" value="1.7e-14"/>
      <fraction n="0.36264" ref="H"/>
      <fraction n="0.36276" ref="N"/>
      <fraction n="0.117748421296248" ref="C"/>
      <fraction n="0.156851578703752" ref="O"/>
    </material>
    <material name="TDR_gas" state="gas">
      <MEE unit="eV" value="177.374841770826"/>
      <D unit="g/cm3" value="0.001731"/>
      <fraction n="0.95667" ref="Ar"/>
      <fraction n="0.00519198196" ref="H"/>
      <fraction n="0.02165502376" ref="C"/>
      <fraction n="0.01648299428" ref="O"/>
    </material>
    <material name="epoxy" state="solid">
      <MEE unit="eV" value="60.8292941662115"/>
      <D unit="g/cm3" value="1.167"/>
      <fraction n="0.131793699039672" ref="H"/>
      <fraction n="0.535387047414054" ref="C"/>
      <fraction n="0.332819253546274" ref="O"/>
    </material>
    <material name="G4_C" state="solid">
      <MEE unit="eV" value="81"/>
      <D unit="g/cm3" value="2"/>
      <fraction n="1" ref="C"/>
    </material>
    <isotope N="27" Z="13" name="Al27">
      <atom unit="g/mole" value="26.9815"/>
    </isotope>
    <element name="Al">
      <fraction n="1" ref="Al27"/>
    </element>

<!-- 
    <material name="TPC_endplate_mix">
      <! D value="1.7" unit="g/cm3"/    >
      <composite n="74" ref="G4_AIR"/>
      <composite n="12" ref="g10"/>
      <composite n="14" ref="G4_Al"/>
    </material>
-->
 
    <material name="TPC_endplate_mix" state="solid">
      <!--MEE unit="eV" value="97.0754229107761"/-->
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      <D unit="g/cm3" value="0.5827515446"/>
      <!--D unit="g/cm3" value="0.05827515446"/-->
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      <fraction n="0.00953598760814401" ref="C"/>
      <fraction n="0.558898138898139" ref="N"/>
      <fraction n="0.226789772550668" ref="O"/>
      <fraction n="0.00949198949198949" ref="Ar"/>
      <fraction n="0.14" ref="Al"/>
      <fraction n="0.0096" ref="Cl"/>
      <fraction n="0.0433592706" ref="Si"/>
      <fraction n="0.00232484085105981" ref="H"/>
    </material>
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    <material name="Carbon" state="solid">
      <D unit="g/cm3" value="2.0"/>
      <fraction n="1.0" ref="C"/>
    </material>
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    <material name="CarbonFiber" state="solid">
      <MEE unit="eV" value="70.7270877537631"/>
      <D unit="g/cm3" value="1.46666666666667"/>
      <fraction n="0.794091986922138" ref="C"/>
      <fraction n="0.058408571165309" ref="H"/>
      <fraction n="0.147499441912553" ref="O"/>
    </material>
    <material name="CarbonFiber_25percent">
      <D type="density" value="0.375" unit="g/cm3"/>
      <fraction n="1.0" ref="CarbonFiber"/>
    </material>
    <material name="CarbonFiber_15percent">
      <D type="density" value="0.225" unit="g/cm3"/>
      <fraction n="1.0" ref="CarbonFiber"/>
    </material>
    <material name="G4_GRAPHITE" state="solid">
      <MEE unit="eV" value="78"/>
      <D unit="g/cm3" value="2.21"/>
      <fraction n="1" ref="C"/>
    </material>
    <material name="diamond" state="solid">
      <MEE unit="eV" value="81"/>
      <D unit="g/cm3" value="3.51"/>
      <fraction n="1" ref="C"/>
    </material>
    <material Z="79" name="G4_Au" state="solid">
      <MEE unit="eV" value="790"/>
      <D unit="g/cm3" value="19.32"/>
      <atom unit="g/mole" value="196.967"/>
    </material>
    <material name="G4_POLYETHYLENE" state="solid">
      <MEE unit="eV" value="57.4"/>
      <D unit="g/cm3" value="0.94"/>
      <fraction n="0.143711" ref="H"/>
      <fraction n="0.856289" ref="C"/>
    </material>
    <isotope N="55" Z="25" name="Mn55">
      <atom unit="g/mole" value="54.938"/>
    </isotope>
    <element name="Mn">
      <fraction n="1" ref="Mn55"/>
    </element>
    <material name="Steel235" state="solid">
      <MEE unit="eV" value="285.146562707739"/>
      <D unit="g/cm3" value="7.87"/>
      <fraction n="0.9843" ref="Fe"/>
      <fraction n="0.0017" ref="C"/>
      <fraction n="0.014" ref="Mn"/>
    </material>

    <material name="TungstenDens24">
      <D value="17.8" unit="g/cm3"/>
      <fraction n="0.93" ref="W"/>
      <fraction n="0.061" ref="Ni"/>
      <fraction n="0.009" ref="Fe"/>
    </material>

    <!-- 32.65cm radiation length for TPC-->
    <material name="Kapton">
      <D value="1.243" unit="g/cm3" />
      <composite n="22" ref="C"/>
      <composite n="10" ref="H" />
      <composite n="2" ref="N" />
      <composite n="5" ref="O" />
    </material>

    <comment> materials for the SemiDigital Hadronic calorimeter</comment>
    <material name="RPCGAS2" >
    <!-- C2H2F4 (TFE) 0.93% + IsoButane 0.05% + SF6 0.02% -->
    <!--  <D value="0.00421" unit="g/cm3" /> -->
      <D value="0.00449" unit="g/cm3" />
      <fraction n="0.70828" ref="F"/>
      <fraction n="0.26054" ref="C"/>
      <fraction n="0.01928" ref="H"/>
      <fraction n="0.00439" ref="S"/>
    </material>

    <material name="FloatGlass" >
<!--      <D value="2.44" unit="g/cm3" /> -->
      <D value="2.49" unit="g/cm3" />
      <fraction n="0.46645" ref="O"/>
      <fraction n="0.34125" ref="Si"/>
      <fraction n="0.06432" ref="Ca"/>
      <fraction n="0.02412" ref="Mg"/>
      <fraction n="0.10386" ref="Na"/>
    </material>

    <material name="mylar">
      <D value="1.4" unit="g/cm3" />
      <fraction n="0.333025" ref="O"/>
      <fraction n="0.041959" ref="H"/>
      <fraction n="0.625016" ref="C"/>
    </material>

    <material name="Nylon" >
    <!-- Nylon-6-6 -->
<!--      <MEE unit="eV" value="63.9"/> -->
      <D value="1.14" unit="g/cm3" />
      <fraction n="0.097976" ref="H"/>
      <fraction n="0.636856" ref="C"/>
      <fraction n="0.123779" ref="N"/>
      <fraction n="0.141389" ref="O"/>
    </material>

    <material name="PEEK-GF30" >
      <D value="1.51" unit="g/cm3" />
      <fraction n="0.554056" ref="C"/>
      <fraction n="0.116535" ref="O"/>
      <fraction n="0.029408" ref="H"/>
      <fraction n="0.333333" ref="Si"/>
    </material>

    <material name="g10-RPC">
      <D value="1.80" unit="g/cm3" />
      <fraction n="0.07868" ref="C"/>
      <fraction n="0.46056" ref="O"/>
      <fraction n="0.02045" ref="H"/>
      <fraction n="0.46056" ref="Si"/>
      <fraction n="0.080"   ref="Cl"/>
    </material>

    <material name="g10-TPC">
      <D value="1.74" unit="g/cm3" />
      <composite n="1" ref="g10" />
    </material>

    <material name="graphite">
      <MEE unit="eV" value="78"/>
      <D value="2.21" unit="g/cm3" />
      <fraction n="1.00" ref="C"/>
    </material>

    <material name="Steel304L">
      <D type="density" value="8.00" unit="g/cm3" />
      <fraction n="0.695" ref="Fe" />
      <fraction n="0.185" ref="Cr" />
      <fraction n="0.100" ref="Ni" />
      <fraction n="0.020" ref="Mn" />
    </material>

    <!-- to model beampipe with 2mm Be + 0.7mm Cu cables (calc by DJeans) -->
    <material name="BeampipeBeCableMix">
      <D type="density" value="3.69" unit="g/cm3" />
       <fraction n="0.806" ref="Be" />
       <fraction n="0.194" ref="Cu" />
    </material>

    <material name="G4_PARAFFIN">
      <D type="density" value="0.93" unit="g/cm3" />
       <fraction n="0.148605" ref="H" />
       <fraction n="0.851395" ref="C" />
    </material>

    <material name="G4_BGO" state="solid">
      <MEE unit="eV" value="534.1"/>
      <D value="7.13" unit="g/cm3" />
      <fraction n="0.154126" ref="O"/>
      <fraction n="0.174820" ref="Ge" />
      <fraction n="0.671054" ref="Bi" />
    </material>

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    <material name="G4_GlassHCAL" state="solid">
      <!-- <MEE unit="eV" value="534.1"/> -->
      <D value="6." unit="g/cm3" />
      <fraction n="0.0270234" ref="B"/>
      <fraction n="0.00700559" ref="Ce" />
      <fraction n="0.0883374" ref="F" />
      <fraction n="0.69186" ref="Gd" />
      <fraction n="0.0181464" ref="Ge" />
      <fraction n="0.153585" ref="O" />
      <fraction n="0.0140419" ref="Si" />
    </material>

    <material name="G4_ESR" state="solid">
      <D value="0.90" unit="g/cm3" />
      <composite n="2" ref="C"/>
      <composite n="4" ref="H" />
    </material>

    <material name="G4_ECAL_electronics" state="solid">
      <D value="3.5537349300000005" unit="g/cm3" />
      <fraction n="0.1595" ref="PCB"/>
      <fraction n="0.0001" ref="G4_AIR"/>
      <fraction n="0.8404" ref="G4_Cu"/>
    </material>

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    <!-- Driftchamber: material for the drift chamber -->
   <material name="GasHe_90Isob_10">
     <D value="0.0003983999999999999" unit="g/cm3" />
     <fraction n="0.3826373431212555" ref="He"/>
     <fraction n="0.1070614182488552"   ref="H" />
     <fraction n="0.5103012386298891" ref="C" />
   </material>

   <material name="superconductor">
     <D type="density" value="6.78" unit="g/cm3" />
     <fraction n="0.56" ref="Ni" />
     <fraction n="0.44" ref="Ti" />
   </material>

   <material name="CrZrCu18150">
     <D type="density" value="8.6" unit="g/cm3" />
     <fraction n="0.01"  ref="Cr" />
     <fraction n="0.001" ref="Zr" />
     <fraction n="0.989" ref="Cu" />
   </material>

   <material name="lHe">
     <D type="density" value="0.125" unit="g/cm3" />
     <fraction n="1" ref="He" />
   </material>

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   <material name="lN2">
     <D type="density" value="0.807" unit="g/cm3" />
     <fraction n="1" ref="N" />
   </material>
    
   <material name="CH2OCN">
     <D type="density" value="1.16" unit="g/cm3" />
     <composite n="2" ref="C" />
     <composite n="2" ref="H" />
     <composite n="1" ref="O" />
     <composite n="1" ref="N" />
   </material>

   <material name="CFRP_CMS">
     <D type="density" value="1.43" unit="g/cm3" />
     <fraction n="0.71" ref="C" />
     <fraction n="0.29" ref="CH2OCN" />
   </material>

   <material name="Acrylicglue">
     <D type="density" value="1.16" unit="g/cm3" />
     <composite n="5" ref="C" />
     <composite n="2" ref="O" />
     <composite n="8" ref="H" />
   </material>

   <material name="Siliconeglue">
     <D type="density" value="1.5" unit="g/cm3" />
     <composite n="12" ref="C" />
     <composite n="10" ref="H" />
     <composite n="1"  ref="Si" />
     <composite n="1"  ref="O" />
   </material>

   <material name="Aramid">
     <D type="density" value="1.4" unit="g/cm3" />
     <composite n="20" ref="C" />
     <composite n="16" ref="H" />
     <composite n="4"  ref="N" />
     <composite n="2"  ref="O" />
   </material>

   <material name="AramidHoneycomb">
     <D type="density" value="0.03" unit="g/cm3" />
     <composite n="1" ref="Aramid" />
   </material>

   <material name="Copper80P">
     <D type="density" value="7.168" unit="g/cm3" />
     <composite n="1" ref="G4_Cu" />
   </material>

   <material name="G4_WATER">
     <MEE unit="eV" value="78"/>
     <D type="density" value="1.0" unit="g/cm3" />
     <composite n="2" ref="H" />
     <composite n="1"  ref="O" />
   </material>

   <material name="LYSO" state="solid">
      <MEE unit="eV" value="9.5"/>
      <D value="7.15" unit="g/cm3" />
      <fraction n="0.714" ref="Lu"/>
      <fraction n="0.056" ref="Y" />
      <fraction n="0.56" ref="Si" />
      <fraction n="1.428" ref="O" />
    </material>
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  </materials>