Commit in `LCDetectors/detectors` on MAIN
`sdfeb05/compact.xml`	+27	-27	1.7 -> 1.8
`sdjan03/compact.xml`	+14	-14	1.7 -> 1.8
`sidmay05/compact.xml`	+29	-29	1.12 -> 1.13
`sidmay05_20mr/compact.xml`	+29	-29	1.1 -> 1.2
`sidmay05_np/compact.xml`	+3	-3	1.6 -> 1.7
`sidmay05_scinthcal/compact.xml`	+29	-29	1.10 -> 1.11
`template/geometry/compact/compact.xml`	+6	-6	1.3 -> 1.4
	+137	-137

7 modified files

Updated compact descriptions with new element reference names.

LCDetectors/detectors/sdfeb05

compact.xml 1.7 -> 1.8

diff -u -r1.7 -r1.8
--- compact.xml	21 Jun 2005 22:06:04 -0000	1.7
+++ compact.xml	5 Jul 2005 20:19:22 -0000	1.8
@@ -35,27 +35,27 @@

       <!-- materials -->
       <material  name="Air"  >
 	<D type="density" unit="g/cm3" value="0.0012"/>

-	<fraction n="0.7803"  ref="Nitrogen_e"/>
-	<fraction n="0.2103"  ref="Oxygen_e"/>
-	<fraction n="0.0094"  ref="Argon_e"/>

+	<fraction n="0.7803"  ref="N"/>
+	<fraction n="0.2103"  ref="O"/>
+	<fraction n="0.0094"  ref="Ar"/>

       </material>
 
       <material name="Epoxy">
 	<D type="density" value="1.3" unit="g/cm3"/>

-	<composite n="44" ref="Hydrogen_e"/>
-	<composite n="15" ref="Carbon_e"/>
-	<composite n="7" ref="Oxygen_e"/>

+	<composite n="44" ref="H"/>
+	<composite n="15" ref="C"/>
+	<composite n="7" ref="O"/>

       </material>
 
       <material name="Quartz">
 	<D type="density" value="2.2" unit="g/cm3"/>

-	<composite n="1" ref="Silicon_e"/>
-	<composite n="2" ref="Oxygen_e"/>

+	<composite n="1" ref="Si"/>
+	<composite n="2" ref="O"/>

       </material>
 
       <material name="G10">
 	<D type="density" value="1.7" unit="g/cm3" />

-	<fraction n="0.08" ref="Chlorine_e" />

+	<fraction n="0.08" ref="Cl" />

 	<fraction n="0.773" ref="Quartz" />
 	<fraction n="0.147" ref="Epoxy" />
       </material>

@@ -63,32 +63,32 @@

       <!-- based on Mokka's generic polystyrene material -->
       <material name="Polystyrene">
 	<D value="1.032" unit="g/cm3" />

-	<composite n="19" ref="Carbon_e"/>
-	<composite n="21" ref="Hydrogen_e" />

+	<composite n="19" ref="C"/>
+	<composite n="21" ref="H" />

       </material>
 
       <material name="SiliconOxide">
       <D type="density" value="2.65" unit="g/cm3"/>

-	<composite n="1" ref="Silicon_e" />
-        <composite n="2" ref="Oxygen_e" />

+	<composite n="1" ref="Si" />
+        <composite n="2" ref="O" />

       </material>
       
       <material name="BoronOxide">
       <D type="density" value="2.46" unit="g/cm3"/>

-	<composite n="2" ref="Boron_e" />
-        <composite n="3" ref="Oxygen_e" />

+	<composite n="2" ref="B" />
+        <composite n="3" ref="O" />

       </material>
      
       <material name="SodiumOxide">
       <D type="density" value="2.65" unit="g/cm3"/>

-	<composite n="2" ref="Sodium_e" />
-        <composite n="1" ref="Oxygen_e" />

+	<composite n="2" ref="Na" />
+        <composite n="1" ref="O" />

       </material>
       
       <material name="AluminumOxide">
       <D type="density" value="3.89" unit="g/cm3"/>

-	<composite n="2" ref="Aluminum_e" />
-        <composite n="3" ref="Oxygen_e" />

+	<composite n="2" ref="Al" />
+        <composite n="3" ref="O" />

       </material>
                          
       <material name="PyrexGlass">

@@ -101,23 +101,23 @@

       
       <material name="CarbonFiber">
        <D type="density" value="1.5" unit="g/cm3"/>

-	<fraction n="0.65" ref="Carbon_e" />

+	<fraction n="0.65" ref="C" />

 	<fraction n="0.35" ref="Epoxy" />    
       </material>
       
       <material name="Rohacell31">
        <D type="density" value="0.032" unit="g/cm3"/>

-	<composite n="9"  ref="Carbon_e" />
-	<composite n="13" ref="Hydrogen_e" />
-	<composite n="2"  ref="Oxygen_e" />
-	<composite n="1"  ref="Nitrogen_e" />

+	<composite n="9"  ref="C" />
+	<composite n="13" ref="H" />
+	<composite n="2"  ref="O" />
+	<composite n="1"  ref="N" />

       </material> 
       
       <material name="RPCGas">
        <D type="density" value="0.0037" unit="g/cm3"/>

-	<composite n="209"  ref="Carbon_e" />
-	<composite n="239" ref="Hydrogen_e" />
-	<composite n="381"  ref="Fluorine_e" />

+	<composite n="209"  ref="C" />
+	<composite n="239" ref="H" />
+	<composite n="381"  ref="F" />

       </material> 
       
       <material name="PolystyreneFoam">

LCDetectors/detectors/sdjan03

compact.xml 1.7 -> 1.8

diff -u -r1.7 -r1.8
--- compact.xml	21 Jun 2005 22:06:04 -0000	1.7
+++ compact.xml	5 Jul 2005 20:19:22 -0000	1.8
@@ -46,48 +46,48 @@

       <!-- materials -->
       <material  name="Air"  >
 	<D type="density" unit="g/cm3" value="0.0012"/>

-	<fraction n="0.7803"  ref="Nitrogen_e"/>
-	<fraction n="0.2103"  ref="Oxygen_e"/>
-	<fraction n="0.0094"  ref="Argon_e"/>

+	<fraction n="0.7803"  ref="N"/>
+	<fraction n="0.2103"  ref="O"/>
+	<fraction n="0.0094"  ref="Ar"/>

       </material>
 
       <material name="Epoxy">
 	<D type="density" value="1.3" unit="g/cm3"/>

-	<composite n="44" ref="Hydrogen_e"/>
-	<composite n="15" ref="Carbon_e"/>
-	<composite n="7" ref="Oxygen_e"/>

+	<composite n="44" ref="H"/>
+	<composite n="15" ref="C"/>
+	<composite n="7" ref="O"/>

       </material>
 
       <material name="Quartz">
 	<D type="density" value="2.2" unit="g/cm3"/>

-	<composite n="1" ref="Silicon_e"/>
-	<composite n="2" ref="Oxygen_e"/>

+	<composite n="1" ref="Si"/>
+	<composite n="2" ref="O"/>

       </material>
 
       <material name="G10">
 	<D type="density" value="1.7" unit="g/cm3" />

-	<fraction n="0.08" ref="Chlorine_e" />

+	<fraction n="0.08" ref="Cl" />

 	<fraction n="0.773" ref="Quartz" />
 	<fraction n="0.147" ref="Epoxy" />
       </material>
 
       <material name="Iron">
 	<D type="density" value="7.87" unit="g/cm3" />

-	<composite n="1" ref="Iron_e" />

+	<composite n="1" ref="Fe" />

       </material>
 
       <!-- based on Mokka's generic polystyrene material -->
       <material name="Polystyrene">
 	<D value="1.032" unit="g/cm3" />

-	<composite n="19" ref="Carbon_e"/>
-	<composite n="21" ref="Hydrogen_e" />

+	<composite n="19" ref="C"/>
+	<composite n="21" ref="H" />

       </material>
 
       <!-- SS def taken from examples/tbeam/global_materials.inc, Steel235 -->
       <material name="Steel235">
 	<D value="7.85" unit="g/cm3" />

-	<fraction n="0.998" ref="Iron_e" />
-	<fraction n=".002" ref="Carbon_e" />

+	<fraction n="0.998" ref="Fe" />
+	<fraction n=".002" ref="C" />

       </material>
 
   </materials>

LCDetectors/detectors/sidmay05

compact.xml 1.12 -> 1.13

diff -u -r1.12 -r1.13
--- compact.xml	21 Jun 2005 22:06:04 -0000	1.12
+++ compact.xml	5 Jul 2005 20:19:23 -0000	1.13
@@ -39,65 +39,65 @@

       <!-- materials -->
       <material  name="Air"  >
 	<D type="density" unit="g/cm3" value="0.0012"/>

-	<fraction n="0.7803"  ref="Nitrogen_e"/>
-	<fraction n="0.2103"  ref="Oxygen_e"/>
-	<fraction n="0.0094"  ref="Argon_e"/>

+	<fraction n="0.7803"  ref="N"/>
+	<fraction n="0.2103"  ref="O"/>
+	<fraction n="0.0094"  ref="Ar"/>

       </material>
 
       <material name="Epoxy">
 	<D type="density" value="1.3" unit="g/cm3"/>

-	<composite n="44" ref="Hydrogen_e"/>
-	<composite n="15" ref="Carbon_e"/>
-	<composite n="7" ref="Oxygen_e"/>

+	<composite n="44" ref="H"/>
+	<composite n="15" ref="C"/>
+	<composite n="7" ref="O"/>

       </material>
 
       <material name="Quartz">
 	<D type="density" value="2.2" unit="g/cm3"/>

-	<composite n="1" ref="Silicon_e"/>
-	<composite n="2" ref="Oxygen_e"/>

+	<composite n="1" ref="Si"/>
+	<composite n="2" ref="O"/>

       </material>
 
       <material name="G10">
 	<D type="density" value="1.7" unit="g/cm3" />

-	<fraction n="0.08" ref="Chlorine_e" />

+	<fraction n="0.08" ref="Cl" />

 	<fraction n="0.773" ref="Quartz" />
 	<fraction n="0.147" ref="Epoxy" />
       </material>
 
       <material name="Polystyrene">
 	<D value="1.032" unit="g/cm3" />

-	<composite n="19" ref="Carbon_e"/>
-	<composite n="21" ref="Hydrogen_e" />

+	<composite n="19" ref="C"/>
+	<composite n="21" ref="H" />

       </material>
 
      <material name="Steel235">
 	<D value="7.85" unit="g/cm3" />

-	<fraction n="0.998" ref="Iron_e" />
-	<fraction n=".002" ref="Carbon_e" />

+	<fraction n="0.998" ref="Fe" />
+	<fraction n=".002" ref="C" />

       </material>
      
       <material name="SiliconOxide">
       <D type="density" value="2.65" unit="g/cm3"/>

-	<composite n="1" ref="Silicon_e" />
-        <composite n="2" ref="Oxygen_e" />

+	<composite n="1" ref="Si" />
+        <composite n="2" ref="O" />

       </material>
       
       <material name="BoronOxide">
       <D type="density" value="2.46" unit="g/cm3"/>

-	<composite n="2" ref="Boron_e" />
-        <composite n="3" ref="Oxygen_e" />

+	<composite n="2" ref="B" />
+        <composite n="3" ref="O" />

       </material>
      
       <material name="SodiumOxide">
       <D type="density" value="2.65" unit="g/cm3"/>

-	<composite n="2" ref="Sodium_e" />
-        <composite n="1" ref="Oxygen_e" />

+	<composite n="2" ref="Na" />
+        <composite n="1" ref="O" />

       </material>
       
       <material name="AluminumOxide">
       <D type="density" value="3.89" unit="g/cm3"/>

-	<composite n="2" ref="Aluminum_e" />
-        <composite n="3" ref="Oxygen_e" />

+	<composite n="2" ref="Al" />
+        <composite n="3" ref="O" />

       </material>
                          
       <material name="PyrexGlass">

@@ -110,23 +110,23 @@

       
       <material name="CarbonFiber">
        <D type="density" value="1.5" unit="g/cm3"/>

-	<fraction n="0.65" ref="Carbon_e" />

+	<fraction n="0.65" ref="C" />

 	<fraction n="0.35" ref="Epoxy" />    
       </material>
       
       <material name="Rohacell31">
        <D type="density" value="0.032" unit="g/cm3"/>

-	<composite n="9"  ref="Carbon_e" />
-	<composite n="13" ref="Hydrogen_e" />
-	<composite n="2"  ref="Oxygen_e" />
-	<composite n="1"  ref="Nitrogen_e" />

+	<composite n="9"  ref="C" />
+	<composite n="13" ref="H" />
+	<composite n="2"  ref="O" />
+	<composite n="1"  ref="N" />

       </material> 
       
       <material name="RPCGas">
        <D type="density" value="0.0037" unit="g/cm3"/>

-	<composite n="209"  ref="Carbon_e" />
-	<composite n="239" ref="Hydrogen_e" />
-	<composite n="381"  ref="Fluorine_e" />

+	<composite n="209"  ref="C" />
+	<composite n="239" ref="H" />
+	<composite n="381"  ref="F" />

       </material> 
       
       <material name="PolystyreneFoam">

LCDetectors/detectors/sidmay05_20mr

compact.xml 1.1 -> 1.2

diff -u -r1.1 -r1.2
--- compact.xml	30 Jun 2005 18:55:17 -0000	1.1
+++ compact.xml	5 Jul 2005 20:19:23 -0000	1.2
@@ -39,65 +39,65 @@

       <!-- materials -->
       <material  name="Air"  >
 	<D type="density" unit="g/cm3" value="0.0012"/>

-	<fraction n="0.7803"  ref="Nitrogen_e"/>
-	<fraction n="0.2103"  ref="Oxygen_e"/>
-	<fraction n="0.0094"  ref="Argon_e"/>

+	<fraction n="0.7803"  ref="N"/>
+	<fraction n="0.2103"  ref="O"/>
+	<fraction n="0.0094"  ref="Ar"/>

       </material>
 
       <material name="Epoxy">
 	<D type="density" value="1.3" unit="g/cm3"/>

-	<composite n="44" ref="Hydrogen_e"/>
-	<composite n="15" ref="Carbon_e"/>
-	<composite n="7" ref="Oxygen_e"/>

+	<composite n="44" ref="H"/>
+	<composite n="15" ref="C"/>
+	<composite n="7" ref="O"/>

       </material>
 
       <material name="Quartz">
 	<D type="density" value="2.2" unit="g/cm3"/>

-	<composite n="1" ref="Silicon_e"/>
-	<composite n="2" ref="Oxygen_e"/>

+	<composite n="1" ref="Si"/>
+	<composite n="2" ref="O"/>

       </material>
 
       <material name="G10">
 	<D type="density" value="1.7" unit="g/cm3" />

-	<fraction n="0.08" ref="Chlorine_e" />

+	<fraction n="0.08" ref="Cl" />

 	<fraction n="0.773" ref="Quartz" />
 	<fraction n="0.147" ref="Epoxy" />
       </material>
 
       <material name="Polystyrene">
 	<D value="1.032" unit="g/cm3" />

-	<composite n="19" ref="Carbon_e"/>
-	<composite n="21" ref="Hydrogen_e" />

+	<composite n="19" ref="C"/>
+	<composite n="21" ref="H" />

       </material>
 
      <material name="Steel235">
 	<D value="7.85" unit="g/cm3" />

-	<fraction n="0.998" ref="Iron_e" />
-	<fraction n=".002" ref="Carbon_e" />

+	<fraction n="0.998" ref="Fe" />
+	<fraction n=".002" ref="C" />

       </material>
      
       <material name="SiliconOxide">
       <D type="density" value="2.65" unit="g/cm3"/>

-	<composite n="1" ref="Silicon_e" />
-        <composite n="2" ref="Oxygen_e" />

+	<composite n="1" ref="Si" />
+        <composite n="2" ref="O" />

       </material>
       
       <material name="BoronOxide">
       <D type="density" value="2.46" unit="g/cm3"/>

-	<composite n="2" ref="Boron_e" />
-        <composite n="3" ref="Oxygen_e" />

+	<composite n="2" ref="B" />
+        <composite n="3" ref="O" />

       </material>
      
       <material name="SodiumOxide">
       <D type="density" value="2.65" unit="g/cm3"/>

-	<composite n="2" ref="Sodium_e" />
-        <composite n="1" ref="Oxygen_e" />

+	<composite n="2" ref="Na" />
+        <composite n="1" ref="O" />

       </material>
       
       <material name="AluminumOxide">
       <D type="density" value="3.89" unit="g/cm3"/>

-	<composite n="2" ref="Aluminum_e" />
-        <composite n="3" ref="Oxygen_e" />

+	<composite n="2" ref="Al" />
+        <composite n="3" ref="O" />

       </material>
                          
       <material name="PyrexGlass">

@@ -110,23 +110,23 @@

       
       <material name="CarbonFiber">
        <D type="density" value="1.5" unit="g/cm3"/>

-	<fraction n="0.65" ref="Carbon_e" />

+	<fraction n="0.65" ref="C" />

 	<fraction n="0.35" ref="Epoxy" />    
       </material>
       
       <material name="Rohacell31">
        <D type="density" value="0.032" unit="g/cm3"/>

-	<composite n="9"  ref="Carbon_e" />
-	<composite n="13" ref="Hydrogen_e" />
-	<composite n="2"  ref="Oxygen_e" />
-	<composite n="1"  ref="Nitrogen_e" />

+	<composite n="9"  ref="C" />
+	<composite n="13" ref="H" />
+	<composite n="2"  ref="O" />
+	<composite n="1"  ref="N" />

       </material> 
       
       <material name="RPCGas">
        <D type="density" value="0.0045" unit="g/cm3"/>

-	<composite n="209"  ref="Carbon_e" />
-	<composite n="239" ref="Hydrogen_e" />
-	<composite n="381"  ref="Fluorine_e" />

+	<composite n="209"  ref="C" />
+	<composite n="239" ref="H" />
+	<composite n="381"  ref="F" />

       </material> 
       
       <material name="PolystyreneFoam">

LCDetectors/detectors/sidmay05_np

compact.xml 1.6 -> 1.7

diff -u -r1.6 -r1.7
--- compact.xml	22 Jun 2005 20:11:59 -0000	1.6
+++ compact.xml	5 Jul 2005 20:19:24 -0000	1.7
@@ -37,9 +37,9 @@

   <materials>
       <material name="RPCGas">
        <D type="density" value="0.0037" unit="g/cm3"/>

-	<composite n="209"  ref="Carbon_e" />
-	<composite n="239" ref="Hydrogen_e" />
-	<composite n="381"  ref="Fluorine_e" />

+	<composite n="209"  ref="C" />
+	<composite n="239" ref="H" />
+	<composite n="381"  ref="F" />

       </material>
   </materials>

LCDetectors/detectors/sidmay05_scinthcal

compact.xml 1.10 -> 1.11

diff -u -r1.10 -r1.11
--- compact.xml	21 Jun 2005 22:06:05 -0000	1.10
+++ compact.xml	5 Jul 2005 20:19:24 -0000	1.11
@@ -33,65 +33,65 @@

       <!-- materials -->
       <material  name="Air"  >
 	<D type="density" unit="g/cm3" value="0.0012"/>

-	<fraction n="0.7803"  ref="Nitrogen_e"/>
-	<fraction n="0.2103"  ref="Oxygen_e"/>
-	<fraction n="0.0094"  ref="Argon_e"/>

+	<fraction n="0.7803"  ref="N"/>
+	<fraction n="0.2103"  ref="O"/>
+	<fraction n="0.0094"  ref="Ar"/>

       </material>
 
       <material name="Epoxy">
 	<D type="density" value="1.3" unit="g/cm3"/>

-	<composite n="44" ref="Hydrogen_e"/>
-	<composite n="15" ref="Carbon_e"/>
-	<composite n="7" ref="Oxygen_e"/>

+	<composite n="44" ref="H"/>
+	<composite n="15" ref="C"/>
+	<composite n="7" ref="O"/>

       </material>
 
       <material name="Quartz">
 	<D type="density" value="2.2" unit="g/cm3"/>

-	<composite n="1" ref="Silicon_e"/>
-	<composite n="2" ref="Oxygen_e"/>

+	<composite n="1" ref="Si"/>
+	<composite n="2" ref="O"/>

       </material>
 
       <material name="G10">
 	<D type="density" value="1.7" unit="g/cm3" />

-	<fraction n="0.08" ref="Chlorine_e" />

+	<fraction n="0.08" ref="Cl" />

 	<fraction n="0.773" ref="Quartz" />
 	<fraction n="0.147" ref="Epoxy" />
       </material>
 
       <material name="Polystyrene">
 	<D value="1.032" unit="g/cm3" />

-	<composite n="19" ref="Carbon_e"/>
-	<composite n="21" ref="Hydrogen_e" />

+	<composite n="19" ref="C"/>
+	<composite n="21" ref="H" />

       </material>
 
      <material name="Steel235">
 	<D value="7.85" unit="g/cm3" />

-	<fraction n="0.998" ref="Iron_e" />
-	<fraction n=".002" ref="Carbon_e" />

+	<fraction n="0.998" ref="Fe" />
+	<fraction n=".002" ref="C" />

       </material>
      
       <material name="SiliconOxide">
       <D type="density" value="2.65" unit="g/cm3"/>

-	<composite n="1" ref="Silicon_e" />
-        <composite n="2" ref="Oxygen_e" />

+	<composite n="1" ref="Si" />
+        <composite n="2" ref="O" />

       </material>
       
       <material name="BoronOxide">
       <D type="density" value="2.46" unit="g/cm3"/>

-	<composite n="2" ref="Boron_e" />
-        <composite n="3" ref="Oxygen_e" />

+	<composite n="2" ref="B" />
+        <composite n="3" ref="O" />

       </material>
      
       <material name="SodiumOxide">
       <D type="density" value="2.65" unit="g/cm3"/>

-	<composite n="2" ref="Sodium_e" />
-        <composite n="1" ref="Oxygen_e" />

+	<composite n="2" ref="Na" />
+        <composite n="1" ref="O" />

       </material>
       
       <material name="AluminumOxide">
       <D type="density" value="3.89" unit="g/cm3"/>

-	<composite n="2" ref="Aluminum_e" />
-        <composite n="3" ref="Oxygen_e" />

+	<composite n="2" ref="Al" />
+        <composite n="3" ref="O" />

       </material>
                          
       <material name="PyrexGlass">

@@ -104,23 +104,23 @@

       
       <material name="CarbonFiber">
        <D type="density" value="1.5" unit="g/cm3"/>

-	<fraction n="0.65" ref="Carbon_e" />

+	<fraction n="0.65" ref="C" />

 	<fraction n="0.35" ref="Epoxy" />    
       </material>
       
       <material name="Rohacell31">
        <D type="density" value="0.032" unit="g/cm3"/>

-	<composite n="9"  ref="Carbon_e" />
-	<composite n="13" ref="Hydrogen_e" />
-	<composite n="2"  ref="Oxygen_e" />
-	<composite n="1"  ref="Nitrogen_e" />

+	<composite n="9"  ref="C" />
+	<composite n="13" ref="H" />
+	<composite n="2"  ref="O" />
+	<composite n="1"  ref="N" />

       </material> 
       
       <material name="RPCGas">
        <D type="density" value="0.0037" unit="g/cm3"/>

-	<composite n="209"  ref="Carbon_e" />
-	<composite n="239" ref="Hydrogen_e" />
-	<composite n="381"  ref="Fluorine_e" />

+	<composite n="209"  ref="C" />
+	<composite n="239" ref="H" />
+	<composite n="381"  ref="F" />

       </material> 
       
       <material name="PolystyreneFoam">

LCDetectors/detectors/template/geometry/compact

compact.xml 1.3 -> 1.4

diff -u -r1.3 -r1.4
--- compact.xml	30 Mar 2005 23:49:16 -0000	1.3
+++ compact.xml	5 Jul 2005 20:19:25 -0000	1.4
@@ -38,24 +38,24 @@

   <materials>
 
       <!-- elements -->

-      <element name="Argon_e" Z="18.0" N="40" >

+      <element name="Ar" Z="18.0" N="40" >

 	<atom type="A" unit="g/mol" value="39.9480" />
       </element>

-      <element  name="Nitrogen_e"  Z="7.0"  N="14" >

+      <element  name="N"  Z="7.0"  N="14" >

 	<atom type="A" unit="g/mol" value=" 14.0100" />
       </element>

-      <element  name="Oxygen_e"  Z="8.0"  N="16" >

+      <element  name="O"  Z="8.0"  N="16" >

 	<atom type="A" unit="g/mol" value=" 16.0000" />
       </element>
 
       <!-- materials -->
       <material  name="Air"  >
 	<D type="density" unit="g/cm3" value="0.0012"/>

-	<fraction n="0.7803"  ref="Nitrogen_e"/>
-	<fraction n="0.2103"  ref="Oxygen_e"/>
-	<fraction n="0.0094"  ref="Argon_e"/>

+	<fraction n="0.7803"  ref="N"/>
+	<fraction n="0.2103"  ref="O"/>
+	<fraction n="0.0094"  ref="Ar"/>

       </material>
       
   </materials>

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