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Commit 4a1e0237 authored by Matt Posik's avatar Matt Posik Committed by Whitney Armstrong
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gem_tracker material Update

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compact/gem_tracker_endcap.xml
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...@@ -20,12 +20,22 @@ ...@@ -20,12 +20,22 @@
<constant name="GEMTrackerEndcapFoilX2" value="2*GEMTrackerEndcapFoilY*tan(GEMTrackerEndcapFoilOpeningAngle/2.0) + GEMTrackerEndcapFoilX1"/> <constant name="GEMTrackerEndcapFoilX2" value="2*GEMTrackerEndcapFoilY*tan(GEMTrackerEndcapFoilOpeningAngle/2.0) + GEMTrackerEndcapFoilX1"/>
<constant name="GEMTrackerEndcapFoil_rmax" value="(GEMTrackerEndcapFoilY+GEMTrackerEndcapFoil_rmin)/(cos(GEMTrackerEndcapFoilOpeningAngle/2.0))"/> <constant name="GEMTrackerEndcapFoil_rmax" value="(GEMTrackerEndcapFoilY+GEMTrackerEndcapFoil_rmin)/(cos(GEMTrackerEndcapFoilOpeningAngle/2.0))"/>
<comment>
Needs implimentation:
Carbon fiber support ring and spokes
Initial preliminary details can be found here: https://www.dropbox.com/s/grt9p8feqlsh52f/GEM-RD-GEMWheel.pdf?dl=0
This design is still very much preliminary
// Frame parameters accoring to Kondo's sbsCrossSection.pdf file), // Frame parameters accoring to Kondo's sbsCrossSection.pdf file),
<constant name="GEMTrackerEndcapFrame_thickness" value="18.0 * mm"/> //frame thickness is from 1*3mm (drift gap) + 5*2mm frames
</comment>
<constant name="GEMTrackerEndcapFrame_thickness" value="13.0 * mm"/>
<constant name="GEMTrackerEndcapFrameBotEdge_width" value="10.0 * mm"/> <constant name="GEMTrackerEndcapFrameBotEdge_width" value="10.0 * mm"/>
<constant name="GEMTrackerEndcapFrameTopEdge_width" value="10.0 * mm"/> <constant name="GEMTrackerEndcapFrameTopEdge_width" value="15.0 * mm"/>
<constant name="GEMTrackerEndcapFrameSideEdge_width" value=" 8.0 * mm"/> <constant name="GEMTrackerEndcapFrameSideEdge_width" value=" 8.0 * mm"/>
<comment> Account for the fact that GEMs have holes, so they are not solid volumes </comment>
<constant name="GEMAreaFactor" value="0.80" />
<comment> <comment>
From https://github.com/eic/EicToyModel/blob/master/source/eicroot/GemGeoParData.cxx From https://github.com/eic/EicToyModel/blob/master/source/eicroot/GemGeoParData.cxx
...@@ -90,25 +100,24 @@ ...@@ -90,25 +100,24 @@
</trd> </trd>
</frame> </frame>
<comment> Going from HV side to readout side</comment> <comment> Going from HV side to readout side</comment>
<module_component thickness="0.127 * mm" material="Mylar"/> <module_component thickness="25.0*um" material="Mylar" name="entrance_window"/>
<module_component thickness="50.0*um" material="Kapton" name="entrance_window"/> <module_component thickness=" 2.0*mm" material="Ar10CO2" name="entrance_region" />
<module_component thickness=" 3.0*mm" material="Ar10CO2" name="entrance region" /> <module_component thickness="50.0*um" material="Kapton" name="cathode_foil"/>
<module_component thickness="50.0*um" material="Kapton"/> <module_component thickness=" 5.0*um" material="Copper" name="cathode_cu"/>
<module_component thickness=" 3.0*um" material="Copper"/> <module_component thickness=" 3.0*mm" material="Ar10CO2" sensitive="true" name="drift_region" vis="AnlProcess_Blue"/>
<module_component thickness=" 3.0*mm" material="Ar10CO2" name="drift region"/> <module_component thickness="GEMAreaFactor*50.0*um" material="Kapton" name="gem_foil_1"/>
<module_component thickness="30.0*um" material="Kapton" name="gem_foil"/> <module_component thickness="GEMAreaFactor*10.0*um" material="Copper" name="gem_foil_1_cu"/>
<module_component thickness=" 3.0*um" material="Copper" name="gem_foil_Cu"/> <module_component thickness=" 2.0*mm" material="Ar10CO2" name="transfer_region_I"/>
<module_component thickness=" 2.0*mm" material="Ar10CO2" name="transfer region I"/> <module_component thickness="GEMAreaFactor*50.0*um" material="Kapton" name="gem_foil_2"/>
<module_component thickness="30.0*um" material="Kapton" name="gem_foil"/> <module_component thickness="GEMAreaFactor*10.0*um" material="Copper" name="gem_foil_2_cu"/>
<module_component thickness=" 3.0*um" material="Copper" name="gem_foil_Cu"/> <module_component thickness=" 2.0*mm" material="Ar10CO2" name="transfer_region_II"/>
<module_component thickness=" 2.0*mm" material="Ar10CO2" name="transfer region II"/> <module_component thickness="GEMAreaFactor*50.0*um" material="Kapton" name="gem_foil_3"/>
<module_component thickness="30.0*um" material="Kapton" name="gem_foil"/> <module_component thickness="GEMAreaFactor*10.0*um" material="Copper" name="gem_foil_3_cu"/>
<module_component thickness=" 3.0*um" material="Copper" name="gem_foil_Cu"/> <module_component thickness=" 2.0*mm" material="Ar10CO2" name="induction_region"/>
<module_component thickness=" 2.0*mm" material="Ar10CO2" name="induction region"/> <module_component thickness="50.0*um" material="Kapton" name="readout_foil"/>
<module_component thickness="30.0*um" material="Kapton" name="readout" sensitive="true"/> <module_component thickness=" 5.0*um" material="Copper" name="readout_cu"/>
<module_component thickness=" 3.0*um" material="Copper" name="readout_Cu"/> <module_component thickness=" 2.0*mm" material="Ar10CO2" name="exit_region"/>
<module_component thickness="127.0*um" material="Mylar"/> <module_component thickness="25.0*um" material="Mylar" name="exit_window"/>
<module_component thickness="200.0*um" material="Epoxy" sensitive="true" vis="AnlProcess_Blue"/>
</module> </module>
<module name="GEMSupportModule1" vis="AnlProcess_Blue"> <module name="GEMSupportModule1" vis="AnlProcess_Blue">
<trd x1="GEMTrackerEndcapFoilX1/2.0" x2="GEMTrackerEndcapFoilX2/2.0" z="GEMTrackerEndcapFoilY/2"/> <trd x1="GEMTrackerEndcapFoilX1/2.0" x2="GEMTrackerEndcapFoilX2/2.0" z="GEMTrackerEndcapFoilY/2"/>
...@@ -154,44 +163,62 @@ ...@@ -154,44 +163,62 @@
reflect="true"> reflect="true">
<module name="GEMModule1" vis="AnlProcess_Blue"> <module name="GEMModule1" vis="AnlProcess_Blue">
<trd x1="GEMTrackerEndcapFoilX1/2.0" x2="GEMTrackerEndcapFoilX2/2.0" z="GEMTrackerEndcapFoilY/2"/> <trd x1="GEMTrackerEndcapFoilX1/2.0" x2="GEMTrackerEndcapFoilX2/2.0" z="GEMTrackerEndcapFoilY/2"/>
<frame material="G10" thickness="GEMTrackerEndcapFrame_thickness" vis="TrackerSupportVis">
<position x="0" y="0" z="0" />
<trd x1="GEMTrackerEndcapFoilX1/2.0 - GEMTrackerEndcapFrameSideEdge_width/cos(GEMTrackerEndcapFoilOpeningAngle)
+ GEMTrackerEndcapFrameBotEdge_width*tan(GEMTrackerEndcapFoilOpeningAngle)"
x2="GEMTrackerEndcapFoilX2/2.0 - GEMTrackerEndcapFrameSideEdge_width/cos(GEMTrackerEndcapFoilOpeningAngle)
- GEMTrackerEndcapFrameTopEdge_width*tan(GEMTrackerEndcapFoilOpeningAngle)"
z="GEMTrackerEndcapFoilY/2 - (GEMTrackerEndcapFrameBotEdge_width +GEMTrackerEndcapFrameTopEdge_width)/2.0 ">
<position x="0" y="0" z="0" />
</trd>
</frame>
<comment> Going from HV side to readout side</comment> <comment> Going from HV side to readout side</comment>
<module_component thickness="0.127 * mm" material="Mylar"/> <module_component thickness="25.0*um" material="Mylar" name="entrance_window"/>
<module_component thickness="50.0*um" material="Kapton" name="entrance_window"/> <module_component thickness=" 2.0*mm" material="Ar10CO2" name="entrance_region" />
<module_component thickness=" 3.0*mm" material="Ar10CO2" name="entrance region" /> <module_component thickness="50.0*um" material="Kapton" name="cathode_foil"/>
<module_component thickness="50.0*um" material="Kapton"/> <module_component thickness=" 5.0*um" material="Copper" name="cathode_cu"/>
<module_component thickness=" 3.0*um" material="Copper"/> <module_component thickness=" 3.0*mm" material="Ar10CO2" sensitive="true" name="drift_region" vis="AnlProcess_Blue"/>
<module_component thickness=" 3.0*mm" material="Ar10CO2" name="drift region"/> <module_component thickness="GEMAreaFactor*50.0*um" material="Kapton" name="gem_foil_1"/>
<module_component thickness="30.0*um" material="Kapton" name="gem_foil"/> <module_component thickness="GEMAreaFactor*10.0*um" material="Copper" name="gem_foil_1_cu"/>
<module_component thickness=" 3.0*um" material="Copper" name="gem_foil_Cu"/> <module_component thickness=" 2.0*mm" material="Ar10CO2" name="transfer_region_I"/>
<module_component thickness=" 2.0*mm" material="Ar10CO2" name="transfer region I"/> <module_component thickness="GEMAreaFactor*50.0*um" material="Kapton" name="gem_foil_2"/>
<module_component thickness="30.0*um" material="Kapton" name="gem_foil"/> <module_component thickness="GEMAreaFactor*10.0*um" material="Copper" name="gem_foil_2_cu"/>
<module_component thickness=" 3.0*um" material="Copper" name="gem_foil_Cu"/> <module_component thickness=" 2.0*mm" material="Ar10CO2" name="transfer_region_II"/>
<module_component thickness=" 2.0*mm" material="Ar10CO2" name="transfer region II"/> <module_component thickness="GEMAreaFactor*50.0*um" material="Kapton" name="gem_foil_3"/>
<module_component thickness="30.0*um" material="Kapton" name="gem_foil"/> <module_component thickness="GEMAreaFactor*10.0*um" material="Copper" name="gem_foil_3_cu"/>
<module_component thickness=" 3.0*um" material="Copper" name="gem_foil_Cu"/> <module_component thickness=" 2.0*mm" material="Ar10CO2" name="induction_region"/>
<module_component thickness=" 2.0*mm" material="Ar10CO2" name="induction region"/> <module_component thickness="50.0*um" material="Kapton" name="readout_foil"/>
<module_component thickness="30.0*um" material="Kapton" name="readout" sensitive="true"/> <module_component thickness=" 5.0*um" material="Copper" name="readout_cu"/>
<module_component thickness=" 3.0*um" material="Copper" name="readout_Cu"/> <module_component thickness=" 2.0*mm" material="Ar10CO2" name="exit_region"/>
<module_component thickness="127.0*um" material="Mylar"/> <module_component thickness="25.0*um" material="Mylar" name="exit_window"/>
<module_component thickness="200.0*um" material="Epoxy" sensitive="true" vis="AnlProcess_Blue"/>
</module> </module>
<module name="GEMSupportModule1" vis="AnlProcess_Blue"> <module name="GEMSupportModule1" vis="AnlProcess_Blue">
<trd x1="GEMTrackerEndcapFoilX2/2.0" x2="GEMTrackerEndcapFoilX1/2.0" z="GEMTrackerEndcapFrameBotEdge_width"/> <trd x1="GEMTrackerEndcapFoilX1/2.0" x2="GEMTrackerEndcapFoilX2/2.0" z="GEMTrackerEndcapFoilY/2"/>
<module_component thickness="GEMTrackerEndcapFrame_thickness" material="Mylar"/> <frame material="G10" thickness="GEMTrackerEndcapFrame_thickness" vis="TrackerSupportVis">
<position x="0" y="0" z="0" />
<trd x1="GEMTrackerEndcapFoilX1/2.0 - GEMTrackerEndcapFrameSideEdge_width/cos(GEMTrackerEndcapFoilOpeningAngle)
+ GEMTrackerEndcapFrameBotEdge_width*tan(GEMTrackerEndcapFoilOpeningAngle)"
x2="GEMTrackerEndcapFoilX2/2.0 - GEMTrackerEndcapFrameSideEdge_width/cos(GEMTrackerEndcapFoilOpeningAngle)
- GEMTrackerEndcapFrameTopEdge_width*tan(GEMTrackerEndcapFoilOpeningAngle)"
z="GEMTrackerEndcapFoilY/2 - (GEMTrackerEndcapFrameBotEdge_width +GEMTrackerEndcapFrameTopEdge_width)/2.0 ">
<position x="0" y="0" z="0" />
</trd>
</frame>
</module> </module>
<module name="GEMSupportModule2" vis="AnlProcess_Blue"> <module name="GEMSupportModule2" vis="AnlProcess_Blue">
<trd x1="GEMTrackerEndcapFrameSideEdge_width" x2="GEMTrackerEndcapFrameSideEdge_width" z="GEMTrackerEndcapFoilY/2"/> <trd x1="GEMTrackerEndcapFrameSideEdge_width" x2="GEMTrackerEndcapFrameSideEdge_width" z="GEMTrackerEndcapFoilY/2"/>
<module_component thickness="4.0*mm" material="Mylar"/> <module_component thickness="1.0*mm" material="Mylar"/>
</module> </module>
<layer id="1" > <layer id="1" >
<ring vis="AnlRed" <ring vis="AnlRed" module="GEMModule1"
r="GEMTrackerEndcapFoil_rmin+GEMTrackerEndcapFoilY/2.0" r="GEMTrackerEndcapFoil_rmin+GEMTrackerEndcapFoilY/2.0"
zstart="GEMTrackerEndcap_zmin + 0.5*GEMTrackerEndcapLayer_thickness" zstart="GEMTrackerEndcap_zmin + 0.5*GEMTrackerEndcapLayer_thickness"
nmodules="12" dz="10 * mm" module="GEMModule1" /> nmodules="12" dz="10 * mm" />
<ring vis="AnlBlue" phi0="15.0*degree" <ring vis="AnlBlue" phi0="15.0*degree" module="GEMSupportModule2"
r="GEMTrackerEndcapFoil_rmin+GEMTrackerEndcapFoilY/2.0" r="GEMTrackerEndcapFoil_rmin+GEMTrackerEndcapFoilY/2.0"
zstart="GEMTrackerEndcap_zmin + 0.5*GEMTrackerEndcapLayer_thickness" zstart="GEMTrackerEndcap_zmin + 0.5*GEMTrackerEndcapLayer_thickness"
nmodules="12" dz="0 * mm" module="GEMSupportModule2" /> nmodules="12" dz="0 * mm" />
</layer> </layer>
</detector> </detector>
......
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