<lccdd>
<comment> Endcap Tracker </comment>
<define>
<constant name="GEMTrackerEndcap_zmin" value="BarrelTracking_length/2.0"/>
<constant name="GEMTrackerEndcap_NLayers" value="5"/>
<constant name="GEMTrackerEndcapLayer_thickness" value="ForwardTrackingGEMLength/GEMTrackerEndcap_NLayers"/>
<constant name="GEMTrackerEndcapFoilX1" value="43.0 * mm"/>
<constant name="GEMTrackerEndcapFoilY" value="1020.0 * mm"/>
<constant name="GEMTrackerEndcapFoilOpeningAngle" value="30.1*degree"/>
<constant name="GEMTrackerEndcapFoilX2" value="2*GEMTrackerEndcapFoilY*tan(GEMTrackerEndcapFoilOpeningAngle/2.0) + GEMTrackerEndcapFoilX1"/>
<constant name="GEMTrackerEndcapFoil_rmin" value="GEMTrackerEndcapFoilX1/(tan(GEMTrackerEndcapFoilOpeningAngle/2.0)*2.0)"/>
<constant name="GEMTrackerEndcapFoil_rmax" value="(GEMTrackerEndcapFoilY+GEMTrackerEndcapFoil_rmin)/(cos(GEMTrackerEndcapFoilOpeningAngle/2.0))"/>
// Frame parameters accoring to Kondo's sbsCrossSection.pdf file),
<constant name="GEMTrackerEndcapFrame_thickness" value="18.0 * mm"/>
<constant name="GEMTrackerEndcapFrameBotEdge_width" value="30.0 * mm"/>
<constant name="GEMTrackerEndcapFrameTopEdge_width" value="30.0 * mm"/>
<constant name="GEMTrackerEndcapFrameSideEdge_width" value=" 8.0 * mm"/>
<comment>
From https://github.com/eic/EicToyModel/blob/master/source/eicroot/GemGeoParData.cxx
// FIXME: put aluminum layer later as well),
mEntranceWindowMaterial ( "GemKapton"),
mEntranceWindowThickness ( 50.0 * etm::um),
// Use evaristo.pdf p.10 for the foil parameters:
// - drift foil : 50um kapton + 3um copper)
// - GEM foil : 30um kapton + 3um copper (80% area fraction))
// - readout foils : 30um kapton + 3um copper total)
mDriftFoilKaptonThickness ( 50.0 * etm::um),
mDriftFoilCopperThickness ( 3.0 * etm::um),
mGemFoilAreaFraction ( 0.80),
mGemFoilKaptonThickness ( 30.0 * etm::um),
mGemFoilCopperThickness ( 3.0 * etm::um),
mReadoutG10Thickness ( 0.0 * etm::mm),
mReadoutKaptonThickness ( 30.0 * etm::um),
mReadoutCopperThickness ( 3.0 * etm::um),
// 3mm thick Nomex honeycomb for SBS GEMs),
mReadoutSupportMaterial ( "GemNomex"),
mReadoutSupportThickness ( 3.0 * etm::mm),
mEntranceRegionLength ( 3.0 * etm::mm),
mDriftRegionLength ( 3.0 * etm::mm),
// Assume triple GEM layout),
mFirstTransferRegionLength ( 2.0 * etm::mm),
mSecondTransferRegionLength ( 2.0 * etm::mm),
mInductionRegionLength ( 2.0 * etm::mm)
</comment>
</define>
<limits>
</limits>
<regions>
</regions>
<display>
</display>
<detectors>
<detector
id="GEMTrackerEndcap_ID"
name="GEMTrackerEndcap"
type="refdet_GEMTrackerEndcap"
readout="GEMTrackerEndcapHits"
vis="Argonne_Red"
reflect="false">
<module name="GEMModule1" vis="Argonne_Process_Blue">
<trd x1="GEMTrackerEndcapFoilX1/2.0" x2="GEMTrackerEndcapFoilX2/2.0" z="GEMTrackerEndcapFoilY/2"/>
<comment> Going from HV side to readout side</comment>
<module_component thickness="0.127 * mm" material="Mylar"/>
<module_component thickness="50.0*um" material="Kapton" name="entrance_window"/>
<module_component thickness=" 3.0*mm" material="Ar10CO2" name="entrance region" />
<module_component thickness="50.0*um" material="Kapton"/>
<module_component thickness=" 3.0*um" material="Copper"/>
<module_component thickness=" 3.0*mm" material="Ar10CO2" name="drift region"/>
<module_component thickness="30.0*um" material="Kapton" name="gem_foil"/>
<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="30.0*um" material="Kapton" name="gem_foil"/>
<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="30.0*um" material="Kapton" name="gem_foil"/>
<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="30.0*um" material="Kapton" name="readout" sensitive="true"/>
<module_component thickness=" 3.0*um" material="Copper" name="readout_Cu"/>
<module_component thickness="127.0*um" material="Mylar"/>
<module_component thickness="200.0*um" material="Epoxy" sensitive="true" vis="Argonne_Process_Blue"/>
</module>
<module name="GEMSupportModule1" vis="Argonne_Process_Blue">
<trd x1="GEMTrackerEndcapFoilX2/2.0" x2="GEMTrackerEndcapFoilX1/2.0" z="GEMTrackerEndcapFrameBotEdge_width"/>
<module_component thickness="GEMTrackerEndcapFrame_thickness" material="Mylar"/>
</module>
<module name="GEMSupportModule2" vis="Argonne_Process_Blue">
<trd x1="GEMTrackerEndcapFrameSideEdge_width" x2="GEMTrackerEndcapFrameSideEdge_width" z="GEMTrackerEndcapFoilY/2"/>
<module_component thickness="4.0*mm" material="Mylar"/>
</module>
<layer id="1" >
<ring vis="Argonne_Red"
r="GEMTrackerEndcapFoil_rmin+GEMTrackerEndcapFoilY/2.0"
zstart="GEMTrackerEndcap_zmin+0*GEMTrackerEndcapLayer_thickness"
nmodules="12" dz="10 * mm" module="GEMModule1" />
<ring vis="Argonne_Blue" phi0="15.0*degree"
r="GEMTrackerEndcapFoil_rmin+GEMTrackerEndcapFoilY/2.0"
zstart="GEMTrackerEndcap_zmin+0*GEMTrackerEndcapLayer_thickness"
nmodules="12" dz="0 * mm" module="GEMSupportModule2" />
</layer>
<layer id="2" >
<ring vis="Argonne_Red"
r="GEMTrackerEndcapFoil_rmin+GEMTrackerEndcapFoilY/2.0"
zstart="GEMTrackerEndcap_zmin+1*GEMTrackerEndcapLayer_thickness"
nmodules="12" dz="10 * mm" module="GEMModule1" />
<ring vis="Argonne_Blue" phi0="15.0*degree"
r="GEMTrackerEndcapFoil_rmin+GEMTrackerEndcapFoilY/2.0"
zstart="GEMTrackerEndcap_zmin+1*GEMTrackerEndcapLayer_thickness"
nmodules="12" dz="0 * mm" module="GEMSupportModule2" />
</layer>
<layer id="3" >
<ring vis="Argonne_Red"
r="GEMTrackerEndcapFoil_rmin+GEMTrackerEndcapFoilY/2.0"
zstart="GEMTrackerEndcap_zmin+2*GEMTrackerEndcapLayer_thickness"
nmodules="12" dz="10 * mm" module="GEMModule1" />
<ring vis="Argonne_Blue" phi0="15.0*degree"
r="GEMTrackerEndcapFoil_rmin+GEMTrackerEndcapFoilY/2.0"
zstart="GEMTrackerEndcap_zmin+2*GEMTrackerEndcapLayer_thickness"
nmodules="12" dz="0 * mm" module="GEMSupportModule2" />
</layer>
<layer id="4" >
<ring vis="Argonne_Red"
r="GEMTrackerEndcapFoil_rmin+GEMTrackerEndcapFoilY/2.0"
zstart="GEMTrackerEndcap_zmin+3*GEMTrackerEndcapLayer_thickness"
nmodules="12" dz="10 * mm" module="GEMModule1" />
<ring vis="Argonne_Blue" phi0="15.0*degree"
r="GEMTrackerEndcapFoil_rmin+GEMTrackerEndcapFoilY/2.0"
zstart="GEMTrackerEndcap_zmin+3*GEMTrackerEndcapLayer_thickness"
nmodules="12" dz="0 * mm" module="GEMSupportModule2" />
</layer>
<layer id="5" >
<ring vis="Argonne_Red"
r="GEMTrackerEndcapFoil_rmin+GEMTrackerEndcapFoilY/2.0"
zstart="GEMTrackerEndcap_zmin+4*GEMTrackerEndcapLayer_thickness"
nmodules="12" dz="10 * mm" module="GEMModule1" />
<ring vis="Argonne_Blue" phi0="15.0*degree"
r="GEMTrackerEndcapFoil_rmin+GEMTrackerEndcapFoilY/2.0"
zstart="GEMTrackerEndcap_zmin+4*GEMTrackerEndcapLayer_thickness"
nmodules="12" dz="0 * mm" module="GEMSupportModule2" />
</layer>
</detector>
</detectors>
<readouts>
<readout name="GEMTrackerEndcapHits">
<segmentation type="CartesianGridXY" grid_size_x="1.0*mm" grid_size_y="1.0*mm" />
<id>system:8,barrel:2,layer:4,module:12,sensor:2,x:32:-16,y:-16</id>
</readout>
</readouts>
<plugins>
</plugins>
<fields>
</fields>
</lccdd>