fluo_test/PPC_Germanium_Detector.gdml at master · matthewstortini/fluo_test · GitHub

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<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
<gdml xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="/Users/stortini/software/geant4/geant4/source/persistency/gdml/schema/gdml.xsd">

##########################################

#cylinder_height + cone_height = detector height
#cylinder_radius = cone's larger radius = detector radius
#cone_radius1 = cone's smaller radius
#cone_radius2 = cone's larger radius

##########################################

 <define>

  <constant name="HALFPI" value="pi/2."/>
  <constant name="PI" value="1.*pi"/>
  <constant name="TWOPI" value="2.*pi"/>

  <position name="center" x="0" y="0" z="0"/>
  <rotation name="identity" x="0" y="0" z="0" />

  <quantity name="cylinder_radius" type="length" value="31" unit="mm"/>
  <quantity name="cylinder_height" type="length" value="45.0" unit="mm"/>

  <quantity name="cone_radius1" type="length" value="29.39" unit="mm"/>
  <quantity name="cone_radius2" type="length" value="31" unit="mm"/>
  <quantity name="cone_height" type="length" value="6" unit="mm"/>

 </define>

##########################################

 <materials>

  <material name="natGe" Z="32.0"> <D value="5.32"/> <atom value="72.64"/>  </material>

 </materials>

##########################################

 <solids>

  <cone name="cylinder" rmin1="0" rmax1="cylinder_radius" rmin2="0" rmax2="cylinder_radius" z="cylinder_height" startphi="0" deltaphi="TWOPI" aunit="rad" />

  <cone name="cone" rmin1="0" rmax1="cone_radius2" rmin2="0" rmax2="cone_radius1" z="cone_height" startphi="0" deltaphi="TWOPI" aunit="rad" />

  <union name="detector">
    <first ref="cylinder" />
    <second ref="cone" />
    <position x="0" y="0" z="cylinder_height/2.0 + cone_height/2.0" />
    <rotationref ref="identity"/>
  </union>

 </solids>

##########################################

 <structure>

 <volume name="PPC_Germanium_Detector">
   <materialref ref="natGe"/>
   <solidref ref="detector"/>
  </volume>

 </structure>

##########################################

 <setup name="Default" version="1.0">
  <world ref="PPC_Germanium_Detector"/>
 </setup>
</gdml>