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Merge pull request #77 from JeffersonLab/cppUpdate
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 first attempt to make the geometry of the muon detector for the CCP …
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@rjones30
rjones30 authored Mar 18, 2021
2 parents a71ad87 + 5072a5f commit 67ac89c
Showing 1 changed file with 40 additions and 25 deletions.
65 changes: 40 additions & 25 deletions ForwardMWPC_HDDS.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,10 @@
**************************************************
version 1.0: Initial version -DL
version 2.0: Modifications according to drawings from March 2021 -BZ
Really basic, needs improvment on the first absorber layer lead
By default this detector is not enabled in the standard Hall-D geometry in
HDDS. Here is how to enable it and the rest of the geometry changes needed
for the CPP experiment:
Expand All @@ -25,9 +28,9 @@ in main_HDDS.xml
-->

<section name = "ForwardMWPC"
version = "1.0"
date = "2015-05-07"
author = "D. Lawrence"
version = "2.0"
date = "2021-03-17"
author = "B. Zihlmann"
top_volume = "MWPC"
specification = "v1.0">

Expand All @@ -44,21 +47,23 @@ in main_HDDS.xml

<composition name="ForwardMWPC" envelope="MWPC">

<posXYZ volume="CPPAbsorber1" X_Y_Z="0.0 0.0 3.075" />
<posXYZ volume="CPPChamber" X_Y_Z="0.0 0.0 9.96"> <layer value="1" /> </posXYZ>
<posXYZ volume="CPPAbsorber2" X_Y_Z="0.0 0.0 16.545" />
<posXYZ volume="CPPChamber" X_Y_Z="0.0 0.0 23.13"> <layer value="2" /> </posXYZ>
<posXYZ volume="CPPAbsorber3" X_Y_Z="0.0 0.0 29.715" />
<posXYZ volume="CPPChamber" X_Y_Z="0.0 0.0 36.3"> <layer value="3" /> </posXYZ>
<posXYZ volume="CPPAbsorber4" X_Y_Z="0.0 0.0 43.56" />
<posXYZ volume="CPPChamber" X_Y_Z="0.0 0.0 50.82"> <layer value="4" /> </posXYZ>
<posXYZ volume="CPPAbsorber5" X_Y_Z="0.0 0.0 59.33" />
<posXYZ volume="CPPChamber" X_Y_Z="0.0 0.0 67.84"> <layer value="5" /> </posXYZ>
<posXYZ volume="CPPAbsorber1" X_Y_Z="0.0 0.0 2.50" />
<posXYZ volume="CPPChamber" X_Y_Z="0.0 0.0 7.63"> <layer value="1" /> </posXYZ>
<posXYZ volume="CPPAbsorber2" X_Y_Z="0.0 0.0 15.26" />
<posXYZ volume="CPPChamber" X_Y_Z="0.0 0.0 22.89"> <layer value="2" /> </posXYZ>
<posXYZ volume="CPPAbsorber3" X_Y_Z="0.0 0.0 33.02" />
<posXYZ volume="CPPChamber" X_Y_Z="0.0 0.0 43.15"> <layer value="3" /> </posXYZ>
<posXYZ volume="CPPAbsorber4" X_Y_Z="0.0 0.0 63.28" />
<posXYZ volume="CPPChamber" X_Y_Z="0.0 0.0 83.41"> <layer value="4" /> </posXYZ>
<posXYZ volume="CPPAbsorber5" X_Y_Z="0.0 0.0 103.54" />
<posXYZ volume="CPPChamber" X_Y_Z="0.0 0.0 123.67"> <layer value="5" /> </posXYZ>
<posXYZ volume="CPPChamber" X_Y_Z="0.0 0.0 128.93"> <layer value="6" /> </posXYZ>
<!--
<posXYZ volume="CPPAbsorber6" X_Y_Z="0.0 0.0 79.65" />
<posXYZ volume="CPPChamber" X_Y_Z="0.0 0.0 91.46"> <layer value="6" /> </posXYZ>
<posXYZ volume="CPPAbsorber7" X_Y_Z="0.0 0.0 140.495" />
<posXYZ volume="CPPChamber" X_Y_Z="0.0 0.0 189.53"> <layer value="7" /> </posXYZ>
<posXYZ volume="CPPChamber" X_Y_Z="0.0 0.0 197.15"> <layer value="8" /> </posXYZ>
-->

</composition>

Expand All @@ -67,8 +72,11 @@ in main_HDDS.xml
<composition name="CPPAbsorber3" envelope="CPA3"> <posXYZ volume="CPH3" X_Y_Z="0.0 0.0 0.0" /> </composition>
<composition name="CPPAbsorber4" envelope="CPA4"> <posXYZ volume="CPH4" X_Y_Z="0.0 0.0 0.0" /> </composition>
<composition name="CPPAbsorber5" envelope="CPA5"> <posXYZ volume="CPH5" X_Y_Z="0.0 0.0 0.0" /> </composition>

<!--
<composition name="CPPAbsorber6" envelope="CPA6"> <posXYZ volume="CPH6" X_Y_Z="0.0 0.0 0.0" /> </composition>
<composition name="CPPAbsorber7" envelope="CPA7"> <posXYZ volume="CPH7" X_Y_Z="0.0 0.0 0.0" /> </composition>
-->

<composition name="CPPChamber" envelope="CPPF">
<posXYZ volume="CPPWall" X_Y_Z="0.0 0.0 -1.815" />
Expand All @@ -89,20 +97,27 @@ in main_HDDS.xml
<box name="MWPC" X_Y_Z="165.0 165.0 401.92" material="Air" comment="forward MWPC mother" />

<!-- Absorbers are 61"x61" square with various thicknesses and a 8cm round beam hole -->
<box name="CPA1" X_Y_Z="154.94 154.94 6.15" material="Iron" comment="Iron Absorber"/>
<box name="CPA2" X_Y_Z="154.94 154.94 5.55" material="Iron" comment="Iron Absorber"/>
<box name="CPA3" X_Y_Z="154.94 154.94 5.55" material="Iron" comment="Iron Absorber"/>
<box name="CPA4" X_Y_Z="154.94 154.94 6.90" material="Iron" comment="Iron Absorber"/>
<box name="CPA5" X_Y_Z="154.94 154.94 9.40" material="Iron" comment="Iron Absorber"/>
<box name="CPA1" X_Y_Z="154.94 154.94 5.00" material="Lead" comment="Lead Absorber"/>
<box name="CPA2" X_Y_Z="154.94 154.94 10.00" material="Iron" comment="Iron Absorber"/>
<box name="CPA3" X_Y_Z="154.94 154.94 15.00" material="Iron" comment="Iron Absorber"/>
<box name="CPA4" X_Y_Z="154.94 154.94 35.00" material="Iron" comment="Iron Absorber"/>
<box name="CPA5" X_Y_Z="154.94 154.94 35.00" material="Iron" comment="Iron Absorber"/>

<!--
<box name="CPA6" X_Y_Z="154.94 154.94 16.00" material="Iron" comment="Iron Absorber"/>
<box name="CPA7" X_Y_Z="154.94 154.94 90.45" material="Iron" comment="Iron Absorber"/>
<tubs name="CPH1" Rio_Z="0.0 4.0 6.15" material="Air" comment="Iron Absorber beam hole" />
<tubs name="CPH2" Rio_Z="0.0 4.0 5.55" material="Air" comment="Iron Absorber beam hole" />
<tubs name="CPH3" Rio_Z="0.0 4.0 5.55" material="Air" comment="Iron Absorber beam hole" />
<tubs name="CPH4" Rio_Z="0.0 4.0 6.90" material="Air" comment="Iron Absorber beam hole" />
<tubs name="CPH5" Rio_Z="0.0 4.0 9.40" material="Air" comment="Iron Absorber beam hole" />
-->

<tubs name="CPH1" Rio_Z="0.0 4.0 5.00" material="Air" comment="Lead Absorber beam hole" />
<tubs name="CPH2" Rio_Z="0.0 4.0 10.00" material="Air" comment="Iron Absorber beam hole" />
<tubs name="CPH3" Rio_Z="0.0 4.0 15.00" material="Air" comment="Iron Absorber beam hole" />
<tubs name="CPH4" Rio_Z="0.0 4.0 35.00" material="Air" comment="Iron Absorber beam hole" />
<tubs name="CPH5" Rio_Z="0.0 4.0 35.00" material="Air" comment="Iron Absorber beam hole" />

<!--
<tubs name="CPH6" Rio_Z="0.0 4.0 16.00" material="Air" comment="Iron Absorber beam hole" />
<tubs name="CPH7" Rio_Z="0.0 4.0 90.45" material="Air" comment="Iron Absorber beam hole" />
-->

<!-- MWPC frame is 64" x 64" x 5.26cm -->
<box name="CPPF" X_Y_Z="162.56 162.56 5.26" material="FR-4" comment="G10 frame" />
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