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ForwardEMcal_HDDS.xml
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ForwardEMcal_HDDS.xml
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<?xml version="1.0" encoding="UTF-8"?>
<!--DOCTYPE HDDS>
Hall D Geometry Data Base: Forward EM calorimeter
**************************************************
version 1.0: Initial version -rtj
<HDDS specification="v1.0" xmlns="http://www.gluex.org/hdds">
-->
<section name = "ForwardEMcal"
version = "2.1"
date = "2006-11-25"
author = "R.T. Jones"
top_volume = "FCAL"
specification = "v1.0">
<!-- Origin of ForwardEMcal is center of upstream face of LGD -->
<!-- Thr Jan 29 08:14:30 EST 2009 -->
<!-- changed order of counting columns: 0-58 from south to north -->
<!-- July 7, 2017, Richard Jones -->
<!-- Added front steel frame and side straps to the LGD blocks. -->
<!-- Added mylar wrapping around the blocks. -->
<!-- Increased the size of the FCAL block unit cell to account for
the space needed for wrapping, strips, and front frame. -->
<!-- Added plexiglass sheet (0.5") in front of the LGD. -->
<!-- Extended the stainless tube around the beam hole to the full
length (32.75") shown in the drawings, with front flush with
the front of the wrapped blocks. -->
<!-- July 7, 2017, Richard Jones -->
<!-- Added light cover in front of entrance face to the FCal -->
<!-- version 2.1, January 8, 2019, Richard Jones -->
<!-- Small tweaks to eliminate overlaps between volumnes. -->
<composition name="ForwardEMcal">
<posXYZ volume="forwardEMcal" X_Y_Z="0.0 0.0 25.4" />
<posXYZ volume="plexiSheet" X_Y_Z="0.0 0.0 -1.0" />
<posXYZ volume="FCLC" X_Y_Z="0.0 0.0 -2.0" />
<posXYZ volume="FCBX" X_Y_Z="0.0 0.0 50.8" />
</composition>
<composition name="forwardEMcal" envelope="FCAL">
<apply region="nullBfield"/>
<posXYZ volume="LGDlower" X_Y_Z=" 0.0 -62.24335 0.0" />
<posXYZ volume="LGDsouth" X_Y_Z="-62.24335 0.0 0.0" />
<posXYZ volume="LGDnorth" X_Y_Z="+62.24335 0.0 0.0" />
<posXYZ volume="LGDupper" X_Y_Z=" 0.0 +62.24335 0.0" />
<posXYZ volume="FCBI" X_Y_Z="0.0 0.0 0.0" />
</composition>
<composition name="LGDlower" envelope="LGDB">
<mposY volume="LGDfullRow" ncopy="28" Z_X="0.0 0.0" Y0="-54.21195" dY="4.0157">
<row value="0" step="1" />
</mposY>
</composition>
<composition name="LGDnorth" envelope="LGDN">
<mposY volume="LGDhalfRowNorth" ncopy="3" Y0="-4.0157" dY="4.0157">
<row value="28" step="1" />
</mposY>
</composition>
<composition name="LGDsouth" envelope="LGDS">
<mposY volume="LGDhalfRowSouth" ncopy="3" Y0="-4.0157" dY="4.0157">
<row value="28" step="1" />
</mposY>
</composition>
<composition name="LGDupper" envelope="LGDT">
<mposY volume="LGDfullRow" ncopy="28" Z_X="0.0 0.0" Y0="-54.21195" dY="4.0157">
<row value="31" step="1" />
</mposY>
</composition>
<composition name="LGDfullRow">
<mposX volume="LGDblock" ncopy="59" Y_Z="0.0 0.0" X0="-116.4553" dX="4.0157">
<column value="0" step="1" />
</mposX>
</composition>
<composition name="LGDhalfRowNorth">
<mposX volume="LGDblock" ncopy="28" Y_Z="0.0 0.0" X0="-54.21195" dX="4.0157">
<column value="31" step="1" />
</mposX>
</composition>
<composition name="LGDhalfRowSouth">
<mposX volume="LGDblock" ncopy="28" Y_Z="0.0 0.0" X0="-54.21195" dX="4.0157">
<column value="0" step="1" />
</mposX>
</composition>
<composition name="LGDblock" envelope="LGBU">
<posXYZ volume="LGBLwrapped" X_Y_Z="-0.0038 -0.0038 -2.600"/>
<posXYZ volume="LGBS" X_Y_Z="2.00405 0 0"/>
<posXYZ volume="LGBS" X_Y_Z="0 2.00405 0" rot="0 0 90"/>
<posXYZ volume="LGBF" X_Y_Z="-0.0038 -0.0038 -25.100"/>
<posXYZ volume="LGLG" X_Y_Z="-0.0038 -0.0038 22.450"/>
</composition>
<composition name="LGBLwrapped" envelope="LGBW">
<posXYZ volume="LGBL"/>
</composition>
<box name="FCAL" X_Y_Z="236.9263 236.9263 50.8" material="Air"
comment="forward EMcal mother" />
<box name="LGDB" X_Y_Z="236.9263 112.4396 50.8" material="Air"
comment="LGD bottom section" />
<box name="LGDT" X_Y_Z="236.9263 112.4396 50.8" material="Air"
comment="LGD top section" />
<box name="LGDN" X_Y_Z="112.4396 12.0471 50.8" material="Air"
comment="LGD north section" />
<box name="LGDS" X_Y_Z="112.4396 12.0471 50.8" material="Air"
comment="LGD south section" />
<box name="LGBU" X_Y_Z="4.0157 4.0157 50.8" material="Air"
comment="lead glass block stacking unit cell"/>
<box name="LGBL" X_Y_Z="4.0030 4.0030 45.0" material="leadGlassF800"
sensitive="true" comment="lead glass block" />
<tubs name="LGLG" Rio_Z="0.0 1.5875 5.08" material="Plexiglas"
sensitive="true" comment="lead glass block plexiglass light guide" />
<box name="LGBW" X_Y_Z="4.0081 4.0081 45.0" material="Mylar"
comment="aluminized mylar wrapping around the block"/>
<box name="LGBS" X_Y_Z="0.0076 2.8575 50.8" material="StainlessSteel"
comment="SS strap holding the tube assy to the block"/>
<pgon name="LGBF" segments="4" profile="-45 360" material="StainlessSteel"
comment="SS frame fixing the straps to the front of the block">
<polyplane Rio_Z="1.5875 2.0015 -0.300"/>
<polyplane Rio_Z="1.5875 2.0015 0.000"/>
</pgon>
<pgon name="FCBI" segments="4" profile="-45 360" material="StainlessSteel"
comment="FCal beam hole support insert">
<polyplane Rio_Z="4.7536 6.0235 -25.400"/>
<polyplane Rio_Z="4.7536 6.0235 +25.400"/>
</pgon>
<pgon name="FCBX" segments="4" profile="-45 360" material="StainlessSteel"
comment="FCal beam hole support extension">
<polyplane Rio_Z="4.7536 6.0236 0.000"/>
<polyplane Rio_Z="4.7536 6.0236 32.385"/>
</pgon>
<composition name="plexiSheet" envelope="LGPS">
<posXYZ volume="LGPH"/>
</composition>
<tubs name="LGPS" Rio_Z="0.0 123.190 1.270" material="Plexiglas"/>
<box name="LGPH" X_Y_Z="9.500 9.500 1.270" material="Air"/>
<box name="FCLC" X_Y_Z="243.8 243.8 0.3175" material="ABS-PVC"/>
<!-- The following elements describe an early rendition of the GlueX
detector simulated using a fast Monte Carlo program MCFast. They
are retained for future reference, do not rely on their values. -->
<parameters name="forwardEMcal_pars" type="mcfast">
<real_array name="xlimit" comment="xmin xmax limits of box"
values="-106.0 106.0"
unit="cm" />
<real_array name="ylimit" comment="ymin ymax limits of box"
values="-106.0 106.0"
unit="cm" />
<real_array name="xlimit_gap" comment="xmin xmax of beam hole aperture"
values=" -6.0 6.0"
unit="cm" />
<real_array name="ylimit_gap" comment="ymin ymax of beam hole aperture"
values=" -6.0 6.0"
unit="cm" />
<real name="z0" value="620.07" comment="z of midplane"
unit="cm" />
<real name="zlen" value="45.0" comment="length of blocks"
unit="cm" />
<reference name="material" value="leadGlassF800" />
<reference name="active" value="leadGlassF800" />
<int name="ncr1" value="58" comment="x segmentation" />
<int name="ncr2" value="58" comment="y segmentation" />
<int name="nlayers" value="1" comment="z segmentation" />
<real name="siga_em" value="0.06" comment="root-E coefficient"
unit="cm" />
<real name="sigb_em" value="0.01" comment="floor term"
unit="cm" />
<real name="siga_had" value="0.0" comment="root-E coefficient"
unit="cm" />
<real name="sigb_had" value="0.0" comment="floor term"
unit="cm" />
<real name="em_had_ratio" value="4.0" comment="response ratio"
unit="cm" />
</parameters>
<!-- The forward calorimeter is hard coded into HDFast at present
<mcfast model="CalorBox" template="db/calorbox.db"
parameters="forwardEMcal_pars">
<string name="name" value="FCAL"
<string name="shape" value="BOX"
<int name="type" value="2"
</mcfast>
-->
</section>
<!-- </HDDS> -->