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StartCntr_HDDS.xml
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StartCntr_HDDS.xml
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<?xml version="1.0" encoding="UTF-8"?>
<!--DOCTYPE HDDS>
Hall D Geometry Data Base: Start counter
*****************************************
version 1.0: Initial version -rtj
version 1.1: Fix some problems with the start Detector -cam
Length and center were wrong in the previous version.
version 2.0: template file, start counter parameters calculated
DO NOT EDIT THIS FILE !!! W. Boeglin January 09
version 4.1: updates for compatibility with geant4 -rtj
a) Removed useless/redundant z-planes in the container
volume STRT.
b) Small shift to CircuitBoards (STC1) to eliminate
overlaps.
version 4.2: small tweaks to eliminate overlaps between volumes [rtj]
<HDDS specification="v1.0" xmlns="http://www.gluex.org/hdds">
-->
<section name = "StartCntr"
version = "4.2"
date = "2012-05-03"
author = "W. Boeglin"
top_volume = "STRT"
specification = "v1.0">
<!-- Origin of StartCntr is on the axis of the cylinder
at the upstream limit of the sensitive region. -->
<composition name="StartCntr">
<posXYZ volume="startCntrCables" X_Y_Z="0. 0. -19. "/>
<posXYZ volume="startCntr" X_Y_Z="0.044 0.112 0.0" rot="-0.1026 0.0 0.0"/>
<!-- Plastic target at end of start counter -->
<!--posXYZ volume="CAP2" X_Y_Z="0 0.0 58.89"/-->
</composition>
<tubs name="CAP2" Rio_Z="0.0 2.375 0.1" material="Polyethylene" />
<composition name="startCntrCables" envelope="STCM">
<mposPhi volume="STCC" ncopy="10" Phi0="18.000000" R_Z="8.3 0.0"
impliedRot="true">
<sector value="1" step="1" />
</mposPhi>
</composition>
<composition name="startCntrReadout2" envelope="STCB">
<mposPhi volume="STC1" ncopy="10" Phi0="18.000000" R_Z="7.5535 -0.25"
impliedRot="true">
<sector value="1" step="1" />
</mposPhi>
<mposPhi volume="STC2" ncopy="10" Phi0="18.000000" R_Z="7.2525 2.432"
impliedRot="true">
<sector value="1" step="1" />
</mposPhi>
<mposPhi volume="STC2" ncopy="10" Phi0="18.000000" R_Z="7.2525 -2.432"
impliedRot="true">
<sector value="1" step="1" />
</mposPhi>
</composition>
<tubs name="STCM" Rio_Z="8.25 8.5 20.00" material="Air"
comment="Start counter cables mother volume" />
<tubs name="STCB" Rio_Z="7.0 7.9 5.864" material="Air"/>
<box name="STC1" X_Y_Z="0.1 3.81 5.364" material="CircuitBoards"/>
<box name="STC2" X_Y_Z="0.5 3.5 1.0" material="FR-4"/>
<box name="STCC" X_Y_Z="0.1 2.54 20.00" material="SignalCables"/>
<composition name="startCntr" envelope="STRT">
<mposPhi volume="STRC" ncopy="30" Phi0="6.000000" R_Z="0.0 0.0"
impliedRot="true">
<sector value="1" step="1"/>
</mposPhi>
<posXYZ volume="STIC" />
<posXYZ volume="STIE" />
<posXYZ volume="STAI" />
<posXYZ volume="STIS" />
<posXYZ volume="STAO" />
<posXYZ volume="STWR" />
<posXYZ volume="STSR" />
<posXYZ volume="STAN" />
<posXYZ volume="STTD" />
<posXYZ volume="STT1"/>
<posXYZ volume="startCntrReadout" X_Y_Z="0 0 -0.14" />
<posXYZ volume="startCntrReadout2" X_Y_Z="0.0 0.0 -3.212" />
</composition>
<composition name="startCntrReadout" envelope="STRO">
<posXYZ volume="STSI" X_Y_Z="0.0 0.0 0.09"/>
<posXYZ volume="STSS" X_Y_Z="0.0 0.0 -0.01"/>
<posXYZ volume="STRB" X_Y_Z="0.0 0.0 -0.1"/>
</composition>
<tubs name="STRO" Rio_Z="7.0 8.32 0.28" material="Air"
comment="Start counter readout mother volume"/>
<pcon name="STRT" material="Air" comment="start counter assembly">
<polyplane Rio_Z="7.79 8.1 -8.67660"/>
<polyplane Rio_Z="7.79 8.1 -7.3606"/>
<polyplane Rio_Z="6.667 8.1 -7.3606"/>
<polyplane Rio_Z="6.667 8.1 -7.0431"/>
<polyplane Rio_Z="6.667 7.9 -7.0431" />
<polyplane Rio_Z="6.667 7.9 -0.4"/>
<polyplane Rio_Z="6.667 8.450000 -0.4"/>
<polyplane Rio_Z="6.667 8.450000 1.0" />
<polyplane Rio_Z="6.66 8.25 39.465"/>
<polyplane Rio_Z="6.2 8.1 42.057375"/>
<polyplane Rio_Z="2.4637 4.24 53.8226"/>
<polyplane Rio_Z="1.95 2.39 58.8" />
</pcon>
<pgon name="STAI" segments="30" material="Aluminum"
comment="Aluminum foil wrapping">
<polyplane Rio_Z="7.74761 7.74926 0.000000" />
<polyplane Rio_Z="7.74761 7.74926 39.465000" />
<polyplane Rio_Z="7.72483 7.72648 40.176676" />
<polyplane Rio_Z="7.72324 7.72489 40.194574" />
<polyplane Rio_Z="7.66153 7.66319 40.885848" />
<polyplane Rio_Z="7.65618 7.65785 40.921580" />
<polyplane Rio_Z="7.55628 7.55796 41.590017" />
<polyplane Rio_Z="7.54497 7.54669 41.643458" />
<polyplane Rio_Z="7.40945 7.41114 42.286705" />
<polyplane Rio_Z="7.39000 7.39173 42.357668" />
<polyplane Rio_Z="7.22153 7.22327 42.973460" />
<polyplane Rio_Z="7.19587 7.19761 43.057375" />
<polyplane Rio_Z="1.99826 2.00000 58.594" />
<polyplane Rio_Z="1.99826 2.00000 58.600"/>
<polyplane Rio_Z="2.31461 2.31635 58.690" />
</pgon>
<pgon name="STAO" segments="30" material="Aluminum"
comment="Aluminum foil wrapping">
<polyplane Rio_Z=" 8.04926 8.05091 0.000000" />
<polyplane Rio_Z=" 8.04926 8.05091 39.465000" />
<polyplane Rio_Z=" 8.02827 8.02992 40.176676" />
<polyplane Rio_Z=" 8.02774 8.02939 40.194574" />
<polyplane Rio_Z=" 7.96605 7.96771 40.885848" />
<polyplane Rio_Z=" 7.96286 7.96454 40.921580" />
<polyplane Rio_Z=" 7.86296 7.86465 41.590017" />
<polyplane Rio_Z=" 7.85497 7.85666 41.643458" />
<polyplane Rio_Z=" 7.71942 7.72111 42.286705" />
<polyplane Rio_Z=" 7.70446 7.70617 42.357668" />
<polyplane Rio_Z=" 7.53600 7.53774 42.973460" />
<polyplane Rio_Z=" 7.51305 7.51490 43.057375" />
<polyplane Rio_Z=" 2.31635 2.31809 58.594" />
</pgon>
<pgon name="STRC" segments="1" profile="-6.0 12.0" material="Scintillator"
sensitive="true" comment="start counter scintillator">
<polyplane Rio_Z="7.74926 8.04926 0.000000" />
<polyplane Rio_Z="7.74926 8.04926 39.465000" />
<polyplane Rio_Z="7.72648 8.02827 40.176676" />
<polyplane Rio_Z="7.72489 8.02774 40.194574" />
<polyplane Rio_Z="7.66319 7.96605 40.885848" />
<polyplane Rio_Z="7.65785 7.96286 40.921580" />
<polyplane Rio_Z="7.55796 7.86296 41.590017" />
<polyplane Rio_Z="7.54669 7.85497 41.643458" />
<polyplane Rio_Z="7.41114 7.71942 42.286705" />
<polyplane Rio_Z="7.39173 7.70446 42.357668" />
<polyplane Rio_Z="7.22327 7.53600 42.973460" />
<polyplane Rio_Z="7.19761 7.51305 43.057375" />
<polyplane Rio_Z="2.00000 2.31635 58.594" />
<polyplane Rio_Z="2.31635 2.31635 58.6892" />
</pgon>
<pcon name="STIE" material="EpoxyResin">
<polyplane Rio_Z="6.7691 6.81228 -0.3556"/>
<polyplane Rio_Z="6.7691 6.81228 37.7444"/>
</pcon>
<pcon name="STIC" material="CarbonFiber"
comment="Carbon fiber support ring">
<polyplane Rio_Z="6.68528 6.7691 -0.3556"/>
<polyplane Rio_Z="6.68528 6.7691 37.7444"/>
</pcon>
<pcon name="STIS" material="HighDensityROHACELL"
comment="start counter support cylinder">
<polyplane Rio_Z="7.60603 7.74603 0.00"/>
<polyplane Rio_Z="7.60603 7.74603 0.2794"/>
<polyplane Rio_Z="6.81228 7.74603 0.2794"/>
<polyplane Rio_Z="6.81228 7.74603 37.7444"/>
<polyplane Rio_Z="6.66753 7.74603 37.7444"/>
<polyplane Rio_Z="6.66603 7.74403 39.4650" />
<polyplane Rio_Z="6.64325 7.71325 40.176676" />
<polyplane Rio_Z="6.51000 7.61996 40.885848" />
<polyplane Rio_Z="6.36024 7.51473 41.590017" />
<polyplane Rio_Z="6.21342 7.36791 42.286705" />
<polyplane Rio_Z="6.19401 7.34850 42.357668" />
<polyplane Rio_Z="6.02555 7.18004 42.973460" />
<polyplane Rio_Z="5.99989 7.15438 43.057375" />
<polyplane Rio_Z="2.46380 3.57000 53.8226" />
</pcon>
<pgon name="STWR" segments="30" material="Cellulose"
comment="start counter wrapping tape">
<polyplane Rio_Z=" 8.05091 8.10091 0.000000" />
<polyplane Rio_Z=" 8.05091 8.10091 39.465000" />
<polyplane Rio_Z=" 8.02992 8.07992 40.176676" />
<polyplane Rio_Z=" 8.02939 8.07939 40.194574" />
<polyplane Rio_Z=" 7.96771 8.01798 40.885848" />
<polyplane Rio_Z=" 7.96454 8.01487 40.921580" />
<polyplane Rio_Z=" 7.86465 7.91547 41.590017" />
<polyplane Rio_Z=" 7.85666 7.90796 41.643458" />
<polyplane Rio_Z=" 7.72111 7.77329 42.286705" />
<polyplane Rio_Z=" 7.70617 7.75862 42.357668" />
<polyplane Rio_Z=" 7.53774 7.59033 42.973460" />
<polyplane Rio_Z=" 7.51490 7.56763 43.057375" />
<polyplane Rio_Z=" 2.31809 2.37081 58.594"/>
</pgon>
<pcon name="STSR" material="Aluminum"
comment="Support ring for attaching to target flange">
<polyplane Rio_Z="7.79 8.1 -8.6766"/>
<polyplane Rio_Z="7.79 8.1 -7.3606"/>
<polyplane Rio_Z="6.6726 8.1 -7.3606"/>
<polyplane Rio_Z="6.6726 8.1 -7.0431"/>
<polyplane Rio_Z="6.6726 6.9726 -7.0431"/>
<polyplane Rio_Z="6.6726 6.9726 -0.3556"/>
<polyplane Rio_Z="6.81228 6.9726 -0.3556"/>
<polyplane Rio_Z="6.81228 6.9726 0.0"/>
<polyplane Rio_Z="6.81228 7.6060 0.0"/>
<polyplane Rio_Z="6.81228 7.6060 0.2794"/>
</pcon>
<tubs name="STSI" Rio_Z="7.749 8.049 0.10" material="Silicon"
comment="Silicon PM for start counter readout" />
<tubs name="STSS" Rio_Z="7.749 8.049 0.10" material="SiliconDioxide"
comment="Silicon PM substrate for start counter readout" />
<tubs name="STRB" Rio_Z="7.0 8.32 0.08" material="FR-4"
comment="Silicon PM readout board" />
<pcon name="STAN" material="Nylon"
comment="Right angle piece for light tightness" >
<polyplane Rio_Z="7.9 8.42 -0.38"/>
<polyplane Rio_Z="7.9 8.42 -0.29"/>
<polyplane Rio_Z="8.32 8.42 -0.29"/>
<polyplane Rio_Z="8.32 8.42 0.72"/>
</pcon>
<pcon name="STT1" material="Tedlar" comment="Wrapping for light tightness">
<polyplane Rio_Z="3.56 3.565 53.8226"/>
<polyplane Rio_Z="1.993 1.998 58.594"/>
</pcon>
<pcon name="STTD" material="Tedlar" comment="Wrapping for light tightness">
<polyplane Rio_Z="8.42 8.425 0." />
<polyplane Rio_Z="8.42 8.425 1." />
<polyplane Rio_Z="8.15 8.155 4." />
<polyplane Rio_Z="8.15 8.155 39.465000" />
<polyplane Rio_Z="8.13 8.135 40.176676" />
<polyplane Rio_Z="8.124 8.129 40.194574" />
<polyplane Rio_Z="8.07 8.075 40.885848" />
<polyplane Rio_Z="8.06 8.065 40.921580" />
<polyplane Rio_Z="7.96 7.9651 41.590017" />
<polyplane Rio_Z="7.95 7.9551 41.643458" />
<polyplane Rio_Z="7.82 7.8252 42.286705" />
<polyplane Rio_Z="7.81 7.8152 42.357668" />
<polyplane Rio_Z="7.64 7.6453 42.973460" />
<polyplane Rio_Z="7.62 7.6253 43.057375" />
<polyplane Rio_Z="2.38 2.3853 58.75 "/>
</pcon>
<!-- 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="startCntr_pars" type="mcfast">
<real name="rmin" value="10.00" comment="inner radius"
unit="cm" />
<real name="rmax" value="10.20" comment="outer radius"
unit="cm" />
<real name="z0" value="72.5" comment="z of midplane"
unit="cm" />
<real name="zlen" value="50.0" comment="length of cntr"
unit="cm" />
</parameters>
<parameters name="startCntrLayer_pars" type="mcfast">
<int name="det" value="1" comment="num of mother" />
<real name="zlen" value="50.0" comment="length of layer"
unit="cm" />
<real name="cell_height" value="0.2" comment="thickness"
unit="cm" />
<int name="nwires" value="25" comment="segmentation" />
<int name="ID_readout" value="-1" />
<int name="ID_cathode" value="1" />
<real name="phi0" value="0." comment="offset to wire 1"
unit="cm" />
<real name="stereo_offset" value="0." comment="where is phi0"
unit="cm" />
<real name="eff_hit" value="0.96" comment="hit efficiency"
unit="cm" />
<real name="eff_dedx" value="0.96" comment="dE/dx efficiency"
unit="cm" />
<real name="siga" value="0.04" comment="xy resolution"
unit="cm" />
<real name="sigb" value="0.00" comment="?? resolution"
unit="cm" />
<real name="sigc" value="0.00" comment="?? resolution"
unit="cm" />
</parameters>
<parameters name="startCntrOffset_pars" type="mcfast">
<int name="det" value="1" comment="num of mother" />
<real name="cell_offset" value="0.0" comment="offset in phi"
unit="cm" />
<real name="sag" value="0.0" comment="sagitta of wire"
unit="cm" />
<real_array name="offset" values="0.0 0.0 0.0" comment="not used"
unit="cm" />
<real_array name="dircos" values="0.0 0.0 0.0" comment="not used"
unit="cm" />
</parameters>
<mcfast model="Drift" template="db/drift.db" parameters="startCntr_pars">
<int name="num" value="1" />
<string name="name" value="STRT" />
<!-- for mcfast model the start counter as a vertex drift chamber -->
<int name="num_anode" value="3" comment="anode layers" />
<int name="num_cathode" value="0" />
<reference name="material" value="Scintillator" />
<real_array name="thick_boun" comment="inner outer upstream downstream
window thicknesses" values=" 0.20 0.05 0.20 0.20"
unit="cm" />
<reference_vector name="mat_boun">
<reference_data value="Mylar" comment="inner window material" />
<reference_data value="Mylar" comment="outer window material" />
<reference_data value="Mylar" comment="upstream window matl" />
<reference_data value="Mylar" comment="downstream window matl" />
</reference_vector>
<mcfast model="LayerDRFAno" template="db/drift_layer.db"
parameters="startCntrLayer_pars">
<int name="lyr" value="1" comment="layer number" />
<real name="radius" value="10.1" comment="central radius"
unit="cm" />
<real name="stereo_tau" value="-0.10" comment="twist angle tau"
unit="cm" />
</mcfast>
<mcfast model="LayerDRFAno" template="db/drift_layer.db"
parameters="startCntrLayer_pars">
<int name="lyr" value="2" comment="layer number" />
<real name="radius" value="10.3" comment="central radius"
unit="cm" />
<real name="stereo_tau" value="0.0" comment="twist angle tau"
unit="cm" />
</mcfast>
<mcfast model="LayerDRFAno" template="db/drift_layer.db"
parameters="startCntrLayer_pars">
<int name="lyr" value="3" comment="layer number" />
<real name="radius" value="10.5" comment="central radius"
unit="cm" />
<real name="stereo_tau" value="+0.10" comment="twist angle tau"
unit="cm" />
</mcfast>
<mcfast model="OffsetDRFAno" template="db/drift_offset.db"
parameters="startCntrOffset_pars">
<int name="lyr" value="1" comment="layer number" />
</mcfast>
<mcfast model="OffsetDRFAno" template="db/drift_offset.db"
parameters="startCntrOffset_pars">
<int name="lyr" value="2" comment="layer number" />
</mcfast>
<mcfast model="OffsetDRFAno" template="db/drift_offset.db"
parameters="startCntrOffset_pars">
<int name="lyr" value="3" comment="layer number" />
</mcfast>
</mcfast>
</section>
<!-- </HDDS> -->