From a592c348da2dae2ed21c4e9af6184e2ee7caaa22 Mon Sep 17 00:00:00 2001
From: Shujie Li <shujie@jlab.org>
Date: Fri, 24 Sep 2021 14:36:18 -0400
Subject: [PATCH] change the aluminum service thickness along the tracker
outer endcaps from 8mm to 2mm
---
compact/central_tracker.xml | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/compact/central_tracker.xml b/compact/central_tracker.xml
index 461c7064..4170a378 100644
--- a/compact/central_tracker.xml
+++ b/compact/central_tracker.xml
@@ -382,7 +382,7 @@ total X0 0.24% per disk layer （4 sectors per disk):
thickness="TrackerSupportCarbon_thickness" length="TrackerEndcapOuterShell_length" zstart="TrackerEndcapOuterShell_zmin" />
<support vis="TrackerSupportVis" material="Aluminum" name="sup_cylinder_service"
rmin="TrackerEndcapOuterShell_rmin+1.0*mm+TrackerSupportCarbon_thickness"
- thickness="8.0*mm" length="TrackerEndcapOuterShell_length" zstart="TrackerEndcapOuterShell_zmin" />
+ thickness="2.0*mm" length="TrackerEndcapOuterShell_length" zstart="TrackerEndcapOuterShell_zmin" />
<support material="CarbonFiber" name="sup_cone" vis="TrackerSupportVis">
<shape type="Cone"
@@ -466,7 +466,7 @@ total X0 0.24% per disk layer （4 sectors per disk):
thickness="TrackerSupportCarbon_thickness" length="TrackerEndcapOuterShell_length" zstart="TrackerEndcapOuterShell_zmin" />
<support vis="TrackerSupportVis" material="Aluminum" name="sup_cylinder_service"
rmin="TrackerEndcapOuterShell_rmin+1.0*mm+TrackerSupportCarbon_thickness"
- thickness="8.0*mm" length="TrackerEndcapOuterShell_length" zstart="TrackerEndcapOuterShell_zmin" />
+ thickness="2.0*mm" length="TrackerEndcapOuterShell_length" zstart="TrackerEndcapOuterShell_zmin" />
<comment>the cone can not be reflected. need to flip z explicitly</comment>
<support material="CarbonFiber" name="sup_cone" vis="TrackerSupportVis">
<shape type="Cone"
--
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