From 1c616ddee61c7849a2ce5d83af7f6659a56beb56 Mon Sep 17 00:00:00 2001
From: Zhenyu Ye <yezhenyu@EIC-SoLID.local>
Date: Mon, 24 May 2021 17:12:44 -0500
Subject: [PATCH] Update Barrel TOF

---
 compact/tof_barrel.xml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compact/tof_barrel.xml b/compact/tof_barrel.xml
index 5034a53..7473223 100644
--- a/compact/tof_barrel.xml
+++ b/compact/tof_barrel.xml
@@ -93,7 +93,7 @@
         <barrel_envelope inner_r="BarrelTOFRadius" outer_r="BarrelTOFRadius + 30.0*mm" z_length="BarrelTOFTotalLength +1.0*mm "/>
         <rphi_layout phi_tilt="0.17506" nphi="BarrelTOFModulesNPhi" phi0="0." rc="BarrelTOFRadius + 10.0 * mm" dr="0.0 * mm"/>
         <z_layout dr="4.0 * mm"
-                  z0="BarrelTOFLength/2 - BarrelTOFModuleLength/2"
+                  z0="(BarrelTOFLength - BarrelTOFModuleLength)/2"
                   nz="BarrelTOFModulesNZ"/>
       </layer>
     </detector>
-- 
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