(maybe) temporarily move the OT services to 71cm, to make space for the air tube at 3cm extrusion, since the outermost staves extrude that far. Also make max outer radius back to 2.5cm for the ML

Author: JustusRudolph

Detectors/Upgrades/ALICE3/TRKFT3/FT3/simulation/src/FT3Layer.cxx

@@ -425,7 +425,7 @@ void FT3Layer::createLayer(TGeoVolume* motherVolume)
     // but don't cross out of max nominal radii of 38.5cm & 71.5cm respectively (3.5cm tolerance)
     // Allow 3, 9cm outward, inward for OT:
     double innerRadiusForAirTube =  mIsMiddleLayer ? mInnerRadius : mInnerRadius - 9.0;
-    double outerRadiusForAirTube = mIsMiddleLayer ? mOuterRadius + 2.0 : mOuterRadius + 3.0;
+    double outerRadiusForAirTube = mIsMiddleLayer ? mOuterRadius + 2.5 : mOuterRadius + 3.0;
     // MvL: try 70.5 // 2.5 cm tolerance instead
     TGeoTube* layer = new TGeoTube(innerRadiusForAirTube - 0.2, outerRadiusForAirTube,
                                    z_layer_thickness / 2);

Detectors/Upgrades/ALICE3/TRKFT3/TRK/simulation/src/TRKServices.cxx

@@ -995,7 +995,7 @@ void TRKServices::createOTServicesPeacock(TGeoVolume* motherVolume)
   float zLengthOuterBarrelTubeServices = 215.f;                   // cm, IA, May 11, 2026: temporary length (?)
 
   // geometry of service "tubes" for OT disks
-  float rMinOuterDiskServices = 70.5f;    // cm
+  float rMinOuterDiskServices = 71.f;    // cm
   float zStartOuterDiskServices = 149.f;  // cm
   float zLengthOuterDiskServices = 201.f; // cm