//
// Float_t hlenQbt1 = 5.5/2.;
//
-// Pipe outside central region (non-absober side)
- Float_t hlenQbab = 157.5;
+// Pipe outside central region (non-absorber side)
+ Float_t hlenQbab = 157.5 + 23./2.;
//
// Flange non-absorber side
Float_t hlenQb29 = 11.5/2.+1.75 + 5.0;