shifted FIT geometry globally by 3 cm to take into account the alignm…

…ent survey from 12/2021
lbariogl · Oct 31, 2022 · acab5ed · acab5ed
1 parent aab4840
commit acab5ed
Show file tree

Hide file tree

Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/FIT/FITsim/AliFT0.h b/FIT/FITsim/AliFT0.h
@@ -57,7 +57,7 @@ class AliFT0 : public TNamed
   //   const int Nchannels = o2::ft0::Constants::sNCHANNELS_PM; // number of PM channels
   const int Nchannels = 208;                     // number of sensors
   const int Nsensors = 208;                      // number of sensors
-  const float ZdetA = 335.5;                     // Z position of center volume  on A side
+  const float ZdetA = 338.5;                     // Z position of center volume  on A side - adding 3 cm to 335.5 for 12/21 aliment
   const float ZdetC = 82;                        //  Z position of center volume on C side
   const float ChannelWidth = 13.02;              // channel width in ps
   const float ChannelWidthInverse = 0.076804916; // channel width in ps inverse

diff --git a/FIT/FITsim/AliFV0.cxx b/FIT/FITsim/AliFV0.cxx
@@ -42,7 +42,7 @@ AliFV0::AliFV0(EGeoType initType) :
   sXGlobal = 0;                         ///< Global x-position of the geometrical center of scintillators
   sYGlobal = 0;                         ///< Global y-position of the geometrical center of scintillators
                                                     // FT0 starts at z=328
-  sZGlobal = 320 - sDzScintillator / 2; ///< Global z-pos of geometrical center of scintillators
+  sZGlobal = 323.0 - sDzScintillator/2; ///< Global z-pos of geometrical center of scintillators - added  3 cm to 320.0. for 12/21 survey aliment
   sDxHalvesSeparation = 0;              ///< Separation between the left and right side of the detector
   sDyHalvesSeparation = 0;              ///< y-position of the right detector part relative to the left part
   sDzHalvesSeparation = 0;              ///< z-position of the right detector part relative to the left part