Update mTOF v2b geometry to match z-position in the mCBM cave, refs #1599

setup/setup_mcbm_beam_2020_03.C

@@ -58,7 +58,7 @@ void setup_mcbm_beam_2020_03()
   TString muchGeoTag      = "v20a_mcbm";    // 2 layers
   TString trdGeoTag       = "v20a_mcbm";    // 2020 // 1 TRD module
 //  TString trdGeoTag       = "v18q_mcbm";    // 2018 // 2 TRD modules 
-  TString tofGeoTag       = "v20a_mcbm";    // 
+  TString tofGeoTag       = "v20b_mcbm";    // corrected z position
   TString richGeoTag      = "v20b_mcbm";    // geometry provided by RICH group
   TString psdGeoTag       = "v18d_mcbm";    // at 25 degree, below the beampipe
   // ------------------------------------------------------------------------

tof/tof_v20b_mcbm.geo.info

@@ -2,7 +2,7 @@
 ##   tof_v20b_mcbm information file
 #
 
-# created 20200513
+# created 20200525
 
 # TOF setup