message: tuned Geant4 sampling parameter
diff: @@ -692,9 +692,9 @@ void AliEMCALEMCGeometry::DefineSamplingFraction(const Text_t* mcname, const Tex
  else if(mcName.Contains("Fluka") ) samplingFactorTranportModel = 1.; // To be set
  else if(mcName.Contains("Geant4"))
  {
  - if ( mcTitle.Contains("EMV-EMCAL") ) samplingFactorTranportModel = 0.821; // EMC list but for EMCal, before 0.86
  + if ( mcTitle.Contains("EMV-EMCAL") ) samplingFactorTranportModel = 0.814640; // See Jira ALIROOT-7637
  else if( mcTitle.Contains("EMV") ) samplingFactorTranportModel = 1.096; // 0.906, 0.896 (OPT)
  - else samplingFactorTranportModel = 0.821; // 1.15 (CHIPS), 1.149 (BERT), 1.147 (BERT_CHIPS)
  + else samplingFactorTranportModel = 0.814640; // before 0.821; // 1.15 (CHIPS), 1.149 (BERT), 1.147 (BERT_CHIPS)
  }
  AliInfo(Form("MC modeler <%s>, Title <%s>: Sampling %2.3f, model fraction with respect to G3 %2.3f, final sampling %2.3f",
  