message: Adding protection in case width used for Lorentz function is 0
  > set it to 1e-6, i.e. 1 keV
diff: @@ -340,6 +340,11 @@ Double_t AliDecayerExodus::Lorentz(Float_t mass, Double_t vmass, Double_t vwidth
  Double_t weight;
  + if( vwidth < 1e-6 ){
  + AliWarning(Form("Width = %f (Mass = %f) < 1e-6, set to 1e-6",vwidth,vmass));
  + vwidth = 1e-6;
  + }
  +
  weight = (vwidth*vwidth/4.0)/(vwidth*vwidth/4.0+(vmass-mass)*(vmass-mass));
  return weight;
  