TUnfoldBinning "generator" has 115 bins [1,116] nTH1x=115
  TUnfoldBinning "signal" has 25 bins [1,26] nTH1x=25
   distribution: 25 bins
    "ptgen" nbin=3 plus underflow plus overflow
    "etagen" nbin=3 plus underflow plus overflow
  TUnfoldBinning "background" has 90 bins [26,116] nTH1x=90
   distribution: 90 bins
    "ptrec" nbin=8 plus overflow
    "etarec" nbin=10