DefineList Pi0
  decayMode pi0 -> gamma gamma
  daughterList Neutral
  daughterList Neutral
  histogram 0.11 0.16
  select Mass 0.02
End

DefineList EtacTo3Pi0
  decayMode eta_c -> pi0 pi0 pi0
  daughterList Pi0
  daughterList Pi0
  daughterList Pi0
  histogram 2.779 3.179
End