TString randomseed = TString::Format("Random:seed = %ld",time);
   pythia8->ReadString("Main:timesAllowErrors = 10000");
   pythia8->ReadString("Random:setSeed = true");
   pythia8->ReadString(randomseed.Data());
   pythia8->ReadString("ParticleDecays:limitTau0 = on");
   pythia8->ReadString("ParticleDecays:tauMax = 10");
   pythia8->ReadString("HardQCD:all = on");
   //pythia8->ReadString("PhaseSpace:pTHatMin = 50.");
   pythia8->ReadString("Tune:pp 2");
   pythia8->ReadString("Tune:ee 3");

-- GunmoRyu - 28 Sep 2011