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Add option to control printing of Pythia banner #41405

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Apr 28, 2023
Merged

Add option to control printing of Pythia banner #41405

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10 changes: 8 additions & 2 deletions GeneratorInterface/Pythia8Interface/src/Py8InterfaceBase.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -70,9 +70,15 @@ namespace gen {
}

bool Py8InterfaceBase::readSettings(int) {
//Pythia 8's default value for first argument to constructor
const string xmlDir = "../share/Pythia8/xmldoc";
bool printBanner = true;
if (fParameters.exists("printBanner")) {
printBanner = fParameters.getUntrackedParameter<bool>("printBanner");
}
if (!fMasterGen.get())
fMasterGen = std::make_unique<Pythia>();
fDecayer = std::make_unique<Pythia>();
fMasterGen = std::make_unique<Pythia>(xmlDir, printBanner);
fDecayer = std::make_unique<Pythia>(xmlDir, printBanner);

//add settings for resonance decay filter
fMasterGen->settings.addFlag("BiasedTauDecayer:filter", false);
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