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Add new activation option for DC5 (build-up + ActivationBuildup) #114

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Add new activation option for DC5 (build-up + ActivationBuildup) #114

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bdd0cb7
Add decay mode build-up and save activation constant
GallegoSav Mar 4, 2026
dc800ce
Add decay mode for buildup and save activation
GallegoSav Mar 4, 2026
a50595b
Add handling for particle decay modes and future events
GallegoSav Mar 4, 2026
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2 changes: 2 additions & 0 deletions src/cosima/inc/MCParameterFile.hh
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Original file line number Diff line number Diff line change
Expand Up @@ -156,6 +156,8 @@ public:
static const int c_DecayModeActivationBuildUp;
/// The decay mode delayed decay for 2-stage activation simulations
static const int c_DecayModeActivationDelayedDecay;
/// The decay mode build-up + buildup for 2-stage activation simulations
static const int c_DecayModeBuildUpAndSaveActivation;

/// Pretriggering is off
static const int c_PreTriggerEverything;
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3 changes: 3 additions & 0 deletions src/cosima/src/MCParameterFile.cc
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Expand Up @@ -43,6 +43,7 @@ const int MCParameterFile::c_DecayModeIgnore = 1;
const int MCParameterFile::c_DecayModeBuildUp = 2;
const int MCParameterFile::c_DecayModeActivationBuildUp = 3;
const int MCParameterFile::c_DecayModeActivationDelayedDecay = 4;
const int MCParameterFile::c_DecayModeBuildUpAndSaveActivation = 5;

const int MCParameterFile::c_PreTriggerEverything = 0;
const int MCParameterFile::c_PreTriggerEveryEventWithHits = 1;
Expand Down Expand Up @@ -320,6 +321,8 @@ bool MCParameterFile::Parse()
m_DecayMode = c_DecayModeNormal;
} else if (Mode == "buildup" || Mode == "build-up") {
m_DecayMode = c_DecayModeBuildUp;
} else if (Mode == "buildupandsave") {
m_DecayMode = c_DecayModeBuildUpAndSaveActivation;
} else if (Mode == "ignore") {
m_DecayMode = c_DecayModeIgnore;
} else if (Mode == "activationbuildup") {
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25 changes: 24 additions & 1 deletion src/cosima/src/MCSteppingAction.cc
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Expand Up @@ -912,7 +912,30 @@ void MCSteppingAction::UserSteppingAction(const G4Step* Step)
DoNotStart = true;
}
}
}
} else if (m_DecayMode == MCParameterFile::c_DecayModeBuildUpAndSaveActivation) {
if (IsInitialParticleFromBuildUpSource == true) {
// Simulate primaries now:
Keep = true;
Store = false;
FutureEvent = false;
DoNotStart = false;
} else {
// Delay secondary decays to the future:
if (TimeDelay > m_DetectorTimeConstant) {
Keep = false;
Store = true;
FutureEvent = true;
DoNotStart = false;
} else {
Keep = true;
Store = false;
FutureEvent = false;
DoNotStart = false;
}
}


}
//cout<<" P:"<<int(IsPrimaryDecay)<<" K:"<<int(Keep)<<" S:"<<int(Store)<<" F:"<<int(FutureEvent)<<endl;
//cout<<"Handling: "<<dynamic_cast<G4Ions*>(Track->GetDefinition())->GetParticleName()<<endl;

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