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TPC_MC_anchoring_simple: Added per region relative gas gain to simulate the change in the voltage settings of GEMs #14900

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TPC_MC_anchoring_simple: Added per region relative gas gain to simulate the change in the voltage settings of GEMs #14900

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1 change: 1 addition & 0 deletions Detectors/TPC/base/include/TPCBase/ParameterGEM.h
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Original file line number Diff line number Diff line change
Expand Up @@ -54,6 +54,7 @@ struct ParameterGEM : public o2::conf::ConfigurableParamHelper<ParameterGEM> {
float AbsoluteGain[4] = {14.f, 8.f, 53.f, 240.f}; ///< Absolute gain
float CollectionEfficiency[4] = {1.f, 0.2f, 0.25f, 1.f}; ///< Collection efficiency
float ExtractionEfficiency[4] = {0.65f, 0.55f, 0.12f, 0.6f}; ///< Extraction efficiency
float RelativeGainStack[4] = {1.f, 1.f, 1.f, 1.f}; ///< Relative gain of the stack per region (IROC, OROC1, OROC2, OROC3) for the EffectiveMode
float TotalGainStack = 2000.f; ///< Total gain of the stack for the EffectiveMode
float KappaStack = 1.205f; ///< Variable steering the energy resolution of the full stack for the EffectiveMode
float EfficiencyStack = 0.528f; ///< Variable steering the single electron efficiency of the full stack for the EffectiveMode
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4 changes: 3 additions & 1 deletion Detectors/TPC/simulation/include/TPCSimulation/GEMAmplification.h
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Expand Up @@ -118,8 +118,10 @@ inline int GEMAmplification::getStackAmplification(const CRU& cru, const PadPos&
break;
}
case AmplificationMode::EffectiveMode: {
const int region = static_cast<int>(cru.gemStack());
const float relativeGain = mGEMParam->RelativeGainStack[region];
return static_cast<int>(static_cast<float>(getEffectiveStackAmplification(nElectrons)) *
mGainMap->getValue(cru, pos.getRow(), pos.getPad()));
mGainMap->getValue(cru, pos.getRow(), pos.getPad()) * relativeGain);
break;
}
}
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