The RD52 calorimeter uses the dual-readout principle to detect both electromagnetic and hadronic showers, as well las muons. ScintillationandCherenkovlightprovidethetwosignalswhich,in combination, allowforsuperiorhadronicperformance.Inthispaper,wereportondetailed,GEANT4 based MonteCarlosimulationsoftheperformanceofthisinstrument.Theresultsofthesesimulations are comparedingreatdetailtomeasurementsthathavebeencarriedoutandpublishedbytheDREAM Collaboration. Thiscomparisonmakesitpossibletounderstandsubtledetailsoftheshowerdevelop- ment inthisunusualparticledetector.Italsoallowsforpredictionsoftheimprovementinthe performance thatmaybeexpectedforlargerdetectorsofthistype.Thesestudiesalsorevealedsome inadequaciesintheGEANT4simulationpackages,especiallyforhadronicshowers,butalsoforthe Cherenkovsignalsfromelectromagneticshowers
Lessons from Monte Carlo simulations of the performance of a dual-readout fiber calorimeter
FRANCHINO, SILVIA;FRATERNALI, MARCO;GAUDIO, GABRIELLA;GENOVA, PABLO;LIVAN, MICHELE;
2014-01-01
Abstract
The RD52 calorimeter uses the dual-readout principle to detect both electromagnetic and hadronic showers, as well las muons. ScintillationandCherenkovlightprovidethetwosignalswhich,in combination, allowforsuperiorhadronicperformance.Inthispaper,wereportondetailed,GEANT4 based MonteCarlosimulationsoftheperformanceofthisinstrument.Theresultsofthesesimulations are comparedingreatdetailtomeasurementsthathavebeencarriedoutandpublishedbytheDREAM Collaboration. Thiscomparisonmakesitpossibletounderstandsubtledetailsoftheshowerdevelop- ment inthisunusualparticledetector.Italsoallowsforpredictionsoftheimprovementinthe performance thatmaybeexpectedforlargerdetectorsofthistype.Thesestudiesalsorevealedsome inadequaciesintheGEANT4simulationpackages,especiallyforhadronicshowers,butalsoforthe CherenkovsignalsfromelectromagneticshowersI documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
