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I want to use the SetScintillationByParticleType function, but every time I run it I get an error
G4VModularPhysicsList* physicsList = new FTFP_BERT_HP;
physicsList->ReplacePhysics(new G4EmStandardPhysics_option4());
G4OpticalPhysics* opticalPhysics = new G4OpticalPhysics();
opticalPhysics->SetScintillationByParticleType(kALPHASCINTILLATIONYIELD);
physicsList->RegisterPhysics(opticalPhysics);
runManager->SetUserInitialization(physicsList);