- Bool_t IsPhoton (const char* purity = "low") const;
- Bool_t IsPi0 (const char* purity = "low") const;
- Bool_t IsElectron (const char* purity = "low") const;
+ Bool_t IsPhoton (TString purity = "low") const;
+ Bool_t IsPi0 (TString purity = "low") const;
+ Bool_t IsElectron (TString purity = "low") const;