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EM Cocktail: json files + Exodus (#15)
* Adding GeneratorSpectator: generator for spectator protons (#9) * Adding a test macro for GeneratorSpectators * Set pmax in def. constructor to avoid infinite loop in generation + small fixes * add GeneratorParamEMlib for LMee simulations (methods from AliGenEMlib) (#10) * Use VMC standalone if found * account for VMC standalone * implemented .json file format for parametrization files * added Exodus decayer * bugfix Exodus, updated use of PythiaDecayerConfig in GeneratorParam --------- Co-authored-by: Chiara <[email protected]> Co-authored-by: ffionda <[email protected]> Co-authored-by: Benedikt Volkel <[email protected]>
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| #ifndef EXODUSDECAYER_H | ||
| #define EXODUSDECAYER_H | ||
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| // Copyright CERN and copyright holders of ALICE O2. This software is | ||
| // distributed under the terms of the GNU General Public License v3 (GPL | ||
| // Version 3), copied verbatim in the file "COPYING". | ||
| // | ||
| // See http://alice-o2.web.cern.ch/license for full licensing information. | ||
| // | ||
| // In applying this license CERN does not waive the privileges and immunities | ||
| // granted to it by virtue of its status as an Intergovernmental Organization | ||
| // or submit itself to any jurisdiction. | ||
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| //--------------------------------------------------------------------------------------------------- | ||
| // | ||
| // Generate electron-pair mass distributions for Dalitz decays according | ||
| // to the Kroll-Wada parametrization: N. Kroll, W. Wada: Phys. Rev 98(1955)1355 | ||
| // and generate electron-pair mass distributions for resonances according | ||
| // to the Gounaris-Sakurai parametrization: G.J. Gounaris, J.J. Sakurai: Phys.Rev.Lett. 21(1968)244 | ||
| // | ||
| // For the electromagnetic form factor the parameterization from | ||
| // Lepton-G is used: L.G. Landsberg et al.: Phys. Rep. 128(1985)301 | ||
| // | ||
| // Ralf Averbeck ([email protected]) | ||
| // Irem Erdemir ([email protected]) | ||
| // | ||
| // adapted for O2: Daniel Samitz ([email protected]) | ||
| // | ||
| //--------------------------------------------------------------------------------------------------- | ||
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| #include "TVirtualMCDecayer.h" | ||
| #include <TLorentzVector.h> | ||
| #include <TF1.h> | ||
| #include <TH1.h> | ||
| #include "TDatabasePDG.h" | ||
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| //class TH1F; | ||
| //class TClonesArray; | ||
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| class ExodusDecayer : public TVirtualMCDecayer | ||
| { | ||
| public: | ||
| ExodusDecayer(); | ||
| virtual ~ExodusDecayer(); | ||
| virtual void Init(); | ||
| virtual void Decay(Int_t idpart,TLorentzVector* pparent); | ||
| virtual Int_t ImportParticles(TClonesArray *particles) {return -1;} | ||
| virtual void SetForceDecay(Int_t) {;} | ||
| virtual void ForceDecay() {;} | ||
| virtual Float_t GetPartialBranchingRatio(Int_t /*ipart*/) {return -1;} | ||
| virtual Float_t GetLifetime(Int_t /*kf*/) {return -1;} | ||
| virtual void ReadDecayTable() {;} | ||
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| virtual TH1F* ElectronPairMassHistoPion() {return fEPMassPion;} | ||
| virtual TH1F* ElectronPairMassHistoEta() {return fEPMassEta;} | ||
| virtual TH1F* ElectronPairMassHistoEtaPrime() {return fEPMassEtaPrime;} | ||
| virtual TH1F* ElectronPairMassHistoEtaPrime_toOmega() {return fEPMassEtaPrime_toOmega;} | ||
| virtual TH1F* ElectronPairMassHistoRho() {return fEPMassRho;} | ||
| virtual TH1F* ElectronPairMassHistoOmega() {return fEPMassOmega;} | ||
| virtual TH1F* ElectronPairMassHistoOmegaDalitz() {return fEPMassOmegaDalitz;} | ||
| virtual TH1F* ElectronPairMassHistoPhi() {return fEPMassPhi;} | ||
| virtual TH1F* ElectronPairMassHistoPhiDalitz() {return fEPMassPhiDalitz;} | ||
| virtual TH1F* ElectronPairMassHistoPhiDalitz_toPi0() {return fEPMassPhiDalitz_toPi0;} | ||
| virtual TH1F* ElectronPairMassHistoJPsi() {return fEPMassJPsi;} | ||
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| virtual const TLorentzVector* Products_pion() const {return fProducts_pion;} | ||
| virtual const TLorentzVector* Products_eta() const {return fProducts_eta;} | ||
| virtual const TLorentzVector* Products_etaprime() const {return fProducts_etaprime;} | ||
| virtual const TLorentzVector* Products_etaprime_toOmega() const {return fProducts_etaprime_toOmega;} | ||
| virtual const TLorentzVector* Products_rho() const {return fProducts_rho;} | ||
| virtual const TLorentzVector* Products_omega() const {return fProducts_omega;} | ||
| virtual const TLorentzVector* Products_omega_dalitz() const {return fProducts_omega_dalitz;} | ||
| virtual const TLorentzVector* Products_phi() const {return fProducts_phi;} | ||
| virtual const TLorentzVector* Products_phi_dalitz() const {return fProducts_phi_dalitz;} | ||
| virtual const TLorentzVector* Products_phi_dalitz_toPi0() const {return fProducts_phi_dalitz_toPi0;} | ||
| virtual const TLorentzVector* Products_jpsi() const {return fProducts_jpsi;} | ||
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| protected: | ||
| // Histograms for electron pair mass | ||
| TH1F* fEPMassPion; | ||
| TH1F* fEPMassEta; | ||
| TH1F* fEPMassEtaPrime; | ||
| TH1F* fEPMassEtaPrime_toOmega; | ||
| TH1F* fEPMassRho; | ||
| TH1F* fEPMassOmega; | ||
| TH1F* fEPMassOmegaDalitz; | ||
| TH1F* fEPMassPhi; | ||
| TH1F* fEPMassPhiDalitz; | ||
| TH1F* fEPMassPhiDalitz_toPi0; | ||
| TH1F* fEPMassJPsi; | ||
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| TF1* fPol; | ||
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| // Decay products | ||
| TLorentzVector fProducts_pion[3]; | ||
| TLorentzVector fProducts_eta[3]; | ||
| TLorentzVector fProducts_etaprime[3]; | ||
| TLorentzVector fProducts_etaprime_toOmega[3]; | ||
| TLorentzVector fProducts_rho[2]; | ||
| TLorentzVector fProducts_omega[2]; | ||
| TLorentzVector fProducts_omega_dalitz[3]; | ||
| TLorentzVector fProducts_phi[2]; | ||
| TLorentzVector fProducts_phi_dalitz[3]; | ||
| TLorentzVector fProducts_phi_dalitz_toPi0[3]; | ||
| TLorentzVector fProducts_jpsi[2]; | ||
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| Bool_t fInit; | ||
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| private: | ||
| Double_t GounarisSakurai(Float_t mass, Double_t vmass, Double_t vwidth, Double_t emass); | ||
| Double_t RhoShapeFromNA60(Float_t mass, Double_t vmass, Double_t vwidth, Double_t emass); | ||
| Double_t Lorentz(Float_t mass, Double_t vmass, Double_t vwidth); | ||
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| ClassDef(ExodusDecayer, 1) | ||
| }; | ||
| #endif |
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