EvtBToDiBaryonlnupQCDFF.hh

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#ifndef EVTBTODIBARYONLNUPQCDFF_HH
#define EVTBTODIBARYONLNUPQCDFF_HH
 
class EvtParticle;
#include <vector>
 
// Description: Module for computation of B->ppbar form factors according
// to pQCD counting rules, see arXiv:1107.0801.
 
class EvtBToDiBaryonlnupQCDFF {
  public:
    class FormFactors final {
      public:
        double m_F1, m_F2, m_F3, m_F4, m_F5;
        double m_G1, m_G2, m_G3, m_G4, m_G5;
    };
 
    EvtBToDiBaryonlnupQCDFF();
 
    EvtBToDiBaryonlnupQCDFF( std::vector<double>& DParameters );
 
    void getDiracFF( EvtParticle* parent, double dibaryonMass,
                     EvtBToDiBaryonlnupQCDFF::FormFactors& FF ) const;
 
    void getRaritaFF( EvtParticle* parent, double dibaryonMass,
                      EvtBToDiBaryonlnupQCDFF::FormFactors& FF ) const;
 
    void getFF( EvtParticle* parent, double dibaryonMass,
                EvtBToDiBaryonlnupQCDFF::FormFactors& FF ) const;
 
  private:
    std::vector<double> m_DPars;
    int m_nDPars;
};
 
#endif