LEP2TwoFermions.h

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/* 
 * Copyright (C) 2012 HEPfit Collaboration
 *
 *
 * For the licensing terms see doc/COPYING.
 */
 
#ifndef LEP2TWOFERMIONS_H
#define LEP2TWOFERMIONS_H
 
#include "StandardModel.h"
 
class LEP2TwoFermions {
public:
 
    LEP2TwoFermions(const StandardModel& SM_i);
 
    
    
    double dsigma_l(const QCD::lepton l, const double mf, 
                    const double s, const double cosTheta,
                    const double Mw, const double GammaZ, const bool bWeak) const;
 
    double dsigma_q(const QCD::quark q, const double mf, 
                    const double s, const double cosTheta,
                    const double Mw, const double GammaZ, const bool bWeak) const;
 
    double dsigma_l_box(const QCD::lepton l, const double mf, 
                        const double s, const double cosTheta,
                        const double Mw, const double GammaZ) const;
      
    double dsigma_q_box(const QCD::quark q, const double mf, 
                        const double s, const double cosTheta,
                        const double Mw, const double GammaZ) const;
    
    double sigma_l(const QCD::lepton l, const double mf, const double s, 
                   const double Mw, const double GammaZ, const bool bWeak) const;
    
    double sigma_q(const QCD::quark q, const double mf, const double s, 
                   const double Mw, const double GammaZ, const bool bWeak) const;
 
    double AFB_l(const QCD::lepton l, const double mf, const double s, 
                 const double Mw, const double GammaZ, const bool bWeak) const;
    
    double AFB_q(const QCD::quark q, const double mf, const double s, 
                 const double Mw, const double GammaZ, const bool bWeak) const;
 
    double QCD_FSR_forSigma(const double s) const;
    
    double QCD_FSR_forAFB(const QCD::quark q, const double mf, 
                          const double s) const;
 
    double QED_FSR_forSigma(const double s, const double Qf) const;
    
    double H_ISR(const double x, const double s) const;
 
    double H_ISR_FB(const double x, const double s) const;
 
    double G_3prime_l(const QCD::lepton l, const double mf, 
                      const double s, const double Mw, const double GammaZ, 
                      const bool bWeak) const;
    
    double G_3prime_q(const QCD::quark q, const double mf, 
                      const double s, const double Mw, const double GammaZ, 
                      const bool bWeak) const;   
 
    
private:
 
    double alpha_at_s(const double s) const;
 
    double dsigma(const double s, const double cosTheta, 
                  const double Mw, const double GammaZ, 
                  const double I3f, const double Qf, const double mf,
                  const double mfp, const double Ncf, const bool bWeak) const;
 
    double dsigma_box(const double s, const double cosTheta, 
                      const double Mw, const double GammaZ, 
                      const double I3f, const double Qf, const double mf,
                      const double mfp, const double Ncf) const;
    
    double sigma(const double s, const double Mw, const double GammaZ, 
                 const double I3f, const double Qf, const double mf,
                 const double mfp, const double Ncf, const bool bWeak) const;
    
    double AFB(const double s, const double Mw, const double GammaZ, 
               const double I3f, const double Qf, const double mf,
               const double mfp, const bool bWeak) const;
    
    const StandardModel& SM;
    
};
 
#endif  /* LEP2TWOFERMIONS_H */