include/EvtGenModels/EvtbTosllWilsCoeffNLO.hh

0001
0002 /***********************************************************************
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0020
0021 #ifndef EVTBTOSLLWILCNLO_HH
0022 #define EVTBTOSLLWILCNLO_HH
0023 class EvtComplex;
0024
0025 // Description: The calculation of the Wilson coefficients for
0026 //              b -> (d,s) ell+ ell-  transitions in the SM at NLO
0027 //              according to the paper:
0028 //                    A.J.Buras, M.Munz, Phys.Rev.D52, p.189 (1995).
0029
0030 class EvtbTosllWilsCoeffNLO {
0031   public:
0032     double As( double mu, int Nf, int ias );
0033     double Li2( double w );
0034
0035     double C1( double mu, double Mw, int Nf, int ias );
0036     double C2( double mu, double Mw, int Nf, int ias );
0037     double C3( double mu, double Mw, int Nf, int ias );
0038     double C4( double mu, double Mw, int Nf, int ias );
0039     double C5( double mu, double Mw, int Nf, int ias );
0040     double C6( double mu, double Mw, int Nf, int ias );
0041
0042     double A( double z );
0043     double B( double z );
0044     double C_Bur( double z );
0045     double D_Bur( double z );
0046     double E( double z );
0047     double F_Bur( double z );
0048     double Y( double z );
0049     double Z( double z );
0050
0051     double C7gamma( double mu, double Mw, double mt, int Nf, int ias );
0052
0053     double Pe( double eta );
0054     double P0ndr( double asW, double eta );
0055
0056     double C9v( double mu, double Mw, double mt, int Nf, int ias );
0057     double C10a( double mt, double Mw );
0058
0059     double Reh( double mu, double mQ, double q2 );
0060     double Imh( double mQ, double q2 );
0061
0062     double ReResonant( double q2, double GV, double GllV, double MV );
0063     double ImResonant( double q2, double GV, double GllV, double MV );
0064
0065     double ReHtot( int qflavour, int res_swch, int ias, int Nf, double mu,
0066                    double mQ, double q2, double ml, double Mw );
0067     double ImHtot( int qflavour, int res_swch, int ias, int Nf, double mu,
0068                    double mQ, double q2, double ml, double Mw );
0069
0070     double omega( double q2, double m2 );
0071
0072     double ReC9eff( int decay_id, int res_swch, int ias, int Nf, double q2,
0073                     double m2, double md, double mc, double mu, double mt,
0074                     double Mw, double ml, double Relambda_qu,
0075                     double Imlambda_qu );
0076     double ImC9eff( int decay_id, int res_swch, int ias, int Nf, double q2,
0077                     double m2, double md, double mc, double mu, double Mw,
0078                     double ml, double Relambda_qu, double Imlambda_qu );
0079
0080     EvtComplex GetC9Eff( int decay_id, int res_swch, int ias, int Nf, double q2,
0081                          double m2, double md, double mc, double mu, double mt,
0082                          double Mw, double ml, double Relambda_qu,
0083                          double Imlambda_qu );
0084     EvtComplex GetC10Eff( double mt, double Mw );
0085     EvtComplex GetC7Eff( double mu, double Mw, double mt, int Nf, int ias );
0086 };
0087
0088 #endif