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EvtGen  2.0.0
Monte Carlo generator of particle decays, in particular the weak decays of heavy flavour particles such as B mesons.
Evtbs2llGammaFFMNT.hh
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20 
21 #ifndef EVTBS2LLGAMMAFFMNT_HH
22 #define EVTBS2LLGAMMAFFMNT_HH
23 
25 
26 class EvtId;
27 
28 class EvtComplex;
29 
30 // Description: Form factors for rare radiative leptonic B-decays
31 // according to the papers:
32 // 1) F.Kruger, D.Melikhov, Phys. Rev. D67, 034002, 2003.
33 // 2) D.Melikhov, N.Nikitin, Phys. Rev. D70, 114028, 2004.
34 // 3) I.Balakireva, D.Melikhov, N.Nikitin, D.Tlisov,
35 // e-Print: arXiv:0911.0605 [hep-ph].
36 // Description: Form-factors for B_q -> gamma transitions, q={d,s}
37 // according to the papers:
38 // 1) F.Kruger, D.Melikhov, Phys. Rev. D67, 034002, 2003.
39 // 2) D.Melikhov, N.Nikitin, Phys. Rev. D70, 114028, 2004.
40 // 3) I.Balakireva, D.Melikhov, N.Nikitin, D.Tlisov,
41 // Phys. Rev. D81, 054024, 2010.
42 
44  public:
46 
47  void getPhotonFF( int decay_id, double fb, EvtId parent, double q2,
48  double M1, double mb, double mq, EvtComplex c7gam,
49  EvtComplex a1, EvtComplex lambda_qu, EvtComplex lambda_qc,
50  EvtComplex& Fv, EvtComplex& Fa, EvtComplex& Ftv,
51  EvtComplex& Fta ) override;
52 
53  double getQuarkMass( int i ) override;
54 };
55 
56 #endif
void getPhotonFF(int decay_id, double fb, EvtId parent, double q2, double M1, double mb, double mq, EvtComplex c7gam, EvtComplex a1, EvtComplex lambda_qu, EvtComplex lambda_qc, EvtComplex &Fv, EvtComplex &Fa, EvtComplex &Ftv, EvtComplex &Fta) override
const double a1
double getQuarkMass(int i) override
Definition: EvtId.hh:27