BllDecay.h

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#ifndef BLLDECAY_H
#define BLLDECAY_H
 
#include "DecayParent.h"
#include "General.h"
#include "DefaultConfig.h"
 
struct BllDecayCache {
    double G_F;
    double alpha_em;
    double m_mu;
    double m_e;
    double m_tau;
    double m_Bd;
    double m_Bs;
    double f_Bd;
    double f_Bs;
    double tau_Bd;
    double tau_Bs;
    complex_t lambda_d;
    complex_t lambda_s;
    double ys;
    double eta_BBS;
    double r_d;
    double r_s;
 
    complex_t C10_SM;
    complex_t C10;
    complex_t CQ1;
    complex_t CQ2;
    complex_t C10_m;
    complex_t CQ1_m;
    complex_t CQ2_m;
};
 
class BllDecay : public DecayParentConfigurable<DecayConfig> {
private:
    BllDecayCache cache;
 
protected:
    double BR_avg_Bq_ll(int q, int gen);
    double BR_untag_Bs_ll(int gen);
 
public:
    BllDecay(QCDOrder order, double matching_scale, double hadronic_scale, ObservablePortsConfig& ports) : DecayParentConfigurable(DecayMapper::to_id(Decays::B__l_l), matching_scale, hadronic_scale, order, ports) {
        this->w_config.groups = {GroupMapper::to_id(WGroup::B), GroupMapper::to_id(WGroup::BPrime), GroupMapper::to_id(WGroup::BScalar)};
        this->max_order = QCDOrder::NNLO;
    }
 
    void load_params() override;
    std::vector<ObservableValue> compute_observable(Observables obs) override;
    std::vector<ObservableValue> compute_observable(ObservableId obs) override;
};
 
#endif // __BLLDECAY_H__