xsection.hpp

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#pragma once
#include <complex>

#include "parameters.hpp"

namespace QQbar_threshold{
  typedef std::complex<double> complex;


  double ttbar_xsection(
      double sqrt_s, scales mu, top_properties M, order o,
      options opt = top_options()
  );

  double ttbar_xsection(
      double sqrt_s, double mu, top_properties M, order o,
      options opt = top_options()
  );

  double bbbar_xsection(
      double sqrt_s, double mu, double m, order o,
      options opt = bottom_options()
  );


  double ttbar_threshold(
      double mu, double m, order o,
      options opt = top_options()
  );


  double bbbar_threshold(
      double mu, double m, order o,
      options opt = bottom_options()
  );

  template<typename T>
  inline double ttbar_xsection(
      T thr_expr, scales mu, top_properties M, order o,
      options opt = top_options()
  ){
    return ttbar_xsection(
    thr_expr.value(ttbar_threshold(mu.soft, M.m, o, opt)),
    mu, M, o, opt
    );
  }
  template<typename T>
  inline double ttbar_xsection(
      T thr_expr, double mu, top_properties M, order o,
      options opt = top_options()
  ){
    return ttbar_xsection(
    thr_expr.value(ttbar_threshold(mu, M.m, o, opt)),
    mu, M, o, opt
    );
  }

  template<typename T>
  inline double bbbar_xsection(
      T thr_expr, scales mu, double m, order o,
      options opt = bottom_options()
  ){
    return bbbar_xsection(
    thr_expr.value(bbbar_threshold(mu.soft, m, o, opt)),
    mu, m, o, opt
    );
  }
  template<typename T>
  inline double bbbar_xsection(
      T thr_expr, double mu, double m, order o,
      options opt = bottom_options()
  ){
    return bbbar_xsection(
    thr_expr.value(bbbar_threshold(mu, m, o, opt)),
    mu, m, o, opt
    );
  }


  double bbbar_R_ratio(
      double sqrt_s, double mu, double m, order o,
      options opt = bottom_options()
  );


  double ttbar_R_ratio(
      double sqrt_s, scales mu, top_properties M, order o,
      options opt = top_options()
  );

  double ttbar_R_ratio(
      double sqrt_s, double mu, top_properties M, order o,
      options opt = top_options()
  );

  template<typename T>
  inline double bbbar_R_ratio(
      T thr_expr, scales mu, double m, order o,
      options opt = bottom_options()
  ){
    return bbbar_R_ratio(
    thr_expr.value(bbbar_threshold(mu.soft, m, o, opt)),
    mu, m, o, opt
    );
  }
  template<typename T>
  inline double bbbar_R_ratio(
      T thr_expr, double mu, double m, order o,
      options opt = bottom_options()
  ){
    return bbbar_R_ratio(
    thr_expr.value(bbbar_threshold(mu, m, o, opt)),
    mu, m, o, opt
    );
  }

  template<typename T>
  inline double ttbar_R_ratio(
      T thr_expr, scales mu, top_properties M, order o,
      options opt = top_options()
  ){
    return ttbar_R_ratio(
    thr_expr.value(ttbar_threshold(mu.soft, M.m, o, opt)),
    mu, M, o, opt
    );
  }
  template<typename T>
  inline double ttbar_R_ratio(
      T thr_expr, double mu, top_properties M, order o,
      options opt = top_options()
  ){
    return ttbar_R_ratio(
    thr_expr.value(ttbar_threshold(mu, M.m, o, opt)),
    mu, M, o, opt
    );
  }

}