jets.hh

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#pragma once
 
#include <array>
#include <cmath>
#include <complex>
#include <ostream>
#include <vector>
 
#include "CLHEP/Vector/LorentzVector.h"
 
namespace HEJ {
namespace currents {
  using HLV = CLHEP::HepLorentzVector;
 
 
  double ME_qq(
    HLV const & p1out, HLV const & p1in,
    HLV const & p2out, HLV const & p2in
  );
 
 
  double ME_unob_qq(
    HLV const & pg,
    HLV const & p1out, HLV const & p1in,
    HLV const & p2out, HLV const & p2in
  );
 
 
  double ME_qqbar_qg(
    HLV const & pa, HLV const & pb,
    HLV const & p1, HLV const & p2, HLV const & p3
  );
 
 
  double ME_Cenqqbar_qq(
    HLV const & pa, HLV const & pb,
    std::vector<HLV> const & partons,
    bool qbar_first, std::size_t nabove
  );
} // namespace currents
} // namespace HEJ