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diff --git a/include/HEJ/Hjets.hh b/include/HEJ/Hjets.hh
index 1486a70..f36e1d0 100644
--- a/include/HEJ/Hjets.hh
+++ b/include/HEJ/Hjets.hh
@@ -1,114 +1,111 @@
/**
* \authors The HEJ collaboration (see AUTHORS for details)
* \date 2019-2022
* \copyright GPLv2 or later
*/
/** \file
* \brief Functions computing the square of current contractions in H+Jets.
*
* This file contains all the H+Jet specific components to compute
- * the current contractions for valid HEJ processes, to form a full
- * H+Jets ME, currently one would have to use functions from the
- * jets.hh header also. We have FKL and also unordered components for
- * H+Jets.
+ * the current contractions for valid HEJ processes.
*/
#pragma once
#include "CLHEP/Vector/LorentzVector.h"
namespace HEJ {
namespace currents {
using HLV = CLHEP::HepLorentzVector;
/**
* @brief Square of gq->Hq current contraction
* @param ph Outgoing Higgs boson momentum
* @param pg Incoming gluon momentum
* @param pn Momentum of outgoing particle in FKL current
* @param pb Momentum of incoming particle in FKL current
* @param mt top mass (inf or value)
* @param inc_bottom whether to include bottom mass effects (true) or not (false)
* @param mb bottom mass (value)
* @param vev Higgs vacuum expectation value
*
* Calculates helicity-averaged || \epsilon_\mu V_H^{\mu\nu} j_\nu ||^2.
* See eq:S_gf_Hf in developer manual
*/
double ME_H_gq(
HLV const & ph, HLV const & pa,
HLV const & pn, HLV const & pb,
double mt, bool inc_bottom, double mb, double vev
);
/**
* @brief Square of qg -> gqH current contraction
* @param pg Outgoing (unordered) gluon momentum
* @param ph Outgoing quark momentum
* @param pa Incoming quark momentum
* @param ph Outgoing Higgs boson momentum
* @param pb Incoming gluon momentum
* @param mt top mass (inf or value)
* @param inc_bottom whether to include bottom mass effects (true) or not (false)
* @param mb bottom mass (value)
* @param vev Higgs vacuum expectation value
*
* Calculates helicity-averaged || j_{uno \mu} V_H^{\mu\nu} \epsilon_\nu ||^2.
* See eq:S_gf_Hf in developer manual
*/
double ME_juno_jgH(
HLV const & pg,
HLV const & p1, HLV const & pa,
HLV const & ph, HLV const & pb,
double mt, bool inc_bottom, double mb, double vev
);
//! Square of qQ->qHQ Higgs+Jets Scattering Current
/**
* @param p1out Momentum of final state quark
* @param p1in Momentum of initial state quark
* @param p2out Momentum of final state quark
* @param p2in Momentum of intial state quark
* @param qH1 Momentum of t-channel propagator before Higgs
* @param qH2 Momentum of t-channel propagator after Higgs
* @param mt Top quark mass
* @param include_bottom Specifies whether bottom corrections are included
* @param mb Bottom quark mass
* @param vev Vacuum expectation value
* @returns Square of the current contractions for qQ->qQ
*
* q~p1 Q~p2 (i.e. ALWAYS p1 for quark, p2 for quark)
* should be called with qH1 meant to be contracted with p2 in first part of
* vertex (i.e. if Q is backward, qH1 is forward)
*/
double ME_H_qQ(HLV const & p1out, HLV const & p1in,
HLV const & p2out, HLV const & p2in,
HLV const & qH1, HLV const & qH2,
double mt,
bool include_bottom, double mb, double vev);
//! Square of qQ->qQg Higgs+Jets Unordered b Scattering Current
/**
* @param pg Momentum of unordered b gluon
* @param p1out Momentum of final state quark
* @param p1in Momentum of initial state quark
* @param p2out Momentum of final state quark
* @param p2in Momentum of intial state quark
* @param qH1 Momentum of t-channel propagator before Higgs
* @param qH2 Momentum of t-channel propagator after Higgs
* @param mt Top quark mass
* @param include_bottom Specifies whether bottom corrections are included
* @param mb Bottom quark mass
* @param vev Vacuum expectation value
* @returns Square of the current contractions for qQ->qQg
*
* This construction is taking rapidity order: p1out >> p2out > pg
*/
double ME_H_unob_qQ(HLV const & pg, HLV const & p1out,
HLV const & p1in, HLV const & p2out,
HLV const & p2in, HLV const & qH1,
HLV const & qH2,
double mt,
bool include_bottom, double mb, double vev);
//! @}
} // namespace currents
} // namespace HEJ
diff --git a/include/HEJ/Wjets.hh b/include/HEJ/Wjets.hh
index 95333c7..41e7218 100644
--- a/include/HEJ/Wjets.hh
+++ b/include/HEJ/Wjets.hh
@@ -1,185 +1,182 @@
/**
* \authors The HEJ collaboration (see AUTHORS for details)
* \date 2019-2022
* \copyright GPLv2 or later
*/
/** \file
* \brief Functions computing the square of current contractions in W+Jets.
*
* This file contains all the W+Jet specific components to compute
- * the current contractions for valid HEJ processes, to form a full
- * W+Jets ME, currently one would have to use functions from the
- * jets.hh header also. We can calculate all subleading processes for
- * W+Jets.
+ * the current contractions for valid HEJ processes.
*/
#pragma once
#include <vector>
#include "CLHEP/Vector/LorentzVector.h"
namespace HEJ {
struct ParticleProperties;
namespace currents {
using HLV = CLHEP::HepLorentzVector;
//! Square of qQ->qenuQ W+Jets Scattering Current
/**
* @param p1out Momentum of final state quark
* @param plbar Momentum of final state anti-lepton
* @param pl Momentum of final state lepton
* @param p1in Momentum of initial state quark
* @param p2out Momentum of final state quark
* @param p2in Momentum of intial state quark
* @param wprop Mass and width of the W boson
* @returns Square of the current contractions for qQ->qenuQ
*
* This returns the square of the current contractions in qQ->qenuQ scattering
* with an emission of a W Boson off the quark q.
*/
double ME_W_qQ(HLV const & p1out,
HLV const & plbar, HLV const & pl,
HLV const & p1in,
HLV const & p2out, HLV const & p2in,
ParticleProperties const & wprop);
//! qQg Wjets Unordered backwards opposite leg to W
/**
* @param p1out Momentum of final state quark a
* @param p1in Momentum of initial state quark a
* @param p2out Momentum of final state quark b
* @param p2in Momentum of intial state quark b
* @param pg Momentum of final state unordered gluon
* @param plbar Momentum of final state anti-lepton
* @param pl Momentum of final state lepton
* @param wprop Mass and width of the W boson
* @returns Square of the current contractions for qQ->qQg Scattering
*
* This returns the square of the current contractions in qQg->qQg scattering
* with an emission of a W Boson.
*/
double ME_W_unob_qQ(HLV const & p1out, HLV const & p1in,
HLV const & p2out, HLV const & p2in, HLV const & pg,
HLV const & plbar, HLV const & pl,
ParticleProperties const & wprop);
//! W+uno same leg
/**
* @param p1out Momentum of final state quark a
* @param p1in Momentum of initial state quark a
* @param p2out Momentum of final state quark b
* @param p2in Momentum of intial state quark b
* @param pg Momentum of final state unordered gluon
* @param plbar Momentum of final state anti-lepton
* @param pl Momentum of final state lepton
* @param wprop Mass and width of the W boson
* @returns Square of the current contractions for qQ->qQg
*
* This returns the square of the current contractions in gqQ->gqQ scattering
* with an emission of a W Boson.
*/
double ME_Wuno_qQ(HLV const & p1out, HLV const & p1in,
HLV const & p2out, HLV const & p2in, HLV const & pg,
HLV const & plbar, HLV const & pl,
ParticleProperties const & wprop);
//! W+Extremal qqbar. qqbar+Q
/**
* @param pgin Momentum of initial state gluon
* @param pqbarout Momentum of final state anti-quark a
* @param plbar Momentum of final state anti-lepton
* @param pl Momentum of final state lepton
* @param pqout Momentum of final state quark a
* @param p2out Momentum of initial state anti-quark b
* @param p2in Momentum of final state gluon b
* @param wprop Mass and width of the W boson
* @returns Square of the current contractions for ->qqbarQ
*
* Calculates the square of the current contractions with extremal qqbar pair
* production. This is calculated through the use of crossing symmetry.
*/
double ME_WExqqbar_qqbarQ(HLV const & pgin, HLV const & pqbarout,
HLV const & plbar, HLV const & pl,
HLV const & pqout, HLV const & p2out,
HLV const & p2in,
ParticleProperties const & wprop);
//! W+Extremal qqbar. gg->qqbarg. qqbar on forwards leg, W emission backwards leg.
/**
* @param pa Momentum of initial state (anti-)quark
* @param pb Momentum of initial state gluon
* @param p1 Momentum of final state (anti-)quark (after W emission)
* @param p2 Momentum of final state anti-quark
* @param p3 Momentum of final state quark
* @param plbar Momentum of final state anti-lepton
* @param pl Momentum of final state lepton
* @param aqlinepa Is opposite extremal leg to qqbar a quark or antiquark line
* @param wprop Mass and width of the W boson
* @returns Square of the current contractions for gq->qqbarqW
*
* Calculates the square of the current contractions with extremal qqbar pair
* production. This is calculated via current contraction of existing
* currents. Assumes qqbar split from forwards leg, W emission from backwards
* leg. Switch input (pa<->pb, p1<->pn) if calculating forwards qqbar.
*/
double ME_W_Exqqbar_QQq(HLV const & pa, HLV const & pb, HLV const & p1,
HLV const & p2, HLV const & p3,
HLV const & plbar, HLV const & pl, bool aqlinepa,
ParticleProperties const & wprop);
//! W+Jets qqbarCentral. qqbar W emission.
/**
* @param pa Momentum of initial state particle a
* @param pb Momentum of initial state particle b
* @param pl Momentum of final state lepton
* @param plbar Momentum of final state anti-lepton
* @param partons Vector of outgoing parton momenta
* @param aqlinepa True= pa is anti-quark
* @param aqlinepb True= pb is anti-quark
* @param qqbar_marker Ordering of the qqbar pair produced (q-qbar vs qbar-q)
* @param nabove Number of lipatov vertices "above" qqbar pair
* @param wprop Mass and width of the W boson
* @returns Square of the current contractions for qq>qQQbarWq
*
* Calculates the square of the current contractions with extremal qqbar pair
* production. This is calculated through the use of crossing symmetry.
*/
double ME_WCenqqbar_qq(HLV const & pa, HLV const & pb,
HLV const & pl, HLV const & plbar,
std::vector<HLV> const & partons,
bool aqlinepa, bool aqlinepb, bool qqbar_marker,
int nabove,
ParticleProperties const & wprop);
//! W+Jets qqbarCentral. W emission from backwards leg.
/**
* @param pa Momentum of initial state particle a
* @param pb Momentum of initial state particle b
* @param pl Momentum of final state lepton
* @param plbar Momentum of final state anti-lepton
* @param partons outgoing parton momenta
* @param aqlinepa True= pa is anti-quark
* @param aqlinepb True= pb is anti-quark
* @param qqbar_marker Ordering of the qqbar pair produced (q-qbar vs qbar-q)
* @param nabove Number of lipatov vertices "above" qqbar pair
* @param nbelow Number of lipatov vertices "below" qqbar pair
* @param forwards Swap to emission off front leg
* TODO: remove so args can be const
* @param wprop Mass and width of the W boson
* @returns Square of the current contractions for qq>qQQbarWq
*
* Calculates the square of the current contractions with extremal qqbar pair
* production. This is calculated through the use of crossing symmetry.
*/
double ME_W_Cenqqbar_qq(HLV pa, HLV pb,
HLV pl, HLV plbar,
std::vector<HLV> partons,
bool aqlinepa, bool aqlinepb, bool qqbar_marker,
int nabove, int nbelow, bool forwards,
ParticleProperties const & wprop);
} // namespace currents
} // namespace HEJ

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