The HardBranching class is designed to contain the information needed for an individual branching in the POWHEG approach. More...

#include <HardBranching.h>

Inheritance diagram for Herwig::HardBranching:

[legend]

Public Types
enum	Status { Outgoing =0 , Incoming , Decay }
	Enum for the status. More...

Public Types inherited from ThePEG::Pointer::ReferenceCounted
typedef unsigned int	CounterType

Public Member Functions
	HardBranching (ShowerParticlePtr particle, SudakovPtr sudakov, tHardBranchingPtr parent, Status status)
	The default constructor.

void	addChild (HardBranchingPtr child)
	Add a child of the branching.

void	clearChildren ()
	Clear the children.

void	setMomenta (LorentzRotation R, double alpha, Lorentz5Momentum pt, bool setMomentum=true)
	Set the momenta of the particles.

tShowerParticlePtr	branchingParticle () const
	Set and get members for the private member variables.

void	branchingParticle (ShowerParticlePtr in)
	Set the branching particle.

const Lorentz5Momentum &	original () const
	Get the original momentum.

void	original (const Lorentz5Momentum &in)
	Set the original momentum.

const Lorentz5Momentum &	pVector () const
	Get the p reference vector.

void	pVector (const Lorentz5Momentum &in)
	Set the p reference vector.

const Lorentz5Momentum &	nVector () const
	Get the n reference vector.

void	nVector (const Lorentz5Momentum &in)
	Set the n reference vector.

const Lorentz5Momentum &	qPerp () const
	Get the transverse momentum vector.

void	qPerp (const Lorentz5Momentum &in)
	Set the transverse momentum vector.

const Lorentz5Momentum &	showerMomentum () const
	Get the momentum the particle should have as the start of a shower.

void	showerMomentum (const Lorentz5Momentum &in)
	Set the momentum the particle should have as the start of a shower.

Energy	pT () const
	Get the transverse momentum.

void	pT (Energy in)
	Set the transverse momentum.

double	x_frac () const
	Get the fraction of beam momentum x.

void	x_frac (double x)
	Set the fraction of beam momentum x.

Status	status () const
	Get whether the branching is incoming, outgoing or decay.

void	status (Status in)
	Set whether the branching is incoming, outgoing or decay.

tHardBranchingPtr	parent () const
	The parent of the branching.

void	parent (tHardBranchingPtr in)
	Set the parent of the branching.

SudakovPtr	sudakov () const
	The Sudakov form-factor.

void	sudakov (SudakovPtr in)
	The Sudakov form-factor.

PPtr	beam () const
	Get the beam particle.

void	beam (PPtr in)
	Set the beam particle.

vector< HardBranchingPtr > &	children ()
	The children.

Energy	scale () const
	Information on the Shower variables for the branching.

void	scale (Energy in)
	The evolution scale.

double	z () const
	The energy fraction.

void	z (double in)
	The energy fraction.

double	phi () const
	The azimthual angle.

void	phi (double in)
	The azimthual angle.

tHardBranchingPtr	colourPartner () const
	Colour partners.

void	colourPartner (tHardBranchingPtr in)
	The colour partner of the branching.

ShowerPartnerType	type () const
	Type of branching.

void	type (ShowerPartnerType in)
	Type of branching.

Public Member Functions inherited from ThePEG::Base
void	debug () const

virtual void	debugme () const

Public Member Functions inherited from ThePEG::Pointer::ReferenceCounted
CounterType	referenceCount () const

Private Attributes
ShowerParticlePtr	_particle
	The branching particle.

Lorentz5Momentum	_original
	The rescaled momentum.

Lorentz5Momentum	_p
	The \(p\) reference vector.

Lorentz5Momentum	_n
	The \(n\) reference vector.

Lorentz5Momentum	_qt
	The transverse momentum vector.

Lorentz5Momentum	_shower
	The momentum the particle should have as the start of a shower.

Energy	_pt
	The transverse momentum.

double	_x_frac
	The beam momentum fraction carried by an incoming parton x.

Status	_status
	Whether the branching is incoming, outgoing or a decay.

Energy	_scale
	Information on the Shower variables for the branching.

double	_z
	The energy fraction.

double	_phi
	The azimthual angle.

tHardBranchingPtr	_parent
	The parent of the branching.

SudakovPtr	_sudakov
	The Sudakov form-factor.

vector< HardBranchingPtr >	_children
	The children.

PPtr	_beam
	The beam particle.

tHardBranchingPtr	_partner
	The colour partner.

ShowerPartnerType	type_
	The type of branching.

Friends
class	HardTree
	The HardTree is friend.

Additional Inherited Members
Static Public Member Functions inherited from ThePEG::Base
static void	Init ()

Public Attributes inherited from ThePEG::Pointer::ReferenceCounted
const unsigned long	uniqueId

Protected Member Functions inherited from ThePEG::Pointer::ReferenceCounted
	ReferenceCounted (const ReferenceCounted &)

ReferenceCounted &	operator= (const ReferenceCounted &)

Detailed Description

The HardBranching class is designed to contain the information needed for an individual branching in the POWHEG approach.

Definition at line 23 of file HardBranching.h.

Member Enumeration Documentation

◆ Status

enum Herwig::HardBranching::Status

Enum for the status.

Definition at line 35 of file HardBranching.h.

Constructor & Destructor Documentation

◆ HardBranching()

Herwig::HardBranching::HardBranching	(	ShowerParticlePtr	particle,
		SudakovPtr	sudakov,
		tHardBranchingPtr	parent,
		Status	status
	)

The default constructor.

Parameters

particle	The particle which is branching
sudakov	The Sudakov form factor for the branching
parent	The parent for the branching
status	Whether the particle is incoming or outgoing

Member Function Documentation

◆ addChild()

void Herwig::HardBranching::addChild ( HardBranchingPtr child )

inline

Add a child of the branching.

Parameters

child The child of the branching

Definition at line 53 of file HardBranching.h.

References _children.

◆ beam() [1/2]

PPtr Herwig::HardBranching::beam ( ) const

inline

Get the beam particle.

Definition at line 183 of file HardBranching.h.

References _beam.

◆ beam() [2/2]

void Herwig::HardBranching::beam ( PPtr in )

inline

Set the beam particle.

Definition at line 188 of file HardBranching.h.

References _beam.

◆ branchingParticle() [1/2]

tShowerParticlePtr Herwig::HardBranching::branchingParticle ( ) const

inline

Set and get members for the private member variables.

Return the branching particle.

Definition at line 73 of file HardBranching.h.

References _particle.

◆ branchingParticle() [2/2]

void Herwig::HardBranching::branchingParticle ( ShowerParticlePtr in )

inline

Set the branching particle.

Definition at line 78 of file HardBranching.h.

References _particle.

◆ children()

vector< HardBranchingPtr > & Herwig::HardBranching::children ( )

inline

The children.

Definition at line 193 of file HardBranching.h.

References _children.

◆ clearChildren()

void Herwig::HardBranching::clearChildren ( )

inline

Clear the children.

Definition at line 58 of file HardBranching.h.

References _children.

◆ colourPartner() [1/2]

tHardBranchingPtr Herwig::HardBranching::colourPartner ( ) const

inline

Colour partners.

Get the colour partner

Definition at line 238 of file HardBranching.h.

References _partner.

◆ colourPartner() [2/2]

void Herwig::HardBranching::colourPartner ( tHardBranchingPtr in )

inline

The colour partner of the branching.

Definition at line 243 of file HardBranching.h.

References _partner.

◆ nVector() [1/2]

const Lorentz5Momentum & Herwig::HardBranching::nVector ( ) const

inline

Get the n reference vector.

Definition at line 103 of file HardBranching.h.

References _n.

◆ nVector() [2/2]

void Herwig::HardBranching::nVector ( const Lorentz5Momentum & in )

inline

Set the n reference vector.

Definition at line 108 of file HardBranching.h.

References _n.

◆ original() [1/2]

const Lorentz5Momentum & Herwig::HardBranching::original ( ) const

inline

Get the original momentum.

Definition at line 83 of file HardBranching.h.

References _original.

◆ original() [2/2]

void Herwig::HardBranching::original ( const Lorentz5Momentum & in )

inline

Set the original momentum.

Definition at line 88 of file HardBranching.h.

References _original.

◆ parent() [1/2]

tHardBranchingPtr Herwig::HardBranching::parent ( ) const

inline

The parent of the branching.

Definition at line 163 of file HardBranching.h.

References _parent.

◆ parent() [2/2]

void Herwig::HardBranching::parent ( tHardBranchingPtr in )

inline

Set the parent of the branching.

Definition at line 168 of file HardBranching.h.

References _parent.

◆ phi() [1/2]

double Herwig::HardBranching::phi ( ) const

inline

The azimthual angle.

Definition at line 223 of file HardBranching.h.

References _phi.

◆ phi() [2/2]

void Herwig::HardBranching::phi ( double in )

inline

The azimthual angle.

Definition at line 228 of file HardBranching.h.

References _phi.

◆ pT() [1/2]

Energy Herwig::HardBranching::pT ( ) const

inline

Get the transverse momentum.

Definition at line 133 of file HardBranching.h.

References _pt.

◆ pT() [2/2]

void Herwig::HardBranching::pT ( Energy in )

inline

Set the transverse momentum.

Definition at line 138 of file HardBranching.h.

References _pt.

◆ pVector() [1/2]

const Lorentz5Momentum & Herwig::HardBranching::pVector ( ) const

inline

Get the p reference vector.

Definition at line 93 of file HardBranching.h.

References _p.

◆ pVector() [2/2]

void Herwig::HardBranching::pVector ( const Lorentz5Momentum & in )

inline

Set the p reference vector.

Definition at line 98 of file HardBranching.h.

References _p.

◆ qPerp() [1/2]

const Lorentz5Momentum & Herwig::HardBranching::qPerp ( ) const

inline

Get the transverse momentum vector.

Definition at line 113 of file HardBranching.h.

References _qt.

◆ qPerp() [2/2]

void Herwig::HardBranching::qPerp ( const Lorentz5Momentum & in )

inline

Set the transverse momentum vector.

Definition at line 118 of file HardBranching.h.

References _qt.

◆ scale() [1/2]

Energy Herwig::HardBranching::scale ( ) const

inline

Information on the Shower variables for the branching.

Get the evolution scale

Definition at line 203 of file HardBranching.h.

References _scale.

◆ scale() [2/2]

void Herwig::HardBranching::scale ( Energy in )

inline

The evolution scale.

Definition at line 208 of file HardBranching.h.

References _scale.

◆ showerMomentum() [1/2]

const Lorentz5Momentum & Herwig::HardBranching::showerMomentum ( ) const

inline

Get the momentum the particle should have as the start of a shower.

Definition at line 123 of file HardBranching.h.

References _shower.

◆ showerMomentum() [2/2]

void Herwig::HardBranching::showerMomentum ( const Lorentz5Momentum & in )

inline

Set the momentum the particle should have as the start of a shower.

Definition at line 128 of file HardBranching.h.

References _shower.

◆ status() [1/2]

Status Herwig::HardBranching::status ( ) const

inline

Get whether the branching is incoming, outgoing or decay.

Definition at line 153 of file HardBranching.h.

References _status.

◆ status() [2/2]

void Herwig::HardBranching::status ( Status in )

inline

Set whether the branching is incoming, outgoing or decay.

Definition at line 158 of file HardBranching.h.

References _status.

◆ sudakov() [1/2]

SudakovPtr Herwig::HardBranching::sudakov ( ) const

inline

The Sudakov form-factor.

Definition at line 173 of file HardBranching.h.

References _sudakov.

◆ sudakov() [2/2]

void Herwig::HardBranching::sudakov ( SudakovPtr in )

inline

The Sudakov form-factor.

Definition at line 178 of file HardBranching.h.

References _sudakov.

◆ type() [1/2]

ShowerPartnerType Herwig::HardBranching::type ( ) const

inline

Type of branching.

Definition at line 250 of file HardBranching.h.

References type_.

◆ type() [2/2]

void Herwig::HardBranching::type ( ShowerPartnerType in )

inline

Type of branching.

Definition at line 258 of file HardBranching.h.

References type_.

◆ x_frac() [1/2]

double Herwig::HardBranching::x_frac ( ) const

inline

Get the fraction of beam momentum x.

Definition at line 143 of file HardBranching.h.

References _x_frac.

◆ x_frac() [2/2]

void Herwig::HardBranching::x_frac ( double x )

inline

Set the fraction of beam momentum x.

Definition at line 148 of file HardBranching.h.

References _x_frac.

◆ z() [1/2]

double Herwig::HardBranching::z ( ) const

inline

The energy fraction.

Definition at line 213 of file HardBranching.h.

References _z.

◆ z() [2/2]

void Herwig::HardBranching::z ( double in )

inline

The energy fraction.

Definition at line 218 of file HardBranching.h.

References _z.

Friends And Related Function Documentation

◆ HardTree

friend class HardTree

friend

The HardTree is friend.

Definition at line 28 of file HardBranching.h.

Member Data Documentation

◆ _beam

PPtr Herwig::HardBranching::_beam

private

The beam particle.

Definition at line 348 of file HardBranching.h.

Referenced by beam().

◆ _children

vector<HardBranchingPtr> Herwig::HardBranching::_children

private

The children.

Definition at line 343 of file HardBranching.h.

Referenced by addChild(), children(), and clearChildren().

◆ _n

Lorentz5Momentum Herwig::HardBranching::_n

private

The \(n\) reference vector.

Definition at line 283 of file HardBranching.h.

Referenced by nVector().

◆ _original

Lorentz5Momentum Herwig::HardBranching::_original

private

The rescaled momentum.

Definition at line 273 of file HardBranching.h.

Referenced by original().

◆ _p

Lorentz5Momentum Herwig::HardBranching::_p

private

The \(p\) reference vector.

Definition at line 278 of file HardBranching.h.

Referenced by pVector().

◆ _parent

tHardBranchingPtr Herwig::HardBranching::_parent

private

The parent of the branching.

Definition at line 333 of file HardBranching.h.

Referenced by parent().

◆ _particle

ShowerParticlePtr Herwig::HardBranching::_particle

private

The branching particle.

Definition at line 268 of file HardBranching.h.

Referenced by branchingParticle().

◆ _partner

tHardBranchingPtr Herwig::HardBranching::_partner

private

The colour partner.

Definition at line 353 of file HardBranching.h.

Referenced by colourPartner().

◆ _phi

double Herwig::HardBranching::_phi

private

The azimthual angle.

Definition at line 327 of file HardBranching.h.

Referenced by phi().

◆ _pt

Energy Herwig::HardBranching::_pt

private

The transverse momentum.

Definition at line 298 of file HardBranching.h.

Referenced by pT().

◆ _qt

Lorentz5Momentum Herwig::HardBranching::_qt

private

The transverse momentum vector.

Definition at line 288 of file HardBranching.h.

Referenced by qPerp().

◆ _scale

Energy Herwig::HardBranching::_scale

private

Information on the Shower variables for the branching.

The evolution scale

Definition at line 317 of file HardBranching.h.

Referenced by scale().

◆ _shower

Lorentz5Momentum Herwig::HardBranching::_shower

private

The momentum the particle should have as the start of a shower.

Definition at line 293 of file HardBranching.h.

Referenced by showerMomentum().

◆ _status

Status Herwig::HardBranching::_status

private

Whether the branching is incoming, outgoing or a decay.

Definition at line 308 of file HardBranching.h.

Referenced by status().

◆ _sudakov

SudakovPtr Herwig::HardBranching::_sudakov

private

The Sudakov form-factor.

Definition at line 338 of file HardBranching.h.

Referenced by sudakov().

◆ _x_frac

double Herwig::HardBranching::_x_frac

private

The beam momentum fraction carried by an incoming parton x.

Definition at line 303 of file HardBranching.h.

Referenced by x_frac().

◆ _z

double Herwig::HardBranching::_z

private

The energy fraction.

Definition at line 322 of file HardBranching.h.

Referenced by z().

◆ type_

ShowerPartnerType Herwig::HardBranching::type_

private

The type of branching.

Definition at line 358 of file HardBranching.h.

Referenced by type().

The documentation for this class was generated from the following file:

HardBranching.h

Public Types

Public Member Functions

Private Attributes

Friends

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

◆ Status

Constructor & Destructor Documentation

◆ HardBranching()

Member Function Documentation

◆ addChild()

◆ beam() [1/2]

◆ beam() [2/2]

◆ branchingParticle() [1/2]

◆ branchingParticle() [2/2]

◆ children()

◆ clearChildren()

◆ colourPartner() [1/2]

◆ colourPartner() [2/2]

◆ nVector() [1/2]

◆ nVector() [2/2]

◆ original() [1/2]

◆ original() [2/2]

◆ parent() [1/2]

◆ parent() [2/2]

◆ phi() [1/2]

◆ phi() [2/2]

◆ pT() [1/2]

◆ pT() [2/2]

◆ pVector() [1/2]

◆ pVector() [2/2]

◆ qPerp() [1/2]

◆ qPerp() [2/2]

◆ scale() [1/2]

◆ scale() [2/2]

◆ showerMomentum() [1/2]

◆ showerMomentum() [2/2]

◆ status() [1/2]

◆ status() [2/2]

◆ sudakov() [1/2]

◆ sudakov() [2/2]

◆ type() [1/2]

◆ type() [2/2]

◆ x_frac() [1/2]

◆ x_frac() [2/2]

◆ z() [1/2]

◆ z() [2/2]

Friends And Related Function Documentation

◆ HardTree

Member Data Documentation

◆ _beam

◆ _children

◆ _n

◆ _original

◆ _p

◆ _parent

◆ _particle

◆ _partner

◆ _phi

◆ _pt

◆ _qt

◆ _scale

◆ _shower

◆ _status

◆ _sudakov

◆ _x_frac

◆ _z

◆ type_