Herwig 7.3.0
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ShowerApproximation describes the shower emission to be used in NLO matching. More...
#include <ShowerApproximation.h>
Public Types | |
enum | ScaleChoices { bornScale = 0 , realScale = 1 , showerScale = 2 } |
Enumerate possible scale choices. More... | |
Public Types inherited from ThePEG::InterfacedBase | |
enum | InitState |
Public Types inherited from ThePEG::Pointer::ReferenceCounted | |
typedef unsigned int | CounterType |
Public Member Functions | |
ShowerApproximation () | |
The default constructor. | |
virtual bool | needsSplittingGenerator () const |
Return true, if this shower approximation will require a splitting generator. | |
virtual bool | hasHEvents () const |
Return true, if this shower approximation will require H events. | |
virtual bool | needsTildeXCombs () const |
Return true, if this shower approximation will require tilde XCombs for the real phase space point generated. | |
virtual bool | needsTruncatedShower () const |
Return true, if this shower approximation will require a truncated parton shower. | |
virtual Ptr< TildeKinematics >::tptr | showerTildeKinematics () const |
Return the tilde kinematics object returning the shower kinematics parametrization if different from the nominal dipole mappings. | |
virtual Ptr< InvertedTildeKinematics >::tptr | showerInvertedTildeKinematics () const |
Return the tilde kinematics object returning the shower kinematics parametrization if different from the nominal dipole mappings. | |
void | setBornXComb (tStdXCombPtr xc) |
Set the XComb object describing the Born process. | |
tStdXCombPtr | bornXComb () const |
Return the XComb object describing the Born process. | |
tcStdXCombPtr | bornCXComb () const |
Return the XComb object describing the Born process. | |
void | setRealXComb (tStdXCombPtr xc) |
Set the XComb object describing the real emission process. | |
tStdXCombPtr | realXComb () const |
Return the XComb object describing the real emission process. | |
tcStdXCombPtr | realCXComb () const |
Return the XComb object describing the real emission process. | |
void | setTildeXCombs (const vector< StdXCombPtr > &xc) |
Set the tilde xcomb objects associated to the real xcomb. | |
const vector< StdXCombPtr > & | tildeXCombs () const |
Return the tilde xcomb objects associated to the real xcomb. | |
void | setDipole (Ptr< SubtractionDipole >::tptr) |
Set the dipole in charge for the emission. | |
Ptr< SubtractionDipole >::tptr | dipole () const |
Return the dipole in charge for the emission. | |
virtual bool | hasSpinCorrelations () const |
Return true, if this matching is capable of spin correlations. | |
bool | belowCutoff () const |
Return true if one of the recently encountered configutations was below the infrared cutoff. | |
void | wasBelowCutoff () |
Indicate that one of the recently encountered configutations was below the infrared cutoff. | |
void | resetBelowCutoff () |
Reset the below cutoff flag. | |
Energy | ffPtCut () const |
Return the pt cut to be applied for final-final dipoles. | |
Energy | fiPtCut () const |
Return the pt cut to be applied for final-initial dipoles. | |
Energy | iiPtCut () const |
Return the pt cut to be applied for initial-initial dipoles. | |
Energy | safeCut () const |
Return the pt cut to be applied for initial-initial dipoles. | |
Energy | ffScreeningScale () const |
Return the screening scale to be applied for final-final dipoles. | |
Energy | fiScreeningScale () const |
Return the screening scale to be applied for final-initial dipoles. | |
Energy | iiScreeningScale () const |
Return the screening scale to be applied for initial-initial dipoles. | |
virtual Energy2 | showerEmissionScale () const |
Return the shower renormalization scale. | |
Energy2 | showerRenormalizationScale () const |
Return the shower renormalization scale. | |
Energy2 | showerFactorizationScale () const |
Return the shower factorization scale. | |
Energy2 | bornRenormalizationScale () const |
Return the Born renormalization scale. | |
Energy2 | bornFactorizationScale () const |
Return the Born factorization scale. | |
Energy2 | realRenormalizationScale () const |
Return the real emission renormalization scale. | |
Energy2 | realFactorizationScale () const |
Return the real emission factorization scale. | |
int | realEmissionScaleInSubtraction () const |
Return the scale choice in the real emission cross section to be used in the matching subtraction. | |
int | bornScaleInSubtraction () const |
Return the scale choice in the born cross section to be used in the matching subtraction. | |
int | emissionScaleInSubtraction () const |
Return the scale choice in the emission contribution to be used in the matching subtraction. | |
int | realEmissionScaleInSplitting () const |
Return the scale choice in the real emission cross section to be used in the splitting. | |
int | bornScaleInSplitting () const |
Return the scale choice in the born cross section to be used in the splitting. | |
int | emissionScaleInSplitting () const |
Return the scale choice in the emission contribution to be used in the splitting. | |
double | scaleWeight (int rScale, int bScale, int eScale) const |
Return the scale weight. | |
double | subtractionScaleWeight () const |
Return the scale weight for the matching subtraction. | |
double | splittingScaleWeight () const |
Return the scale weight for the splitting. | |
bool | restrictPhasespace () const |
Return true, if the phase space restrictions of the dipole shower should be applied. | |
void | restrictPhasespace (bool yes) |
Indicate that the phase space restrictions of the dipole shower should be applied. | |
Ptr< HardScaleProfile >::tptr | profileScales () const |
Return profile scales. | |
void | profileScales (Ptr< HardScaleProfile >::ptr prof) |
Set profile scales. | |
bool | hardScaleIsMuF () const |
Return true if maximum pt should be deduced from the factorization scale. | |
void | hardScaleIsMuF (bool yes) |
Indicate that maximum pt should be deduced from the factorization scale. | |
double | hardScaleFactor () const |
Return the scale factor for the hard scale. | |
void | hardScaleFactor (double f) |
Set the scale factor for the hard scale. | |
double | factorizationScaleFactor () const |
Get the factorization scale factor. | |
double | renormalizationScaleFactor () const |
Get the renormalization scale factor. | |
void | factorizationScaleFactor (double f) |
Set the factorization scale factor. | |
void | renormalizationScaleFactor (double f) |
Set the renormalization scale factor. | |
virtual void | checkCutoff () |
Determine if the configuration is below or above the cutoff. | |
virtual void | getShowerVariables () |
Determine all kinematic variables which are not provided by the dipole kinematics; store all shower variables in the respective dipole object for later use. | |
virtual CrossSection | dSigHatDR () const =0 |
Return the shower approximation to the real emission cross section for the given pair of Born and real emission configurations. | |
virtual double | me2 () const =0 |
Return the shower approximation splitting kernel for the given pair of Born and real emission configurations in units of the Born center of mass energy squared, and including a weight to project onto the splitting given by the dipole used. | |
double | bornPDFWeight (Energy2 muF) const |
Return the Born PDF weight. | |
double | realPDFWeight (Energy2 muF) const |
Return the real emission PDF weight. | |
virtual double | channelWeight (int emitter, int emission, int spectator, int bemitter) const |
Generate a weight for the given dipole channel. | |
virtual double | channelWeight () const |
Generate a normalized weight taking into account all channels. | |
Public Member Functions inherited from ThePEG::HandlerBaseT< UseRandom > | |
double | rnd () const |
double | rnd (double xu) const |
double | rnd (double xl, double xu) const |
bool | rndbool () const |
bool | rndbool (double p) const |
bool | rndbool (double p1, double p2) const |
int | rndsign (double p1, double p2, double p3) const |
int | rnd2 (double p0, double p1) const |
int | rnd3 (double p0, double p1, double p2) const |
int | rnd4 (double p0, double p1, double p2, double p3) const |
long | irnd (long xu=2) const |
long | irnd (long xl, long xu) const |
const StandardModelBase & | SM () const |
tSMPtr | standardModel () const |
Public Member Functions inherited from ThePEG::Interfaced | |
virtual bool | defaultInit () |
PPtr | getParticle (PID) const |
PDPtr | getParticleData (PID) const |
bool | used () const |
void | useMe () const |
tEGPtr | generator () const |
void | persistentOutput (PersistentOStream &os) const |
void | persistentInput (PersistentIStream &is, int version) |
PPtr | getParticle (PID) const |
PDPtr | getParticleData (PID) const |
bool | used () const |
void | useMe () const |
tEGPtr | generator () const |
Public Member Functions inherited from ThePEG::InterfacedBase | |
string | fullName () const |
string | name () const |
string | path () const |
string | comment () const |
void | setup (istream &is) |
void | update () |
void | init () |
virtual bool | preInitialize () const |
void | initrun () |
void | finish () |
void | touch () |
void | reset () |
void | clear () |
InitState | state () const |
bool | locked () const |
bool | touched () const |
virtual IBPtr | fullclone () const |
void | persistentOutput (PersistentOStream &os) const |
void | persistentInput (PersistentIStream &is, int version) |
virtual void | debugme () const |
void | update () |
void | init () |
virtual bool | preInitialize () const |
void | initrun () |
void | finish () |
void | touch () |
void | reset () |
void | clear () |
InitState | state () const |
bool | locked () const |
bool | touched () const |
virtual IBPtr | fullclone () const |
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 |
Public Member Functions inherited from ThePEG::Named | |
Named (const string &newName=string()) | |
Named (const Named &)=default | |
const string & | name () const |
bool | operator== (const Named &other) const |
bool | operator< (const Named &other) const |
Protected Member Functions | |
virtual bool | isInShowerPhasespace () const |
Return true, if the shower was able to generate an emission leading from the given Born to the given real emission process. | |
virtual bool | isAboveCutoff () const |
Return true, if the shower emission leading from the given Born to the given real emission process would have been generated above the shower's infrared cutoff. | |
virtual Energy | hardScale () const |
Return the relevant hard scale. | |
void | useOpenZ (bool yes) |
Use the maximum available phase space for the momentum fraction. | |
bool | openZ () const |
Return true if the maximum available phase space should be used for the momentum fraction. | |
Protected Member Functions inherited from ThePEG::Interfaced | |
void | reporeg (IBPtr object, string name) const |
bool | setDefaultReference (PtrT &ptr, string classname, string objectname) |
Interfaced (const string &newName) | |
Interfaced (const Interfaced &i) | |
void | setGenerator (tEGPtr generator) |
Protected Member Functions inherited from ThePEG::InterfacedBase | |
virtual void | readSetup (istream &is) |
virtual void | doupdate () |
virtual void | doinit () |
virtual void | doinitrun () |
virtual void | dofinish () |
virtual IVector | getReferences () |
virtual void | rebind (const TranslationMap &) |
virtual IBPtr | clone () const=0 |
InterfacedBase (string newName) | |
InterfacedBase (const InterfacedBase &i) | |
virtual void | readSetup (istream &is) |
virtual void | doupdate () |
virtual void | doinit () |
virtual void | doinitrun () |
virtual void | dofinish () |
virtual IVector | getReferences () |
virtual void | rebind (const TranslationMap &) |
Protected Member Functions inherited from ThePEG::Pointer::ReferenceCounted | |
ReferenceCounted (const ReferenceCounted &) | |
ReferenceCounted & | operator= (const ReferenceCounted &) |
Protected Member Functions inherited from ThePEG::Named | |
const Named & | operator= (const Named &other) |
const string & | name (const string &newName) |
Standard Interfaced functions. | |
Ptr< ColourBasis >::ptr | theLargeNBasis |
A large-N colour basis to be used when reproducing the shower kernels. | |
double | theExtrapolationX |
The x value from which on we extrapolate PDFs for numerically stable ratios. | |
tStdXCombPtr | theBornXComb |
The XComb object describing the Born process. | |
tStdXCombPtr | theRealXComb |
The XComb object describing the real emission process. | |
vector< StdXCombPtr > | theTildeXCombs |
The tilde xcomb objects associated to the real xcomb. | |
Ptr< SubtractionDipole >::tptr | theDipole |
The dipole in charge for the emission. | |
bool | theBelowCutoff |
True if one of the recently encountered configutations was below the infrared cutoff. | |
Energy | theFFPtCut |
The pt cut to be applied for final-final dipoles. | |
Energy | theFFScreeningScale |
An optional screening scale for final-final dipoles; see DipoleSplittingKernel. | |
Energy | theFIPtCut |
The pt cut to be applied for final-initial dipoles. | |
Energy | theFIScreeningScale |
An optional screening scale for final-initial dipoles; see DipoleSplittingKernel. | |
Energy | theIIPtCut |
The pt cut to be applied for initial-initial dipoles. | |
Energy | theIIScreeningScale |
An optional screening scale for initial-initial dipoles; see DipoleSplittingKernel. | |
Energy | theSafeCut |
The cut to be applied as an enhanced shower cutoff. | |
bool | theRestrictPhasespace |
True, if the phase space restrictions of the dipole shower should be applied. | |
double | theHardScaleFactor |
The scale factor for the hard scale. | |
double | theRenormalizationScaleFactor |
The scale factor for the renormalization scale. | |
double | theFactorizationScaleFactor |
The scale factor for the factorization scale. | |
int | theRealEmissionScaleInSubtraction |
The scale choice in the real emission cross section to be used in the matching subtraction. | |
int | theBornScaleInSubtraction |
The scale choice in the born cross section to be used in the matching subtraction. | |
int | theEmissionScaleInSubtraction |
The scale choice in the emission contribution to be used in the matching subtraction. | |
int | theRealEmissionScaleInSplitting |
The scale choice in the real emission cross section to be used in the splitting. | |
int | theBornScaleInSplitting |
The scale choice in the born cross section to be used in the splitting. | |
int | theEmissionScaleInSplitting |
The scale choice in the emission contribution to be used in the splitting. | |
Energy | theRenormalizationScaleFreeze |
A freezing value for the renormalization scale. | |
Energy | theFactorizationScaleFreeze |
A freezing value for the factorization scale. | |
bool | maxPtIsMuF |
True if maximum pt should be deduced from the factorization scale. | |
Ptr< HardScaleProfile >::ptr | theHardScaleProfile |
The profile scales. | |
bool | theOpenZ |
Use the maximum available phase space for the momentum fraction. | |
Ptr< ColourBasis >::tptr | largeNBasis () const |
A large-N colour basis to be used when reproducing the shower kernels. | |
virtual void | doinit () |
Initialize this object after the setup phase before saving an EventGenerator to disk. | |
void | setLargeNBasis () |
Set the large-N basis. | |
ShowerApproximation & | operator= (const ShowerApproximation &)=delete |
The assignment operator is private and must never be called. | |
Functions used by the persistent I/O system. | |
void | persistentOutput (PersistentOStream &os) const |
Function used to write out object persistently. | |
void | persistentInput (PersistentIStream &is, int version) |
Function used to read in object persistently. | |
static void | Init () |
The standard Init function used to initialize the interfaces. | |
Additional Inherited Members | |
Static Public Member Functions inherited from ThePEG::HandlerBase | |
static void | Init () |
Static Public Member Functions inherited from ThePEG::Interfaced | |
static void | Init () |
Static Public Member Functions inherited from ThePEG::InterfacedBase | |
static void | Init () |
Static Public Member Functions inherited from ThePEG::Base | |
static void | Init () |
Public Attributes inherited from ThePEG::InterfacedBase | |
initializing | |
uninitialized | |
initialized | |
runready | |
Public Attributes inherited from ThePEG::Pointer::ReferenceCounted | |
const unsigned long | uniqueId |
Static Protected Member Functions inherited from ThePEG::Interfaced | |
static void | registerRepository (IBPtr) |
static void | registerRepository (IBPtr, string newName) |
ShowerApproximation describes the shower emission to be used in NLO matching.
Definition at line 35 of file ShowerApproximation.h.
Enumerate possible scale choices.
Enumerator | |
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realScale | Use the born scales. |
showerScale | Use the real scales. |
Definition at line 237 of file ShowerApproximation.h.
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inline |
Return true if one of the recently encountered configutations was below the infrared cutoff.
Definition at line 147 of file ShowerApproximation.h.
References theBelowCutoff.
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inline |
Return the XComb object describing the Born process.
Definition at line 99 of file ShowerApproximation.h.
References theBornXComb.
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inline |
Return the scale choice in the born cross section to be used in the splitting.
Definition at line 278 of file ShowerApproximation.h.
References theBornScaleInSplitting.
Referenced by splittingScaleWeight().
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inline |
Return the scale choice in the born cross section to be used in the matching subtraction.
Definition at line 260 of file ShowerApproximation.h.
References theBornScaleInSubtraction.
Referenced by subtractionScaleWeight().
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inline |
Return the XComb object describing the Born process.
Definition at line 94 of file ShowerApproximation.h.
References theBornXComb.
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virtual |
Determine if the configuration is below or above the cutoff.
Reimplemented in Herwig::QTildeMatching.
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protectedvirtual |
Initialize this object after the setup phase before saving an EventGenerator to disk.
InitException | if object could not be initialized properly. |
Reimplemented from ThePEG::InterfacedBase.
Reimplemented in Herwig::DipoleMatching, and Herwig::QTildeMatching.
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pure virtual |
Return the shower approximation to the real emission cross section for the given pair of Born and real emission configurations.
Implemented in Herwig::DipoleMatching, Herwig::MEMatching, and Herwig::QTildeMatching.
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inline |
Return the scale choice in the emission contribution to be used in the splitting.
Definition at line 284 of file ShowerApproximation.h.
References theEmissionScaleInSplitting.
Referenced by splittingScaleWeight().
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inline |
Return the scale choice in the emission contribution to be used in the matching subtraction.
Definition at line 266 of file ShowerApproximation.h.
References theEmissionScaleInSubtraction.
Referenced by subtractionScaleWeight().
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inline |
Get the factorization scale factor.
Definition at line 356 of file ShowerApproximation.h.
References theFactorizationScaleFactor.
Referenced by showerFactorizationScale().
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inline |
Set the factorization scale factor.
Definition at line 366 of file ShowerApproximation.h.
References theFactorizationScaleFactor.
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inline |
Return the pt cut to be applied for final-final dipoles.
Definition at line 163 of file ShowerApproximation.h.
References theFFPtCut.
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inline |
Return the screening scale to be applied for final-final dipoles.
Definition at line 183 of file ShowerApproximation.h.
References theFFScreeningScale.
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inline |
Return the pt cut to be applied for final-initial dipoles.
Definition at line 168 of file ShowerApproximation.h.
References theFIPtCut.
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inline |
Return the screening scale to be applied for final-initial dipoles.
Definition at line 188 of file ShowerApproximation.h.
References theFIScreeningScale.
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virtual |
Determine all kinematic variables which are not provided by the dipole kinematics; store all shower variables in the respective dipole object for later use.
Reimplemented in Herwig::QTildeMatching.
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inline |
Return the scale factor for the hard scale.
Definition at line 346 of file ShowerApproximation.h.
References theHardScaleFactor.
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inline |
Set the scale factor for the hard scale.
Definition at line 351 of file ShowerApproximation.h.
References theHardScaleFactor.
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inline |
Return true if maximum pt should be deduced from the factorization scale.
Definition at line 336 of file ShowerApproximation.h.
References maxPtIsMuF.
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inline |
Indicate that maximum pt should be deduced from the factorization scale.
Definition at line 341 of file ShowerApproximation.h.
References maxPtIsMuF.
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inlinevirtual |
Return true, if this shower approximation will require H events.
Reimplemented in Herwig::MEMatching.
Definition at line 56 of file ShowerApproximation.h.
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inlinevirtual |
Return true, if this matching is capable of spin correlations.
Definition at line 139 of file ShowerApproximation.h.
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inline |
Return the pt cut to be applied for initial-initial dipoles.
Definition at line 173 of file ShowerApproximation.h.
References theIIPtCut.
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inline |
Return the screening scale to be applied for initial-initial dipoles.
Definition at line 193 of file ShowerApproximation.h.
References theIIScreeningScale.
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static |
The standard Init function used to initialize the interfaces.
Called exactly once for each class by the class description system before the main function starts or when this class is dynamically loaded.
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protectedvirtual |
Return true, if the shower emission leading from the given Born to the given real emission process would have been generated above the shower's infrared cutoff.
Reimplemented in Herwig::QTildeMatching.
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protectedvirtual |
Return true, if the shower was able to generate an emission leading from the given Born to the given real emission process.
Reimplemented in Herwig::QTildeMatching.
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inline |
A large-N colour basis to be used when reproducing the shower kernels.
Definition at line 503 of file ShowerApproximation.h.
References theLargeNBasis.
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pure virtual |
Return the shower approximation splitting kernel for the given pair of Born and real emission configurations in units of the Born center of mass energy squared, and including a weight to project onto the splitting given by the dipole used.
Implemented in Herwig::DipoleMatching, Herwig::MEMatching, and Herwig::QTildeMatching.
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inlinevirtual |
Return true, if this shower approximation will require a splitting generator.
Reimplemented in Herwig::MEMatching.
Definition at line 50 of file ShowerApproximation.h.
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inlinevirtual |
Return true, if this shower approximation will require tilde XCombs for the real phase space point generated.
Definition at line 62 of file ShowerApproximation.h.
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inlinevirtual |
Return true, if this shower approximation will require a truncated parton shower.
Reimplemented in Herwig::MEMatching.
Definition at line 68 of file ShowerApproximation.h.
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inlineprotected |
Return true if the maximum available phase space should be used for the momentum fraction.
Definition at line 439 of file ShowerApproximation.h.
References theOpenZ.
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privatedelete |
The assignment operator is private and must never be called.
In fact, it should not even be implemented.
void Herwig::ShowerApproximation::persistentInput | ( | PersistentIStream & | is, |
int | version | ||
) |
Function used to read in object persistently.
is | the persistent input stream read from. |
version | the version number of the object when written. |
void Herwig::ShowerApproximation::persistentOutput | ( | PersistentOStream & | os | ) | const |
Function used to write out object persistently.
os | the persistent output stream written to. |
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inline |
Return profile scales.
Definition at line 326 of file ShowerApproximation.h.
References theHardScaleProfile.
Referenced by Herwig::MEMatching::hasHEvents().
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inline |
Set profile scales.
Definition at line 331 of file ShowerApproximation.h.
References theHardScaleProfile.
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inline |
Return the XComb object describing the real emission process.
Definition at line 114 of file ShowerApproximation.h.
References theRealXComb.
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inline |
Return the scale choice in the real emission cross section to be used in the splitting.
Definition at line 272 of file ShowerApproximation.h.
References theRealEmissionScaleInSplitting.
Referenced by splittingScaleWeight().
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inline |
Return the scale choice in the real emission cross section to be used in the matching subtraction.
Definition at line 254 of file ShowerApproximation.h.
References theRealEmissionScaleInSubtraction.
Referenced by subtractionScaleWeight().
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inline |
Return the XComb object describing the real emission process.
Definition at line 109 of file ShowerApproximation.h.
References theRealXComb.
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inline |
Get the renormalization scale factor.
Definition at line 361 of file ShowerApproximation.h.
References theRenormalizationScaleFactor.
Referenced by showerRenormalizationScale().
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inline |
Set the renormalization scale factor.
Definition at line 371 of file ShowerApproximation.h.
References theRenormalizationScaleFactor.
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inline |
Reset the below cutoff flag.
Definition at line 158 of file ShowerApproximation.h.
References theBelowCutoff.
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inline |
Return true, if the phase space restrictions of the dipole shower should be applied.
Definition at line 315 of file ShowerApproximation.h.
References theRestrictPhasespace.
Referenced by Herwig::MEMatching::hasHEvents().
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inline |
Indicate that the phase space restrictions of the dipole shower should be applied.
Definition at line 321 of file ShowerApproximation.h.
References theRestrictPhasespace.
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inline |
Return the pt cut to be applied for initial-initial dipoles.
Definition at line 178 of file ShowerApproximation.h.
References theSafeCut.
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inline |
Set the XComb object describing the Born process.
Definition at line 89 of file ShowerApproximation.h.
References theBornXComb.
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inline |
Set the XComb object describing the real emission process.
Definition at line 104 of file ShowerApproximation.h.
References theRealXComb.
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inline |
Set the tilde xcomb objects associated to the real xcomb.
Definition at line 119 of file ShowerApproximation.h.
References theTildeXCombs.
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inline |
Return the shower factorization scale.
Definition at line 210 of file ShowerApproximation.h.
References factorizationScaleFactor(), showerEmissionScale(), and ThePEG::sqr().
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inline |
Return the shower renormalization scale.
Definition at line 203 of file ShowerApproximation.h.
References renormalizationScaleFactor(), showerEmissionScale(), and ThePEG::sqr().
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inline |
Return the scale weight for the splitting.
Definition at line 303 of file ShowerApproximation.h.
References bornScaleInSplitting(), emissionScaleInSplitting(), realEmissionScaleInSplitting(), and scaleWeight().
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inline |
Return the scale weight for the matching subtraction.
Definition at line 294 of file ShowerApproximation.h.
References bornScaleInSubtraction(), emissionScaleInSubtraction(), realEmissionScaleInSubtraction(), and scaleWeight().
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inline |
Return the tilde xcomb objects associated to the real xcomb.
Definition at line 124 of file ShowerApproximation.h.
References theTildeXCombs.
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inlineprotected |
Use the maximum available phase space for the momentum fraction.
Definition at line 433 of file ShowerApproximation.h.
References theOpenZ.
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inline |
Indicate that one of the recently encountered configutations was below the infrared cutoff.
Definition at line 153 of file ShowerApproximation.h.
References theBelowCutoff.
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private |
True if maximum pt should be deduced from the factorization scale.
Definition at line 659 of file ShowerApproximation.h.
Referenced by hardScaleIsMuF().
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private |
True if one of the recently encountered configutations was below the infrared cutoff.
Definition at line 549 of file ShowerApproximation.h.
Referenced by belowCutoff(), resetBelowCutoff(), and wasBelowCutoff().
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private |
The scale choice in the born cross section to be used in the splitting.
Definition at line 638 of file ShowerApproximation.h.
Referenced by bornScaleInSplitting().
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private |
The scale choice in the born cross section to be used in the matching subtraction.
Definition at line 620 of file ShowerApproximation.h.
Referenced by bornScaleInSubtraction().
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private |
The XComb object describing the Born process.
Definition at line 528 of file ShowerApproximation.h.
Referenced by bornCXComb(), bornXComb(), and setBornXComb().
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private |
The dipole in charge for the emission.
Definition at line 543 of file ShowerApproximation.h.
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private |
The scale choice in the emission contribution to be used in the splitting.
Definition at line 644 of file ShowerApproximation.h.
Referenced by emissionScaleInSplitting().
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private |
The scale choice in the emission contribution to be used in the matching subtraction.
Definition at line 626 of file ShowerApproximation.h.
Referenced by emissionScaleInSubtraction().
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The x value from which on we extrapolate PDFs for numerically stable ratios.
Definition at line 521 of file ShowerApproximation.h.
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The scale factor for the factorization scale.
Definition at line 608 of file ShowerApproximation.h.
Referenced by factorizationScaleFactor().
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A freezing value for the factorization scale.
Definition at line 654 of file ShowerApproximation.h.
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The pt cut to be applied for final-final dipoles.
Definition at line 554 of file ShowerApproximation.h.
Referenced by ffPtCut().
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An optional screening scale for final-final dipoles; see DipoleSplittingKernel.
Definition at line 560 of file ShowerApproximation.h.
Referenced by ffScreeningScale().
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The pt cut to be applied for final-initial dipoles.
Definition at line 565 of file ShowerApproximation.h.
Referenced by fiPtCut().
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An optional screening scale for final-initial dipoles; see DipoleSplittingKernel.
Definition at line 571 of file ShowerApproximation.h.
Referenced by fiScreeningScale().
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The scale factor for the hard scale.
Definition at line 598 of file ShowerApproximation.h.
Referenced by hardScaleFactor().
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The profile scales.
Definition at line 664 of file ShowerApproximation.h.
Referenced by profileScales().
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The pt cut to be applied for initial-initial dipoles.
Definition at line 576 of file ShowerApproximation.h.
Referenced by iiPtCut().
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An optional screening scale for initial-initial dipoles; see DipoleSplittingKernel.
Definition at line 582 of file ShowerApproximation.h.
Referenced by iiScreeningScale().
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A large-N colour basis to be used when reproducing the shower kernels.
Definition at line 511 of file ShowerApproximation.h.
Referenced by largeNBasis().
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Use the maximum available phase space for the momentum fraction.
Definition at line 669 of file ShowerApproximation.h.
Referenced by openZ(), and useOpenZ().
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The scale choice in the real emission cross section to be used in the splitting.
Definition at line 632 of file ShowerApproximation.h.
Referenced by realEmissionScaleInSplitting().
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The scale choice in the real emission cross section to be used in the matching subtraction.
Definition at line 614 of file ShowerApproximation.h.
Referenced by realEmissionScaleInSubtraction().
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The XComb object describing the real emission process.
Definition at line 533 of file ShowerApproximation.h.
Referenced by realCXComb(), realXComb(), and setRealXComb().
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The scale factor for the renormalization scale.
Definition at line 603 of file ShowerApproximation.h.
Referenced by renormalizationScaleFactor().
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A freezing value for the renormalization scale.
Definition at line 649 of file ShowerApproximation.h.
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True, if the phase space restrictions of the dipole shower should be applied.
Definition at line 593 of file ShowerApproximation.h.
Referenced by restrictPhasespace().
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The cut to be applied as an enhanced shower cutoff.
Definition at line 587 of file ShowerApproximation.h.
Referenced by safeCut().
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The tilde xcomb objects associated to the real xcomb.
Definition at line 538 of file ShowerApproximation.h.
Referenced by setTildeXCombs(), and tildeXCombs().