Herwig 7.3.0
|
The DrellYanBase class class provides a base class for the implemented of Drell-Yan type processes and provides the matrix element and POWHEG style hard corrections. More...
#include <DrellYanBase.h>
Public Member Functions | |
DrellYanBase () | |
The default constructor. | |
virtual POWHEGType | hasPOWHEGCorrection () |
Has a POWHEG style correction. | |
virtual bool | hasMECorrection () |
Has an old fashioned ME correction. | |
virtual void | initializeMECorrection (RealEmissionProcessPtr, double &initial, double &final) |
Initialize the ME correction. | |
virtual RealEmissionProcessPtr | applyHardMatrixElementCorrection (RealEmissionProcessPtr) |
Apply the hard matrix element correction to a given hard process or decay. | |
virtual bool | softMatrixElementVeto (PPtr parent, PPtr progenitor, const bool &fs, const Energy &highestpT, const vector< tcPDPtr > &ids, const double &z, const Energy &scale, const Energy &pT) |
Apply the soft matrix element correction. | |
virtual RealEmissionProcessPtr | generateHardest (RealEmissionProcessPtr, ShowerInteraction) |
Apply the POWHEG style correction. | |
virtual void | setKinematics () |
Set the typed and momenta of the incoming and outgoing partons to be used in subsequent calls to me() and colourGeometries() according to the associated XComb object. | |
Public Member Functions inherited from Herwig::HwMEBase | |
HwMEBase () | |
Default constructor. | |
virtual int | nDim () const |
The number of internal degreed of freedom used in the matrix element. | |
virtual bool | generateKinematics (const double *r) |
Generate internal degrees of freedom given 'nDim()' uniform random numbers in the interval ]0,1[. | |
virtual CrossSection | dSigHatDR () const |
Return the matrix element for the kinematical configuation previously provided by the last call to setKinematics(). | |
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. | |
Public Member Functions inherited from ThePEG::MEBase | |
virtual unsigned int | orderInAlphaS () const=0 |
virtual unsigned int | orderInAlphaEW () const=0 |
virtual double | me2 () const=0 |
virtual Energy2 | scale () const=0 |
virtual double | alphaS () const |
virtual double | alphaEM () const |
void | setKinematics (tPPair in, const PVector &out) |
virtual void | setKinematics () |
virtual void | constructVertex (tSubProPtr sub) |
virtual void | constructVertex (tSubProPtr sub, const ColourLines *cl) |
virtual int | nDim () const |
virtual bool | generateKinematics (const double *r)=0 |
virtual bool | wantCMS () const |
virtual bool | headCuts () const |
virtual bool | ignoreCuts () const |
virtual bool | apply () const |
virtual CrossSection | dSigHatDR () const=0 |
virtual map< string, double > | generateOptionalWeights () |
virtual bool | haveX1X2 () const |
virtual bool | havePDFWeight1 () const |
virtual bool | havePDFWeight2 () const |
virtual bool | keepRandomNumbers () const |
virtual void | generateSubCollision (SubProcess &) |
virtual void | clearKinematics () |
virtual void | getDiagrams () const=0 |
virtual bool | noMirror () const |
const DiagramVector & | diagrams () const |
virtual Selector< const ColourLines * > | colourGeometries (tcDiagPtr diag) const=0 |
virtual const ColourLines & | selectColourGeometry (tcDiagPtr diag) const |
virtual Selector< DiagramIndex > | diagrams (const DiagramVector &) const |
virtual DiagramIndex | diagram (const DiagramVector &) const |
bool | reweighted () const |
double | reWeight () const |
double | preWeight () const |
void | addReweighter (tReweightPtr rw) |
void | addPreweighter (tReweightPtr rw) |
Ptr< Amplitude >::pointer | amplitude () const |
void | amplitude (Ptr< Amplitude >::pointer amp) |
Energy2 | sHat () const |
double | preweight () const |
virtual void | flushCaches () |
virtual StdXCombPtr | makeXComb (Energy newMaxEnergy, const cPDPair &inc, tEHPtr newEventHandler, tSubHdlPtr newSubProcessHandler, tPExtrPtr newExtractor, tCascHdlPtr newCKKW, const PBPair &newPartonBins, tCutsPtr newCuts, const DiagramVector &newDiagrams, bool mir, const PartonPairVec &allPBins, tStdXCombPtr newHead=tStdXCombPtr(), tMEPtr newME=tMEPtr()) |
virtual StdXCombPtr | makeXComb (tStdXCombPtr newHead, const PBPair &newPartonBins, const DiagramVector &newDiagrams, tMEPtr newME=tMEPtr()) |
virtual void | fillProjectors () |
virtual void | setXComb (tStdXCombPtr) |
const DVector & | meInfo () const |
void | meInfo (const DVector &info) const |
virtual int | maxMultCKKW () const |
virtual int | minMultCKKW () const |
virtual void | maxMultCKKW (int mult) |
virtual void | minMultCKKW (int mult) |
virtual void | setVetoScales (tSubProPtr) const |
virtual unsigned int | orderInAlphaS () const=0 |
virtual unsigned int | orderInAlphaEW () const=0 |
virtual double | me2 () const=0 |
virtual Energy2 | scale () const=0 |
virtual double | alphaS () const |
virtual double | alphaEM () const |
void | setKinematics (tPPair in, const PVector &out) |
virtual void | setKinematics () |
virtual void | constructVertex (tSubProPtr sub) |
virtual void | constructVertex (tSubProPtr sub, const ColourLines *cl) |
virtual int | nDim () const |
virtual bool | generateKinematics (const double *r)=0 |
virtual bool | wantCMS () const |
virtual bool | headCuts () const |
virtual bool | ignoreCuts () const |
virtual bool | apply () const |
virtual CrossSection | dSigHatDR () const=0 |
virtual map< string, double > | generateOptionalWeights () |
virtual bool | haveX1X2 () const |
virtual bool | havePDFWeight1 () const |
virtual bool | havePDFWeight2 () const |
virtual bool | keepRandomNumbers () const |
virtual void | generateSubCollision (SubProcess &) |
virtual void | clearKinematics () |
virtual void | getDiagrams () const=0 |
virtual bool | noMirror () const |
const DiagramVector & | diagrams () const |
virtual Selector< const ColourLines * > | colourGeometries (tcDiagPtr diag) const=0 |
virtual const ColourLines & | selectColourGeometry (tcDiagPtr diag) const |
virtual Selector< DiagramIndex > | diagrams (const DiagramVector &) const |
virtual DiagramIndex | diagram (const DiagramVector &) const |
bool | reweighted () const |
double | reWeight () const |
double | preWeight () const |
void | addReweighter (tReweightPtr rw) |
void | addPreweighter (tReweightPtr rw) |
Ptr< Amplitude >::pointer | amplitude () const |
void | amplitude (Ptr< Amplitude >::pointer amp) |
Energy2 | sHat () const |
double | preweight () const |
virtual void | flushCaches () |
virtual StdXCombPtr | makeXComb (Energy newMaxEnergy, const cPDPair &inc, tEHPtr newEventHandler, tSubHdlPtr newSubProcessHandler, tPExtrPtr newExtractor, tCascHdlPtr newCKKW, const PBPair &newPartonBins, tCutsPtr newCuts, const DiagramVector &newDiagrams, bool mir, const PartonPairVec &allPBins, tStdXCombPtr newHead=tStdXCombPtr(), tMEPtr newME=tMEPtr()) |
virtual StdXCombPtr | makeXComb (tStdXCombPtr newHead, const PBPair &newPartonBins, const DiagramVector &newDiagrams, tMEPtr newME=tMEPtr()) |
virtual void | fillProjectors () |
virtual void | setXComb (tStdXCombPtr) |
const DVector & | meInfo () const |
void | meInfo (const DVector &info) const |
virtual int | maxMultCKKW () const |
virtual int | minMultCKKW () const |
virtual void | maxMultCKKW (int mult) |
virtual void | minMultCKKW (int mult) |
virtual void | setVetoScales (tSubProPtr) const |
void | persistentOutput (PersistentOStream &os) const |
void | persistentInput (PersistentIStream &is, int version) |
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 |
Public Member Functions inherited from ThePEG::LastXCombInfo< StandardXComb > | |
const XC & | lastXComb () const |
const XC & | lastXComb () const |
tXCPtr | lastXCombPtr () const |
tXCPtr | lastXCombPtr () const |
const XC & | lastHeadXComb () const |
const XC & | lastHeadXComb () const |
tXCPtr | lastHeadXCombPtr () const |
tXCPtr | lastHeadXCombPtr () const |
const EventHandler & | lastEventHandler () const |
const EventHandler & | lastEventHandler () const |
tPExtrPtr | lastExtractor () const |
tPExtrPtr | lastExtractor () const |
PDFT | pdf (tcPPtr parton) const |
PDFT | pdf (tcPPtr parton) const |
const Cuts & | lastCuts () const |
const Cuts & | lastCuts () const |
tCutsPtr | lastCutsPtr () const |
tCutsPtr | lastCutsPtr () const |
const PPair & | lastParticles () const |
const PPair & | lastParticles () const |
Energy2 | lastS () const |
Energy2 | lastS () const |
const PPair & | lastPartons () const |
const PPair & | lastPartons () const |
Energy2 | lastSHat () const |
Energy2 | lastSHat () const |
double | lastTau () const |
double | lastTau () const |
double | lastY () const |
double | lastY () const |
double | lastP1 () const |
double | lastP1 () const |
double | lastP2 () const |
double | lastP2 () const |
double | lastL1 () const |
double | lastL1 () const |
double | lastL2 () const |
double | lastL2 () const |
double | lastX1 () const |
double | lastX1 () const |
double | lastX2 () const |
double | lastX2 () const |
double | lastE1 () const |
double | lastE1 () const |
double | lastE2 () const |
double | lastE2 () const |
double | lastFL1L2 () const |
double | lastFL1L2 () const |
Energy2 | lastScale () const |
double | lastAlphaS () const |
double | lastAlphaEM () const |
const vector< Lorentz5Momentum > & | meMomenta () const |
double | lastME2 () const |
double | lastPreweight () const |
double | jacobian () const |
CrossSection | lastMECrossSection () const |
double | lastMEPDFWeight () const |
double | lastMECouplings () const |
tSubProPtr | subProcess () const |
const cPDVector & | mePartonData () const |
Protected Member Functions | |
bool | applyHard (ParticleVector &quarks, vector< tcBeamPtr > beams, Lorentz5Momentum boson, unsigned int &iemit, unsigned int &itype, vector< Lorentz5Momentum > &pnew, LorentzRotation &trans, pair< double, double > &xnew, Energy2 shad) |
Return the momenta and type of hard matrix element correction. | |
double | getResult (int emis_type, Energy pt, double yj) |
Returns the matrix element for a given type of process, rapidity of the jet \(y_j\) and transverse momentum \(p_T\). | |
bool | getEvent (vector< Lorentz5Momentum > &pnew, int &emissiontype) |
generates the hardest emission (yj,p) | |
Protected Member Functions inherited from Herwig::HwMEBase | |
Energy2 | tHat () const |
Return the \(\hat{t}\) of the last set phase space point. | |
Energy2 | uHat () const |
Return the \(\hat{u}\) of the last set phase space point. | |
double | phi () const |
Return the azimuth angle of the last set phase space point. | |
void | tHat (Energy2 e2) |
Set the \(\hat{t}\) of the last set phase space point. | |
void | uHat (Energy2 e2) |
Set the \(\hat{u}\) of the last set phase space point. | |
void | phi (double phi) |
Set the azimuth angle of the last set phase space point. | |
void | massOption (vector< unsigned int > iopt) |
Set the treatment of the outgoing masses. | |
void | rescalingOption (unsigned int iopt) |
Rescaled momenta for the helicity ME. | |
bool | rescaleMomenta (const vector< Lorentz5Momentum > &, const cPDVector &) |
rescale the momenta for the computation of the helicity matrix element | |
const vector< Lorentz5Momentum > & | rescaledMomenta () const |
Access to the rescaled momenta. | |
bool | generateMasses (vector< Energy > &masses, double &mjac, const double *r) |
Generate the masses of the particles. | |
virtual double | getCosTheta (double cthmin, double cthmax, const double r) |
Used internally by generateKinematics, after calculating the limits on cos(theta). | |
Protected Member Functions inherited from ThePEG::MEBase | |
virtual void | doinit () |
virtual void | doinitrun () |
void | add (DiagPtr dp) const |
vector< Lorentz5Momentum > & | meMomenta () |
void | lastME2 (double v) const |
void | lastPreweight (double w) const |
void | lastMECrossSection (CrossSection v) const |
void | lastMEPDFWeight (double v) const |
void | lastMECouplings (double v) const |
void | jacobian (double j) |
void | use (tcMEPtr other) |
void | useDiagrams (tcMEPtr other) const |
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. | |
Energy2 | mb2_ |
Mass squared of the vector boson. | |
double | _channelwgtA |
Parameters for the old-style ME correction. | |
double | _channelwgtB |
Relative weight for the \(qg\) and \(\bar{q}g\) channels. | |
vector< double > | _channelweights |
Weights for the channels as a vector. | |
unsigned int | _nover |
Number of weights greater than 1. | |
double | _maxwgt |
Maximum weight. | |
double | _power |
Constants for the sampling. | |
double | _preqqbar |
The prefactor, \(c\) for the \(q\bar{q}\) channel. | |
double | _preqg |
The prefactor, \(c\) for the \(qg\) channel. | |
double | _pregqbar |
The prefactor, \(c\) for the \(g\bar{q}\) channel. | |
vector< double > | _prefactor |
The prefactors as a vector for easy use. | |
vector< tcBeamPtr > | _beams |
Properties of the incoming particles. | |
vector< tcPDPtr > | _partons |
Pointers to the ParticleDataObjects for the partons. | |
double | _yb |
Properties of the boson and jets. | |
Energy | _mass |
The mass of the gauge boson. | |
bool | _quarkplus |
Whether the quark is in the + or - z direction. | |
double | _yj |
the rapidity of the jet | |
Energy | _pt |
The transverse momentum of the jet. | |
Energy | _min_pt |
The transverse momentum of the jet. | |
ShowerAlphaPtr | _alpha |
Pointer to the object calculating the strong coupling. | |
virtual void | doinit () |
Initialize this object after the setup phase before saving an EventGenerator to disk. | |
virtual void | dofinish () |
Finalize this object. | |
DrellYanBase & | operator= (const DrellYanBase &)=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 | |
Public Types inherited from Herwig::HwMEBase | |
enum | POWHEGType { No , ISR , FSR , Both } |
Virtual members to be overridden by inheriting classes which implement hard corrections. More... | |
Public Types inherited from ThePEG::MEBase | |
typedef vector< DiagPtr > | DiagramVector |
typedef DiagramVector::size_type | DiagramIndex |
typedef vector< ReweightPtr > | ReweightVector |
Public Types inherited from ThePEG::InterfacedBase | |
enum | InitState |
Public Types inherited from ThePEG::Pointer::ReferenceCounted | |
typedef unsigned int | CounterType |
Public Types inherited from ThePEG::LastXCombInfo< StandardXComb > | |
typedef ThePEG::Ptr< XC >::pointer | XCPtr |
typedef ThePEG::Ptr< XC >::const_pointer | cXCPtr |
typedef ThePEG::Ptr< XC >::transient_pointer | tXCPtr |
typedef ThePEG::Ptr< XC >::transient_const_pointer | tcXCPtr |
Static Public Member Functions inherited from Herwig::HwMEBase | |
static void | Init () |
The standard Init function used to initialize the interfaces. | |
Static Public Member Functions inherited from ThePEG::MEBase | |
static void | Init () |
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) |
Protected Attributes inherited from ThePEG::LastXCombInfo< StandardXComb > | |
XCPtr | theLastXComb |
The DrellYanBase class class provides a base class for the implemented of Drell-Yan type processes and provides the matrix element and POWHEG style hard corrections.
Definition at line 23 of file DrellYanBase.h.
|
protected |
Return the momenta and type of hard matrix element correction.
quarks | The original incoming particles. |
beams | The BeamParticleData objects |
boson | The momentum of the original outgoing gauge boson |
iemit | Whether the first (0) or second (1) particle emitted the radiation |
itype | The type of radiated particle (0 is gluon, 1 is quark and 2 is antiquark) |
pnew | The momenta of the new particles |
trans | The LorentzRotation from the boson rest frame to the new lab |
xnew | The new values of the momentuym fractions |
|
virtual |
Apply the hard matrix element correction to a given hard process or decay.
Reimplemented from Herwig::HwMEBase.
|
protectedvirtual |
Finalize this object.
Called in the run phase just after a run has ended. Used eg. to write out statistics.
Reimplemented from ThePEG::InterfacedBase.
|
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::MEBase.
Reimplemented in Herwig::MEPP2WH, Herwig::MEPP2ZH, Herwig::MEqq2gZ2ff, Herwig::MEqq2W2ff, Herwig::MEee2ZH, Herwig::MEfftoVH, Herwig::MEPP2WHPowheg, Herwig::MEPP2ZHPowheg, Herwig::MEqq2gZ2ffPowheg, and Herwig::MEqq2W2ffPowheg.
|
virtual |
Apply the POWHEG style correction.
Reimplemented from Herwig::HwMEBase.
|
protected |
generates the hardest emission (yj,p)
pnew | The momenta of the new particles |
emissiontype | The type of emission, as for getResult |
|
protected |
Returns the matrix element for a given type of process, rapidity of the jet \(y_j\) and transverse momentum \(p_T\).
emis_type | the type of emission, (0 is \(q\bar{q}\to Vg\), 1 is \(qg\to Vq\) and 2 is \(g\bar{q}\to V\bar{q}\)) |
pt | The transverse momentum of the jet |
yj | The rapidity of the jet |
|
inlinevirtual |
Has an old fashioned ME correction.
Reimplemented from Herwig::HwMEBase.
Reimplemented in Herwig::MEee2ZH.
Definition at line 43 of file DrellYanBase.h.
References _alpha.
|
inlinevirtual |
Has a POWHEG style correction.
Reimplemented from Herwig::HwMEBase.
Reimplemented in Herwig::MEee2ZH.
Definition at line 37 of file DrellYanBase.h.
|
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.
|
inlinevirtual |
Initialize the ME correction.
Reimplemented from Herwig::HwMEBase.
Definition at line 48 of file DrellYanBase.h.
|
privatedelete |
The assignment operator is private and must never be called.
In fact, it should not even be implemented.
void Herwig::DrellYanBase::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::DrellYanBase::persistentOutput | ( | PersistentOStream & | os | ) | const |
Function used to write out object persistently.
os | the persistent output stream written to. |
|
inlinevirtual |
Set the typed and momenta of the incoming and outgoing partons to be used in subsequent calls to me() and colourGeometries() according to the associated XComb object.
Reimplemented from Herwig::HwMEBase.
Reimplemented in Herwig::MEfftoVH.
Definition at line 91 of file DrellYanBase.h.
References mb2_, Herwig::HwMEBase::setKinematics(), and ThePEG::MEBase::sHat().
|
virtual |
Apply the soft matrix element correction.
parent | The initial particle in the current branching |
progenitor | The progenitor particle of the jet |
fs | Whether the emission is initial or final-state |
highestpT | The highest pT so far in the shower |
ids | ids of the particles produced in the branching |
z | The momentum fraction of the branching |
scale | the evolution scale of the branching |
pT | The transverse momentum of the branching |
Reimplemented from Herwig::HwMEBase.
|
private |
Pointer to the object calculating the strong coupling.
Definition at line 310 of file DrellYanBase.h.
Referenced by hasMECorrection().
|
private |
Properties of the incoming particles.
Pointers to the BeamParticleData objects
Definition at line 264 of file DrellYanBase.h.
|
private |
Weights for the channels as a vector.
Definition at line 213 of file DrellYanBase.h.
|
private |
Parameters for the old-style ME correction.
Relative weight for the \(q\bar{q}\) and \(q/\bar{q}g\) channels
Definition at line 203 of file DrellYanBase.h.
|
private |
Relative weight for the \(qg\) and \(\bar{q}g\) channels.
Definition at line 208 of file DrellYanBase.h.
|
private |
The mass of the gauge boson.
Definition at line 284 of file DrellYanBase.h.
|
private |
Maximum weight.
Definition at line 223 of file DrellYanBase.h.
|
private |
The transverse momentum of the jet.
Definition at line 305 of file DrellYanBase.h.
|
private |
Number of weights greater than 1.
Definition at line 218 of file DrellYanBase.h.
|
private |
Pointers to the ParticleDataObjects for the partons.
Definition at line 269 of file DrellYanBase.h.
|
private |
Constants for the sampling.
The distribution is assumed to have the form \(\frac{c}{{\rm GeV}}\times\left(\frac{{\rm GeV}}{p_T}\right)^n\) The power, \(n\), for the sampling
Definition at line 234 of file DrellYanBase.h.
|
private |
The prefactors as a vector for easy use.
Definition at line 254 of file DrellYanBase.h.
|
private |
The prefactor, \(c\) for the \(g\bar{q}\) channel.
Definition at line 249 of file DrellYanBase.h.
|
private |
The prefactor, \(c\) for the \(qg\) channel.
Definition at line 244 of file DrellYanBase.h.
|
private |
The prefactor, \(c\) for the \(q\bar{q}\) channel.
Definition at line 239 of file DrellYanBase.h.
|
private |
The transverse momentum of the jet.
Definition at line 299 of file DrellYanBase.h.
|
private |
Whether the quark is in the + or - z direction.
Definition at line 289 of file DrellYanBase.h.
|
private |
Properties of the boson and jets.
The rapidity of the gauge boson
Definition at line 279 of file DrellYanBase.h.
|
private |
the rapidity of the jet
Definition at line 294 of file DrellYanBase.h.
|
private |
Mass squared of the vector boson.
Definition at line 194 of file DrellYanBase.h.
Referenced by setKinematics().