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ThePEG 2.3.0
ThePEG::ReweightMinPT Class Reference

The ReweightMinPT class reweights matrix elements with the minimum of the transverse momenta of the outgoing partons to some power. More...

#include <ReweightMinPT.h>

Inheritance diagram for ThePEG::ReweightMinPT:

Public Member Functions

Standard constructors and destructors.
 ReweightMinPT ()
 Default constructor.
 
virtual double weight () const
 Return the wieght for the kinematical configuation provided by the assigned XComb object (in the LastXCombInfo base class).
 
- Public Member Functions inherited from ThePEG::ReweightBase
virtual ~ReweightBase ()
 Destructor.
 
void setXComb (tXCombPtr xc)
 Assigne an XComb object with information about the sub-process to be used in the reweighting.
 
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::HandlerBaseT< UseRandom >
virtual ~HandlerBaseT ()
 Destructor.
 
double rnd () const
 Return a simple flat random number in the range ]0,1[.
 
double rnd (double xu) const
 Return a simple flat random number in the range ]0,xu[.
 
double rnd (double xl, double xu) const
 Return a simple flat random number in the range ]xl,xu[.
 
bool rndbool () const
 Return true with 50% probability.
 
bool rndbool (double p) const
 Return a true with probability p.
 
bool rndbool (double p1, double p2) const
 Return a true with probability p1/(p1+p2).
 
int rndsign (double p1, double p2, double p3) const
 Return -1, 0, or 1 with relative probabilities p1, p2, p3.
 
int rnd2 (double p0, double p1) const
 Return an integer \(i\) with probability p \(i\)/(p0+p1).
 
int rnd3 (double p0, double p1, double p2) const
 Return an integer \(i\) with probability p \(i\)/(p0+p1+p2).
 
int rnd4 (double p0, double p1, double p2, double p3) const
 Return an integer/ \(i\) with probability p \(i\)(p0+p1+p2+p3).
 
long irnd (long xu=2) const
 Return a simple flat random integrer number in the range [0,xu[.
 
long irnd (long xl, long xu) const
 Return a simple flat random integrer number in the range [xl,xu[.
 
const StandardModelBaseSM () const
 Return a reference to the object containing the standard model parameters for this run.
 
tSMPtr standardModel () const
 Return a pointer to the object containing the standard model parameters for this run.
 
- Public Member Functions inherited from ThePEG::Interfaced
virtual ~Interfaced ()
 Empty virtual destructor.
 
virtual bool defaultInit ()
 Functions which are to be used during the actual event generation, after the setup is complete.
 
PPtr getParticle (PID) const
 Create a new Particle instance given a id number.
 
PDPtr getParticleData (PID) const
 Return a pointer to the ParticleData object corresponding to the given id number.
 
bool used () const
 Returns true if this object has actally been used.
 
void useMe () const
 Should be called to indicate that this object has actually been used.
 
tEGPtr generator () const
 Return a pointer to the EventGenerator controlling the run.
 
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::InterfacedBase
virtual ~InterfacedBase ()
 The virtual (empty) destructor;.
 
string fullName () const
 Returns the full name of this object including its path, e.g.
 
string name () const
 Returns the name of this object, without the path.
 
string path () const
 Returns the path to this object including the trailing '/'.
 
string comment () const
 Returns a comment assigned to this object.
 
void setup (istream &is)
 Read setup info from a standard istream is.
 
void update ()
 Calls the doupdate() function with recursion prevention.
 
void init ()
 Calls the doinit() function with recursion prevention.
 
virtual bool preInitialize () const
 Return true if this object needs to be initialized before all other objects (except those for which this function also returns true).
 
void initrun ()
 Calls the doinitrun() function with recursion prevention.
 
void finish ()
 Calls the dofinish() function with recursion prevention.
 
void touch ()
 This function should be called every time something in this object has changed in a way that a sanity check with update() is needed.
 
void reset ()
 Set the state of this object to uninitialized.
 
void clear ()
 Calls reset() and unTouch().
 
InitState state () const
 Return the state of initialization of this object.
 
bool locked () const
 Return true if the BaseRepository is not allowed to change the state of this object.
 
bool touched () const
 Return true if the state of this object has been changed since the last call to update().
 
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.
 
virtual void debugme () const
 Print out debugging information for this object on std::cerr.
 
- Public Member Functions inherited from ThePEG::Base
virtual ~Base ()
 The virtual destructor.
 
void debug () const
 Print out debugging information for this object on std::cerr.
 
virtual void debugme () const
 Print out debugging information for this object on std::cerr.
 
- Public Member Functions inherited from ThePEG::Pointer::ReferenceCounted
CounterType referenceCount () const
 Return the reference count.
 
- Public Member Functions inherited from ThePEG::Named
 Named (const string &newName=string())
 Constructor with name.
 
 Named (const Named &)=default
 Explicit default copy-constructor (too avoid compiler warnings)
 
const string & name () const
 Return name.
 
bool operator== (const Named &other) const
 Test for equality.
 
bool operator< (const Named &other) const
 Lexicographical comparison.
 
- Public Member Functions inherited from ThePEG::LastXCombInfo< XC >
const XC & lastXComb () const
 Return a reference to the last selected XComb.
 
tXCPtr lastXCombPtr () const
 Return a pointer to the last selected XComb.
 
const XC & lastHeadXComb () const
 If the last selected XComb object belongs to a group of XComb's return a reference to the head XComb object for this group.
 
tXCPtr lastHeadXCombPtr () const
 If the last selected XComb object belongs to a group of XComb's return a pointer to the head XComb object for this group.
 
const EventHandlerlastEventHandler () const
 Return a reference to the currently used EventHandler.
 
tPExtrPtr lastExtractor () const
 A pointer to the currently used parton extractor.
 
template<typename PDFT >
PDFT pdf (tcPPtr parton) const
 Return the parton density used to extract the given parton.
 
const CutslastCuts () const
 A reference to the currently used kinematical cuts.
 
tCutsPtr lastCutsPtr () const
 A pointer to the currently used kinematical cuts.
 
const PPairlastParticles () const
 Return the pair of incoming parton instances.
 
Energy2 lastS () const
 The last generated total energy squared of the incoming particles.
 
const PPairlastPartons () const
 Return the pair of incoming parton instances.
 
Energy2 lastSHat () const
 The last used interval in total parton-parton energy squared.
 
double lastTau () const
 Return lastSHat()/lastS().
 
double lastY () const
 The generated rapidity of the hard scattering sub-system.
 
double lastP1 () const
 Log of one over the momentum fraction of the first incoming particle w.r.t.
 
double lastP2 () const
 Log of one over the momentum fraction of the second incoming particle w.r.t.
 
double lastL1 () const
 Log of one over the first incoming parton momentum fraction w.r.t.
 
double lastL2 () const
 Log of one over the second incoming parton momentum fraction w.r.t.
 
double lastX1 () const
 The first incoming parton momentum fraction w.r.t.
 
double lastX2 () const
 The second incoming parton momentum fraction w.r.t.
 
double lastE1 () const
 Return 1-lastX1() to highest possible precision for x \(\rightarrow\) 1.
 
double lastE2 () const
 Return 1-lastX2() to highest possible precision for x \(\rightarrow\) 1.
 
double lastFL1L2 () const
 The product of the parton density functions at the last generated phase-space point.
 
Energy2 lastScale () const
 The chosen scale of the hard scattering.
 
double lastAlphaS () const
 Get the \(\alpha_S\) used in the hard scattering.
 
double lastAlphaEM () const
 Get the \(\alpha_{EM}\) used in the hard scattering.
 
const vector< Lorentz5Momentum > & meMomenta () const
 Return the momenta of the incoming and outgoing partons to be used by the matrix element object, in the order specified by the TreeDiagram objects given by the matrix element.
 
double lastME2 () const
 Return the matrix element squared as calculated for the last phase space point.
 
double lastPreweight () const
 Return the last preweight factor.
 
double jacobian () const
 Get the last jacobian obtained when generating the kinematics for the call to dSigHatDR.
 
CrossSection lastMECrossSection () const
 Return the partonic cross section as calculated for the last phase space point.
 
double lastMEPDFWeight () const
 Return the PDF weight as calculated for the last phase space point, if the matrix element does supply PDF weights.
 
double lastMECouplings () const
 Return the coupling weight as calculated for the last phase space point.
 
tSubProPtr subProcess () const
 Return the SubProcess object corresponding to the last generated sub-process.
 
const cPDVectormePartonData () const
 Return the incoming and outgoing parton types to be used by the matrix element object, in the order specified by the TreeDiagram objects given by the matrix element.
 

Clone Methods.

double power
 The weight is the minimum pt/scale to a power.
 
Energy scale
 The weight is the minimum pt/scale to a power.
 
bool onlyColoured
 Flag to indicate that only coloured partons should be considered.
 
static ClassDescription< ReweightMinPTinitReweightMinPT
 Describe a concrete base class with persistent data.
 
virtual IBPtr clone () const
 Make a simple clone of this object.
 
virtual IBPtr fullclone () const
 Make a clone of this object, possibly modifying the cloned object to make it sane.
 
ReweightMinPToperator= (const ReweightMinPT &)=delete
 Private and non-existent assignment operator.
 

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 ()
 Standard Init function used to initialize the interfaces.
 

Additional Inherited Members

- Public Types inherited from ThePEG::InterfacedBase
enum  InitState { initializing = -1 , uninitialized = 0 , initialized = 1 , runready = 2 }
 Enumeration reflecting the state of an InterfacedBase object. More...
 
- Public Types inherited from ThePEG::Pointer::ReferenceCounted
typedef unsigned int CounterType
 The integer type used for counting.
 
- Public Types inherited from ThePEG::LastXCombInfo< XC >
typedef ThePEG::Ptr< XC >::pointer XCPtr
 Alias for a reference counted pointer to XC .
 
typedef ThePEG::Ptr< XC >::const_pointer cXCPtr
 Alias for a reference counted pointer to a const XC .
 
typedef ThePEG::Ptr< XC >::transient_pointer tXCPtr
 Alias for a transient pointer to XC .
 
typedef ThePEG::Ptr< XC >::transient_const_pointer tcXCPtr
 Alias for a transient pointer to a const XC .
 
- Static Public Member Functions inherited from ThePEG::ReweightBase
static void Init ()
 Standard Init function used to initialize the interfaces.
 
- Static Public Member Functions inherited from ThePEG::HandlerBase
static void Init ()
 Standard Init function used to initialize the interface.
 
- Static Public Member Functions inherited from ThePEG::Interfaced
static void Init ()
 Standard Init function.
 
- Static Public Member Functions inherited from ThePEG::InterfacedBase
static void Init ()
 Standard Init function.
 
- Static Public Member Functions inherited from ThePEG::Base
static void Init ()
 The standard Init function used to initialize the interfaces.
 
- Public Attributes inherited from ThePEG::Pointer::ReferenceCounted
const unsigned long uniqueId
 The unique ID.
 
- Protected Member Functions inherited from ThePEG::Interfaced
void reporeg (IBPtr object, string name) const
 Register the given object in the Repository with the given name in a subdirectory with the same name as this object.
 
template<typename PtrT >
bool setDefaultReference (PtrT &ptr, string classname, string objectname)
 If the pointer, ptr, to an object is not set, create an object of class classname and register it with the Repository with the given objectname in a sib-directory with the same name as this object.
 
 Interfaced ()
 Protected default constructor.
 
 Interfaced (const string &newName)
 Protected constructor taking a name as argument.
 
 Interfaced (const Interfaced &i)
 Protected copy-constructor.
 
void setGenerator (tEGPtr generator)
 Protected function to reset the generator pointer, required for automatic decayer generation in Herwig++ BSM models.
 
- Protected Member Functions inherited from ThePEG::InterfacedBase
virtual void readSetup (istream &is)
 Read setup info from a standard istream is.
 
virtual void doupdate ()
 Check sanity of the object during the setup phase.
 
virtual void doinit ()
 Initialize this object after the setup phase before saving an EventGenerator to disk.
 
virtual void doinitrun ()
 Initialize this object.
 
virtual void dofinish ()
 Finalize this object.
 
virtual IVector getReferences ()
 Return a vector of all pointers to Interfaced objects used in this object.
 
virtual void rebind (const TranslationMap &)
 Rebind pointer to other Interfaced objects.
 
 InterfacedBase ()
 Protected default constructor.
 
 InterfacedBase (string newName)
 Protected constructor with the name given as argument.
 
 InterfacedBase (const InterfacedBase &i)
 Protected copy-constructor.
 
- Protected Member Functions inherited from ThePEG::Pointer::ReferenceCounted
 ReferenceCounted ()
 Default constructor.
 
 ReferenceCounted (const ReferenceCounted &)
 Copy-constructor.
 
ReferenceCountedoperator= (const ReferenceCounted &)
 Assignment.
 
- Protected Member Functions inherited from ThePEG::Named
const Namedoperator= (const Named &other)
 Assignment.
 
const string & name (const string &newName)
 Set new name.
 
- Static Protected Member Functions inherited from ThePEG::Interfaced
static void registerRepository (IBPtr)
 Register an Interfaced object with the Repository.
 
static void registerRepository (IBPtr, string newName)
 Register an Interfaced object with the Repository, giving it a name.
 
- Protected Attributes inherited from ThePEG::LastXCombInfo< XC >
XCPtr theLastXComb
 The pointer to the last selected XComb.
 

Detailed Description

The ReweightMinPT class reweights matrix elements with the minimum of the transverse momenta of the outgoing partons to some power.

See also
ReweightBase

Definition at line 24 of file ReweightMinPT.h.

Constructor & Destructor Documentation

◆ ReweightMinPT()

ThePEG::ReweightMinPT::ReweightMinPT ( )
inline

Default constructor.

Definition at line 33 of file ReweightMinPT.h.

Member Function Documentation

◆ clone()

virtual IBPtr ThePEG::ReweightMinPT::clone ( ) const
protectedvirtual

Make a simple clone of this object.

Returns
a pointer to the new object.

Implements ThePEG::InterfacedBase.

◆ fullclone()

virtual IBPtr ThePEG::ReweightMinPT::fullclone ( ) const
protectedvirtual

Make a clone of this object, possibly modifying the cloned object to make it sane.

Returns
a pointer to the new object.

Reimplemented from ThePEG::InterfacedBase.

◆ persistentInput()

void ThePEG::ReweightMinPT::persistentInput ( PersistentIStream is,
int  version 
)

Function used to read in object persistently.

Parameters
isthe persistent input stream read from.
versionthe version number of the object when written.

◆ persistentOutput()

void ThePEG::ReweightMinPT::persistentOutput ( PersistentOStream os) const

Function used to write out object persistently.

Parameters
osthe persistent output stream written to.

◆ weight()

virtual double ThePEG::ReweightMinPT::weight ( ) const
virtual

Return the wieght for the kinematical configuation provided by the assigned XComb object (in the LastXCombInfo base class).

Implements ThePEG::ReweightBase.

Member Data Documentation

◆ initReweightMinPT

ClassDescription<ReweightMinPT> ThePEG::ReweightMinPT::initReweightMinPT
staticprivate

Describe a concrete base class with persistent data.

Definition at line 107 of file ReweightMinPT.h.

◆ onlyColoured

bool ThePEG::ReweightMinPT::onlyColoured
private

Flag to indicate that only coloured partons should be considered.

Definition at line 100 of file ReweightMinPT.h.

◆ power

double ThePEG::ReweightMinPT::power
private

The weight is the minimum pt/scale to a power.

Definition at line 90 of file ReweightMinPT.h.

◆ scale

Energy ThePEG::ReweightMinPT::scale
private

The weight is the minimum pt/scale to a power.

Definition at line 95 of file ReweightMinPT.h.


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