ThePEG 2.3.0
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AlphaSBase is an abstract base class used by the StandardModelBase to implement the QCD coupling, \(\alpha_S\). More...
#include <AlphaSBase.h>
Public Member Functions | |
Virtual functions to be overridden by sub-classes. | |
virtual vector< Energy2 > | flavourThresholds () const =0 |
Return the flavour thresholds used. | |
virtual vector< Energy > | LambdaQCDs () const =0 |
Return the \(\Lambda_{QCD}\) used for different numbers of active flavours. | |
Access information about number of flavours and | |
\(\Lambda_{QCD}\). | |
unsigned int | Nf (Energy2 scale) const |
Return the number of avtive quark flavours. | |
Energy | LambdaQCD (unsigned int nflav) const |
Return the \(\Lambda_{QCD}\) used for nflav active flavours. | |
Energy | LambdaQCD (Energy2 scale) const |
Return the \(\Lambda_{QCD}\) used for corresponding given scale. | |
const vector< Energy > & | quarkMasses () const |
Return the quark masses to be used; if not empty these masses should be considered instead of the ones set in the particle data objects. | |
Public Member Functions inherited from ThePEG::RunningCoupling | |
RunningCoupling () | |
The default constructor. | |
virtual double | value (Energy2 scale, const StandardModelBase &sm) const =0 |
Return the value of the coupling at a given scale using the given standard model object, sm. | |
virtual unsigned int | nloops () const |
Return the number of loops contributing to the running this coupling. | |
double | value (Energy2 scale) const |
Return the value of the coupling at a given scale using the StandardModelBase object used by the EventGenerator. | |
virtual double | overestimateValue (Energy2 scale) const |
Return an overestimate to the running coupling at the given scale. | |
virtual double | ratioToOverestimate (Energy2) const |
Return the ratio of the exact to the overestimated value of the running coupling. | |
double | scaleFactor () const |
Return the scale factor, which may be used to globally rescale the argument of the running coupling. | |
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::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(). | |
virtual IBPtr | fullclone () const |
Return a full clone of this object possibly doing things to the clone to make it sane. | |
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. | |
Standard Interfaced functions. | |
vector< Energy > | theQuarkMasses |
The quark masses to be used; if not empty these masses should be considered instead of the ones set in the particle data objects. | |
vector< Energy2 > | theFlavourThresholds |
Flavour thresholds, set from the virtual functions in the initialization. | |
vector< Energy > | theLambdaQCDs |
The values of \(\Lambda_{QCD}\) corresponding to theFlavourThresholds, set from the virtual functions in the initialization. | |
static AbstractClassDescription< AlphaSBase > | initAlphaSBase |
Describe an abstract class with persistent data. | |
virtual void | doinit () |
Initialize this object after the setup phase before saving an EventGenerator to disk. | |
AlphaSBase & | operator= (const AlphaSBase &)=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 interface. | |
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. | |
Static Public Member Functions inherited from ThePEG::RunningCoupling | |
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 | 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. | |
virtual IBPtr | clone () const =0 |
Return a simple clone of this object. | |
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. | |
ReferenceCounted & | operator= (const ReferenceCounted &) |
Assignment. | |
Protected Member Functions inherited from ThePEG::Named | |
const Named & | operator= (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. | |
AlphaSBase is an abstract base class used by the StandardModelBase to implement the QCD coupling, \(\alpha_S\).
The AlphaSBase also encodes the number of active flavours at a given scale and the \(\Lambda_{QCD}\) for a given number of active flavours or for a given scale.
Definition at line 28 of file AlphaSBase.h.
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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.
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pure virtual |
Return the flavour thresholds used.
The returned vector contains (in position i
) the scales when the active number of flavours changes from i
to i+1
.
Implemented in ThePEG::O1AlphaS.
Return the \(\Lambda_{QCD}\) used for corresponding given scale.
Definition at line 69 of file AlphaSBase.h.
References Nf(), and theLambdaQCDs.
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inline |
Return the \(\Lambda_{QCD}\) used for nflav active flavours.
Definition at line 64 of file AlphaSBase.h.
References theLambdaQCDs.
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pure virtual |
Return the \(\Lambda_{QCD}\) used for different numbers of active flavours.
Implemented in ThePEG::O1AlphaS.
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inline |
Return the number of avtive quark flavours.
Definition at line 54 of file AlphaSBase.h.
References theFlavourThresholds.
Referenced by LambdaQCD().
void ThePEG::AlphaSBase::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 ThePEG::AlphaSBase::persistentOutput | ( | PersistentOStream & | os | ) | const |
Function used to write out object persistently.
os | the persistent output stream written to. |
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inline |
Return the quark masses to be used; if not empty these masses should be considered instead of the ones set in the particle data objects.
Definition at line 77 of file AlphaSBase.h.
References theQuarkMasses.
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staticprivate |
Describe an abstract class with persistent data.
Definition at line 143 of file AlphaSBase.h.
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private |
Flavour thresholds, set from the virtual functions in the initialization.
Definition at line 129 of file AlphaSBase.h.
Referenced by Nf().
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private |
The values of \(\Lambda_{QCD}\) corresponding to theFlavourThresholds, set from the virtual functions in the initialization.
Definition at line 136 of file AlphaSBase.h.
Referenced by LambdaQCD().
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private |
The quark masses to be used; if not empty these masses should be considered instead of the ones set in the particle data objects.
Definition at line 123 of file AlphaSBase.h.
Referenced by quarkMasses().