9 #ifndef ThePEG_O1AlphaS_H
10 #define ThePEG_O1AlphaS_H
13 #include "AlphaSBase.h"
55 virtual unsigned int nloops ()
const {
return 1; }
170 struct ClassTraits<O1AlphaS>:
public ClassTraitsBase<O1AlphaS> {
172 static string className() {
return "ThePEG::O1AlphaS"; }
176 static string library() {
return "O1AlphaS.so"; }
PersistentIStream is used to read persistent objects from a stream where they were previously written...
StandardModelBase is used to handle standard model parameters in an EventGenerator.
ClassTraitsType is an empty, non-polymorphic, base class.
A concreate implementation of ClassDescriptionBase describing a concrete class with persistent data...
virtual vector< Energy > LambdaQCDs() const
Return the used for different numbers of active flavours.
int theMaxFlav
The maximum number of active flavours.
PersistentOStream is used to write objects persistently to a stream from which they can be read in ag...
This is the main namespace within which all identifiers in ThePEG are declared.
static ClassDescription< O1AlphaS > initO1AlphaS
Describe a concrete class with persistent data.
void persistentInput(PersistentIStream &is, int version)
Function used to read in object persistently.
virtual double value(Energy2 scale, const StandardModelBase &) const
The .
static void Init()
Standard Init function used to initialize the interface.
AlphaSBase is an abstract base class used by the StandardModelBase to implement the QCD coupling...
virtual vector< Energy2 > flavourThresholds() const
Return the flavour thresholds used.
QTY< 0, 1, 0 >::Type Energy
Energy.
O1AlphaS inherits from AlphaSBase and implements the leading order running QCD coupling.
static string library()
The name of a file containing the dynamic library where the class T is implemented.
O1AlphaS & operator=(const O1AlphaS &)
Private and non-existent assignment operator.
virtual IBPtr fullclone() const
Make a clone of this object, possibly modifying the cloned object to make it sane.
virtual unsigned int nloops() const
Return the number of loops contributing to the running this coupling.
virtual IBPtr clone() const
Make a simple clone of this object.
RCPtr is a reference counted (smart) pointer.
Energy theLambdaQCD
The for the number of flavours specified by theLambdaFlavour.
const ZeroUnit ZERO
ZERO can be used as zero for any unitful quantity.
int getMaxFlav() const
Return the maximum number of active flavours.
Energy Q0
The scale below which is frozen.
static string className()
Return the name of class T.
int theLambdaFlavour
The number of flavours for which theLambdaQCD is given.
int NthBase
The type of the BaseN'th base class (int means there are no further base classes).
O1AlphaS()
Default constructor.
BaseClassTraits describes the base classes of the templated class.
void persistentOutput(PersistentOStream &os) const
Function used to write out object persistently.