GRV94M iherits from PDFBase via the GRVBase class and implements the GRV94M parton densities for (anti) protons ad neutrons. More...

#include <GRV94M.h>

Inheritance diagram for ThePEG::GRV94M:

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List of all members.

Static Public Member Functions
static void	Init ()
	Standard Init function used to initialize the interface.

Protected Member Functions
virtual void	setup (double l, Energy2 scale) const
	Setup the l $=\log{1/x}$ and scale to be used in the following call to uv(), dv)=, etc.
virtual double	uv () const
	Return the value of the u valens density for the values previously given by setup().
virtual double	dv () const
	Return the value of the d valens density for the values previously given by setup().
virtual double	del () const
	Return the value of the difference between the u and d sea densities for the values previously given by setup().
virtual double	udb () const
	Return the value of the average u and d sea densities for the values previously given by setup().
virtual double	sb () const
	Return the value of the s density for the values previously given by setup().
virtual double	cb () const
	Return the value of the c density for the values previously given by setup().
virtual double	bb () const
	Return the value of the b density for the values previously given by setup().
virtual double	gl () const
	Return the value of the gluon densities for the values previously given by setup().
Clone Methods.
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.
Protected Member Functions inherited from ThePEG::GRVBase
void	setup (double l, Energy2 scale, Energy2 mu2, Energy2 lam2) const
	Setup the l $=\log{1/x}$ and scale to be used in the following call to uv(), dv)=, etc.
double	valens (double N, double ak, double bk, double a, double b, double c, double d) const
	The form of the valens density functions.
double	lightsea (double al, double be, double ak, double bk, double a, double b, double c, double d, double e, double es) const
	The form of the light sea and gluon density functions.
double	heavysea (double sth, double al, double be, double ak, double ag, double b, double d, double e, double es) const
	The form of the heavy sea density functions.
double	fuv () const
	fuv() returns the saved values from the quv() functions if present.
double	fdv () const
	fdv() returns the saved values from the dv() functions if present.
double	fdel () const
	fdel() returns the saved values from the del() functions if present.
double	fudb () const
	fudb() returns the saved values from the udb() functions if present.
double	fsb () const
	fsb() returns the saved values from the sb() functions if present.
double	fcb () const
	fcb() returns the saved values from the cb() functions if present.
double	fbb () const
	fbb() returns the saved values from the bb() functions if present.
double	fgl () const
	fgl() returns the saved values from the gl() functions if present.
Protected Member Functions inherited from ThePEG::PDFBase
virtual void	doinit ()
	Initialize this object after the setup phase before saving an EventGenerator to disk.

Private Member Functions
Energy2	mu2 () const
	Return the cutoff scale.
Energy2	lam2 () const
	Return the square of $\Lambda_{QCD}$ used.
GRV94M &	operator= (const GRV94M &)
	Private and non-existent assignment operator.

Static Private Attributes
static NoPIOClassDescription < GRV94M >	initGRV94M
	Describe a concrete class without persistent data.

Additional Inherited Members
Public Member Functions inherited from ThePEG::GRVBase
	GRVBase ()
	Default constructor.
virtual	~GRVBase ()
	Destructor.
virtual bool	canHandleParticle (tcPDPtr particle) const
	Return true if this PDF can handle the extraction of parton from the given particle, ie.
virtual cPDVector	partons (tcPDPtr p) const
	Return the parton types which are described by these parton densities.
virtual double	xfl (tcPDPtr particle, tcPDPtr parton, Energy2 partonScale, double l, Energy2 particleScale) const
	Return the value of the density of parton at the given a scale and log fractional momentum l (the optional virtuality of the incoming particle is not used).
virtual double	xfvl (tcPDPtr particle, tcPDPtr parton, Energy2 partonScale, double l, Energy2 particleScale) const
	Return the valaens partof the density of parton at the given a scale and log fractional momentum l (the optional virtuality of the incoming particle is not used).
double	S () const
	Return last selected .
double	S2 () const
	Return last selected .
double	S3 () const
	Return last selected .
double	rootS () const
	Return last selected $\sqrt{S}$ .
double	x () const
	Return last selected momentum fraction, .
double	lx () const
	Return last selected logarithmic momentum fraction $l=\log(1/x)$ .
double	eps () const
	Return one minus the last selected momentum fraction, eps .
double	rootx () const
	Return the square root of the last selected momentum fraction, .
Public Member Functions inherited from ThePEG::PDFBase
tcRemHPtr	remnantHandler () const
	Pointer to the remnant handler to handle remnant when extracting partons according to these densities.
	PDFBase ()
	Default constructor.
	PDFBase (const PDFBase &)
	Copy-constructor.
virtual	~PDFBase ()
	Destructor.
virtual bool	canHandle (tcPDPtr particle) const
	Return true if canHandleParticle() and if the corresponding method for remnantHandler() returns true for the given particle.
virtual bool	hasPoleIn1 (tcPDPtr particle, tcPDPtr parton) const
	Return true if this PDF has a pole at $x=1$ for the given particle and parton.
virtual double	xfx (tcPDPtr particle, tcPDPtr parton, Energy2 partonScale, double x, double eps=0.0, Energy2 particleScale=ZERO) const
	The density.
virtual double	xfvx (tcPDPtr particle, tcPDPtr parton, Energy2 partonScale, double x, double eps=0.0, Energy2 particleScale=ZERO) const
	The valence density.
virtual double	xfsl (tcPDPtr particle, tcPDPtr parton, Energy2 partonScale, double l, Energy2 particleScale=ZERO) const
	The sea density.
virtual double	xfsx (tcPDPtr particle, tcPDPtr parton, Energy2 partonScale, double x, double eps=0.0, Energy2 particleScale=ZERO) const
	The sea density.
virtual double	flattenL (tcPDPtr particle, tcPDPtr parton, const PDFCuts &cut, double z, double &jacobian) const
	Generate a momentum fraction.
virtual double	flattenScale (tcPDPtr particle, tcPDPtr parton, const PDFCuts &cut, double l, double z, double &jacobian) const
	Generate scale (as a fraction of the maximum scale).
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.