chigen::models::chi_2 Class Reference

#include <ColorSingletModels.h>

Inheritance diagram for chigen::models::chi_2:

Public Member Functions
	chi_2 ()
	chi_2 (double ecm)
virtual double	dsdt ()
	ClassDef (chi_2, 1)
Public Member Functions inherited from chigen::models::ColorSingletPartonicModel
	ColorSingletPartonicModel (double ecm, int pdgId, EvtId evtId, EvtSpinDensity spinDensity, double mesonMass, double particleR20, double particleMaxSigma)
virtual void	setSigma ()
virtual bool	setKin ()
bool	setTrialKin ()
	ClassDef (ColorSingletPartonicModel, 1)
Public Member Functions inherited from chigen::PartonicModel
	PartonicModel (double ecm, int pdgId, EvtId evtId, EvtSpinDensity spinDensity, double mesonMass)
virtual	~PartonicModel ()
virtual bool	next ()
	ClassDef (PartonicModel, 1)

Additional Inherited Members
Public Attributes inherited from chigen::models::ColorSingletPartonicModel
double	__S__
double	R20
double	alpS
double	Xmin
double	Xmax
double	Pfct
double	PhSp
double	sH2
double	tH2
double	uH2
Public Attributes inherited from chigen::PartonicModel
double	eCM
int	pdgId
EvtSpinDensity	spinDensity
EvtId	evtId
double	mesonMass
double	mesonMass2
double	x1
double	x2
double	sH
double	tH
double	uH
double	sigma
double	MaxSigma
double	MaxSigmaBackup
int	nCall

Detailed Description

Definition at line 135 of file ColorSingletModels.h.

Constructor & Destructor Documentation

chi_2() [1/2]

chigen::models::chi_2::chi_2 ( )

inline

Definition at line 137 of file ColorSingletModels.h.

: ColorSingletPartonicModel(CHI2_MASS, CHI2_PDG_ID, chigen::evtgen::chi_c2_evt_id, createSpinDensity(2, -1), CHI2_MASS, R20_CHI, 3.65e-06) {}

chi_2() [2/2]

chigen::models::chi_2::chi_2 ( double  ecm )

inline

Definition at line 139 of file ColorSingletModels.h.

: ColorSingletPartonicModel(ecm, CHI2_PDG_ID, chigen::evtgen::chi_c2_evt_id, createSpinDensity(2, -1), CHI2_MASS, R20_CHI, 3.65e-06) {}

Member Function Documentation

ClassDef()

chigen::models::chi_2::ClassDef	(	chi_2	,
		1
	)

dsdt()

virtual double chigen::models::chi_2::dsdt ( )

inlinevirtual

d sigma/ dt

Returns

d sigma/ dt

Reimplemented from chigen::models::ColorSingletPartonicModel.

Definition at line 141 of file ColorSingletModels.h.

  {
    return (128 * M_PI * pow3(alpS) * R20 *
            (6 * pow4(mesonMass2) - 12 * pow3(mesonMass2) * (sH + tH) + sH2 * (sH2 + 2 * sH * tH + 2 * tH2) - 2 * mesonMass2 * sH * (sH2 + 7 * sH * tH + 6 * tH2) +
             pow2(mesonMass2) * (7 * sH2 + 24 * sH * tH + 12 * tH2))) /
           (27 * pow3(mesonMass) * pow4(mesonMass2 - sH) * pow3(sH));
  }

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

• ColorSingletModels.h