BOSS_7.0.2: VVS Class Reference

VVS::VVS	(	EvtVector4R	pd1,
		EvtVector4R	pd2,
		EvtVector4R	pd3,
		double	ResonanceMass,
		double	ResonanceWidth,
		double	r1,
		double	r2,
		double	phase1,
		double	phase2
	)			`[inline]`

Definition at line 37 of file EvtVVS.hh.

References _par, _pd, and _res.

00037                                                                                                                                                   {
00039 //     For the decay 1-- -->R(1--) +Pseudoscalar-->3 Pseudoscalars
00040 //  pd1,pd2,pd3: four momentum vector for three daughters
00041 //   ResonanceMass,  ResonanceWidth : resonance parameter for intermediate state R(1--)
00042 //  r1,r2      : the relative coupling strength for two resonaces R R.P.T another R
00043 //  phase1,phase2: the relatev phase of two phases R.P.T another R
00045  _pd[0]=pd1;
00046  _pd[1]=pd2;
00047  _pd[2]=pd3;
00048  _res[0]=ResonanceMass;
00049  _res[1]=ResonanceWidth;
00050  _par[0]=r1;
00051  _par[1]=phase1;
00052  _par[2]=r2;
00053  _par[3]=phase2;
00054  }

double VVS::amps ( )

Definition at line 71 of file EvtVVS.cc.

References _par, abs, amps1(), exp(), and subSeperate::temp.

Referenced by EvtRhoPi::AmplitudeSquare().

00071                  {
00072  double r1=_par[0];
00073  double phase1=_par[1];
00074  double r2=_par[2];
00075  double phase2=_par[3];
00076  double temp=0.0;
00077  int m;
00078  for(m=-1;m<=1;m+=2) temp=temp+pow(abs(r1*exp(EvtComplex(0,phase1))*amps1(m,0,1)+r2*exp(EvtComplex(0,phase2))*amps1(m,0,2)+amps1(m,1,2)),2.);
00079  return temp;
00080  }

EvtComplex VVS::amps1	(	int	m,
		int	i,
		int	j
	)

Definition at line 49 of file EvtVVS.cc.

References _pd, _res, EvtHelSys::Angles(), EvtVector4R::d3mag(), Djmn(), Fij(), EvtVector4R::mass2(), phi1, R00(), s, and subSeperate::temp.

Referenced by amps().

00049                                            {
00050    double mrho=_res[0];
00051    double wrho=_res[1];
00052    double s;
00053    EvtComplex img(0.0,1.0),dpro;
00054    EvtVector4R prho;
00055    prho=_pd[i]+_pd[j];
00056    s=prho.mass2();
00057    dpro=s-mrho*mrho+img*sqrt(s)*wrho;
00058    EvtHelSys angles(prho,_pd[i]),labAngles;
00059    double theta,phi,ct1,st1,phi1,st,ct;
00060    double rpp=angles.getHelAng(0);
00061    theta=angles.getHelAng(1);
00062    phi  =angles.getHelAng(2);
00063    ct1 =labAngles.Angles(prho,1);
00064    phi1=labAngles.Angles(prho,2);
00065    int lamb;
00066    EvtComplex temp(0.0,0.0);
00067    for(lamb=-1;lamb<=1;lamb++) temp=temp+Fij(lamb,0,prho.d3mag())*Djmn(1,m,lamb,phi1,ct1,0.0)/dpro*R00(rpp)*Djmn(1,lamb,0,phi,theta,0.0); 
00068     return temp;
00069   }

double VVS::Fij	(	int	i,
		int	j,
		double	r
	)

Definition at line 40 of file EvtVVS.cc.

References _pd, mass, and subSeperate::temp.

Referenced by amps1().

00040                                         {
00041    double mpsi=(_pd[0]+_pd[1]+_pd[2]).mass();
00042    double temp=mpsi*r;
00043    if(i==0&& j==0) return 0;
00044    if(i==1&& j==0) return temp;
00045    if(i==-1&& j==0) return -temp;
00046  
00047   }

double VVS::R00 ( double r )

Definition at line 36 of file EvtVVS.cc.

Referenced by amps1().

00036                          {
00037   return r;
00038   }

double VVS::_par[5] [private]

Definition at line 63 of file EvtVVS.hh.

Referenced by amps(), and VVS().

EvtVector4R VVS::_pd[5] [private]

Definition at line 61 of file EvtVVS.hh.

Referenced by amps1(), Fij(), and VVS().

double VVS::_res[5] [private]

Definition at line 62 of file EvtVVS.hh.

Referenced by amps1(), and VVS().


Public Member Functions
	VVS (EvtVector4R pd1, EvtVector4R pd2, EvtVector4R pd3, double ResonanceMass, double ResonanceWidth, double r1, double r2, double phase1, double phase2)
double	Fij (int i, int j, double r)
double	R00 (double r)
EvtComplex	amps1 (int m, int i, int j)
double	amps ()
Private Attributes
EvtVector4R	_pd [5]
double	_res [5]
double	_par [5]

VVS Class Reference

Public Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation