TrigJpsi Class Reference

#include <TrigJpsi.h>

Collaboration diagram for TrigJpsi:

Public Member Functions
	TrigJpsi ()
	TrigJpsi (const CombinedMuonFeature *jpsimuon1, const CombinedMuonFeature *jpsimuon2)
	~TrigJpsi ()
double	mass () const
double	eta () const
double	phi () const
double	et () const
const CombinedMuonFeature *	getDaughter (const int i) const
void	setDaughters (const CombinedMuonFeature *jpsimuon1, const CombinedMuonFeature *jpsimuon2)

Private Attributes
CLHEP::HepLorentzVector	m_hlvJ
const CombinedMuonFeature *	m_jpsimuon [2]

Detailed Description

Definition at line 17 of file TrigJpsi.h.

Constructor & Destructor Documentation

TrigJpsi() [1/2]

TrigJpsi::TrigJpsi

(

)

Definition at line 15 of file TrigJpsi.cxx.

{
    m_jpsimuon[0] = nullptr; 
    m_jpsimuon[1] = nullptr;
}

TrigJpsi() [2/2]

TrigJpsi::TrigJpsi	(	const CombinedMuonFeature *	jpsimuon1,
		const CombinedMuonFeature *	jpsimuon2 )

Definition at line 21 of file TrigJpsi.cxx.

{
    setDaughters(jpsimuon1,jpsimuon2);
}

~TrigJpsi()

TrigJpsi::~TrigJpsi

(

)

Definition at line 26 of file TrigJpsi.cxx.

{}

Member Function Documentation

et()

double TrigJpsi::et ( ) const

inline

Definition at line 29 of file TrigJpsi.h.

{ return m_hlvJ.perp(); }

eta()

double TrigJpsi::eta ( ) const

inline

Definition at line 27 of file TrigJpsi.h.

{ return m_hlvJ.pseudoRapidity(); }

getDaughter()

const CombinedMuonFeature * TrigJpsi::getDaughter

(

const int

i

)

const

Definition at line 29 of file TrigJpsi.cxx.

{
    if (i==0 || i==1) 
        return m_jpsimuon[i];
    else
        return 0;
}

mass()

double TrigJpsi::mass ( ) const

inline

Definition at line 26 of file TrigJpsi.h.

{ return m_hlvJ.m(); }

phi()

double TrigJpsi::phi ( ) const

inline

Definition at line 28 of file TrigJpsi.h.

{ return m_hlvJ.phi(); }

setDaughters()

void TrigJpsi::setDaughters	(	const CombinedMuonFeature *	jpsimuon1,
		const CombinedMuonFeature *	jpsimuon2 )

Definition at line 37 of file TrigJpsi.cxx.

{ 
    m_jpsimuon[0]=jpsimuon1;
    m_jpsimuon[1]=jpsimuon2;
    CLHEP::HepLorentzVector hlv[2];
    
    for ( int i=0 ; i<2 ; ++i )
    {       
    double cot_teta=1/tan(2*atan(exp(-m_jpsimuon[i]->IDTrack()->param()->eta())));       
    double mass_muon = ParticleConstants::muonMassInMeV;
        double absPt = fabs(m_jpsimuon[i]->pt());
    const double px = cos(m_jpsimuon[i]->IDTrack()->param()->phi0())*absPt;
        const double py = sin(m_jpsimuon[i]->IDTrack()->param()->phi0())*absPt;
    const double pz = cot_teta*absPt;
    const double en = sqrt((px*px+py*py+pz*pz)+ mass_muon*mass_muon);
        
    hlv[i].set(px,py,pz,en);
    }
    m_hlvJ=hlv[0]+hlv[1];
 
}

Member Data Documentation

m_hlvJ

CLHEP::HepLorentzVector TrigJpsi::m_hlvJ

private

Definition at line 35 of file TrigJpsi.h.

m_jpsimuon

const CombinedMuonFeature* TrigJpsi::m_jpsimuon[2]

private

Definition at line 36 of file TrigJpsi.h.

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

• TrigJpsi.h
• TrigJpsi.cxx