Hold the result of one kinematic fit. More...

#include <Fit_Result.h>

Public Member Functions
double	chisq () const
	Return the $\chi^{2}$ of the fit. More...

const Lepjets_Event &	ev () const
	Return the event kinematics quantities after the fit. More...

	Fit_Result (double chisq, const Lepjets_Event &ev, const Column_Vector &pullx, const Column_Vector &pully, double umwhad, double utmass, double mt, double sigmt)
	Constructor, provide the results of the fit. More...

std::vector< int >	jet_types ()
	Return the list of jet types for this event. More...

double	mt () const
	Return the top quark mass after the fit. More...

const Column_Vector &	pullx () const
	Return the pull quantities for the well-measured variables. More...

const Column_Vector &	pully () const
	Return the pull quantities for the poorly-measured variables. More...

double	sigmt () const
	Return the top quark mass uncertainty after the fit. More...

double	umwhad () const
	Return the hadronic boson mass before the fit. More...

double	utmass () const
	Return the top quark mass before the fit. More...

Private Attributes
double	_chisq

Lepjets_Event	_ev

double	_mt

Column_Vector	_pullx

Column_Vector	_pully

double	_sigmt

double	_umwhad

double	_utmass

Friends
bool	operator< (const Fit_Result &a, const Fit_Result &b)
	Sort fit results based on their $\chi^{2}$ . More...

std::ostream &	operator<< (std::ostream &s, const Fit_Result &res)
	Output stream operator, print the content of this Fit_Result to an output stream. More...

Detailed Description

Hold the result of one kinematic fit.

Definition at line 50 of file Fit_Result.h.

Constructor & Destructor Documentation

◆ Fit_Result()

hitfit::Fit_Result::Fit_Result	(	double	chisq,
		const Lepjets_Event &	ev,
		const Column_Vector &	pullx,
		const Column_Vector &	pully,
		double	umwhad,
		double	utmass,
		double	mt,
		double	sigmt
	)

Constructor, provide the results of the fit.

Parameters

chisq	The $\chi^{2}$ of the fit.
ev	The event kinematics after the fit.
pullx	Pull quantities for the well-measured variables.
pully	Pull quantities for the poorly-measured variables.
umwhad	The hadronic boson mass before the fit.
utmass	The top quark mass before the fit, the average of leptonic and hadronic top mass.
mt	The top quark mass after the fit.
sigmt	The top quark mass uncertainty after the fit.

Definition at line 43 of file Fit_Result.cc.

64 : _chisq(chisq), _umwhad(umwhad), _utmass(utmass), _mt(mt), _sigmt(sigmt), _pullx(pullx), _pully(pully), _ev(ev) {}

Member Function Documentation

◆ chisq()

double hitfit::Fit_Result::chisq ( ) const

Return the $\chi^{2}$ of the fit.

Definition at line 66 of file Fit_Result.cc.

   {
     return _chisq;
   }

References _chisq.

◆ ev()

const Lepjets_Event & hitfit::Fit_Result::ev ( ) const

Return the event kinematics quantities after the fit.

Definition at line 151 of file Fit_Result.cc.

   {
     return _ev;
   }

References _ev.

◆ jet_types()

std::vector< int > hitfit::Fit_Result::jet_types ( )

Return the list of jet types for this event.

Definition at line 143 of file Fit_Result.cc.

   {
     return _ev.jet_types();
   }

References _ev, and hitfit::Lepjets_Event::jet_types().

◆ mt()

double hitfit::Fit_Result::mt ( ) const

Return the top quark mass after the fit.

Definition at line 99 of file Fit_Result.cc.

   {
     return _mt;
   }

References _mt.

◆ pullx()

const Column_Vector & hitfit::Fit_Result::pullx ( ) const

Return the pull quantities for the well-measured variables.

Definition at line 121 of file Fit_Result.cc.

   {
     return _pullx;
   }

References _pullx.

◆ pully()

const Column_Vector & hitfit::Fit_Result::pully ( ) const

Return the pull quantities for the poorly-measured variables.

Definition at line 132 of file Fit_Result.cc.

   {
     return _pully;
   }

References _pully.

◆ sigmt()

double hitfit::Fit_Result::sigmt ( ) const

Return the top quark mass uncertainty after the fit.

Definition at line 110 of file Fit_Result.cc.

   {
     return _sigmt;
   }

References _sigmt.

◆ umwhad()

double hitfit::Fit_Result::umwhad ( ) const

Return the hadronic $ W- $ boson mass before the fit.

Definition at line 77 of file Fit_Result.cc.

   {
     return _umwhad;
   }

References _umwhad.

◆ utmass()

double hitfit::Fit_Result::utmass ( ) const

Return the top quark mass before the fit.

Definition at line 88 of file Fit_Result.cc.

   {
     return _utmass;
   }

References _utmass.

Friends And Related Function Documentation

◆ operator<

bool operator<	(	const Fit_Result &	a,
		const Fit_Result &	b
	)

friend

Sort fit results based on their $\chi^{2}$ .

Parameters

a	The first instance of Fit_Result to compare.
b	The second instance of Fit_Result to compare.

Return:: TRUE if the first instance has smaller absolute value of $\chi^{2}$ than b.
FALSE all other cases.

Definition at line 174 of file Fit_Result.cc.

   {
     return abs(a._chisq) < abs(b._chisq);
   }

◆ operator<<

std::ostream& operator<<	(	std::ostream &	s,
		const Fit_Result &	res
	)

friend

Output stream operator, print the content of this Fit_Result to an output stream.

Parameters

s	The output stream to which to write.
res	The instance of Fit_Result to be printed.

Definition at line 199 of file Fit_Result.cc.

   {
     s << "chisq: " << res._chisq << "\n";
     s << "umwhad: " << res._umwhad << "\n";
     s << "utmass: " << res._utmass << "\n";
     s << "mt: " << res._mt << "\n";
     s << "sigmt: " << res._sigmt << "\n";
     s << res._ev;
     s << "pullx: " << res._pullx.T();
     s << "pully: " << res._pully.T();
     return s;
   }

Member Data Documentation

◆ _chisq

double hitfit::Fit_Result::_chisq

private

The $\chi^{2}$ of the fit.

Definition at line 139 of file Fit_Result.h.

Referenced by chisq().

◆ _ev

Lepjets_Event hitfit::Fit_Result::_ev

private

The event kinematics after the fit.

Definition at line 174 of file Fit_Result.h.

Referenced by ev(), and jet_types().

◆ _mt

double hitfit::Fit_Result::_mt

private

The top quark mass after the fit.

Definition at line 154 of file Fit_Result.h.

Referenced by mt().

◆ _pullx

Column_Vector hitfit::Fit_Result::_pullx

private

Pull quantities for the well-measured variables.

Definition at line 164 of file Fit_Result.h.

Referenced by pullx().

◆ _pully

Column_Vector hitfit::Fit_Result::_pully

private

Pull quantities for the poorly-measured variables.

Definition at line 169 of file Fit_Result.h.

Referenced by pully().

◆ _sigmt

double hitfit::Fit_Result::_sigmt

private

The top quark mass uncertainty after the fit.

Definition at line 159 of file Fit_Result.h.

Referenced by sigmt().

◆ _umwhad

double hitfit::Fit_Result::_umwhad

private

The hadronic $ W- $ boson mass before the fit.

Definition at line 144 of file Fit_Result.h.

Referenced by umwhad().

◆ _utmass

double hitfit::Fit_Result::_utmass

private

The top quark mass before the fit.

Definition at line 149 of file Fit_Result.h.

Referenced by utmass().

Public Member Functions

Private Attributes

Friends

Detailed Description

Constructor & Destructor Documentation

◆ Fit_Result()

Member Function Documentation

◆ chisq()

◆ ev()

◆ jet_types()

◆ mt()

◆ pullx()

◆ pully()

◆ sigmt()

◆ umwhad()

◆ utmass()

Friends And Related Function Documentation

◆ operator<

◆ operator<<

Member Data Documentation

◆ _chisq

◆ _ev

◆ _mt

◆ _pullx

◆ _pully

◆ _sigmt

◆ _umwhad

◆ _utmass