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

#include <Fit_Result.h>

Inheritance diagram for hitfit::Fit_Result:

Public Member Functions
double	chisq () const
	Return the $\chi^{2}$ of the fit.
const Lepjets_Event &	ev () const
	Return the event kinematics quantities after the fit.
	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.
std::vector< int >	jet_types ()
	Return the list of jet types for this event.
double	mt () const
	Return the top quark mass after the fit.
const Column_Vector &	pullx () const
	Return the pull quantities for the well-measured variables.
const Column_Vector &	pully () const
	Return the pull quantities for the poorly-measured variables.
double	sigmt () const
	Return the top quark mass uncertainty after the fit.
double	umwhad () const
	Return the hadronic boson mass before the fit.
double	utmass () const
	Return the top quark mass before the fit.
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 $\chi^{2}$ .
std::ostream &	operator<< (std::ostream &s, const Fit_Result &res)
	Output stream operator, print the content of this Fit_Result to an output stream.

Detailed Description

Hold the result of one kinematic fit.

Definition at line 54 of file Fit_Result.h.

Constructor & Destructor Documentation

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 47 of file Fit_Result.cc.

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

Member Function Documentation

double hitfit::Fit_Result::chisq ( ) const

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

Definition at line 80 of file Fit_Result.cc.

References _chisq.

{
  return _chisq;
}

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

Return the event kinematics quantities after the fit.

Definition at line 172 of file Fit_Result.cc.

References _ev.

{
  return _ev;
}

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

Return the list of jet types for this event.

Definition at line 164 of file Fit_Result.cc.

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

{
  return _ev.jet_types();
}

double hitfit::Fit_Result::mt ( ) const

Return the top quark mass after the fit.

Definition at line 116 of file Fit_Result.cc.

References _mt.

{
  return _mt;
}

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

Return the pull quantities for the well-measured variables.

Definition at line 140 of file Fit_Result.cc.

References _pullx.

{
  return _pullx;
}

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

Return the pull quantities for the poorly-measured variables.

Definition at line 152 of file Fit_Result.cc.

References _pully.

{
  return _pully;
}

double hitfit::Fit_Result::sigmt ( ) const

Return the top quark mass uncertainty after the fit.

Definition at line 128 of file Fit_Result.cc.

References _sigmt.

{
  return _sigmt;
}

double hitfit::Fit_Result::umwhad ( ) const

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

Definition at line 92 of file Fit_Result.cc.

References _umwhad.

{
  return _umwhad;
}

double hitfit::Fit_Result::utmass ( ) const

Return the top quark mass before the fit.

Definition at line 104 of file Fit_Result.cc.

References _utmass.

{
  return _utmass;
}

Friends And Related Function Documentation

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 196 of file Fit_Result.cc.

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

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 222 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;
}