CollisionInvariantMass Class Reference

This class contains the measured average center-of-mass energy, which is equal to the invariant mass of the colliding beams, and its uncertainty. More...

#include <CollisionInvariantMass.h>

Inheritance diagram for CollisionInvariantMass:

Collaboration diagram for CollisionInvariantMass:

Public Member Functions
bool	operator== (const CollisionInvariantMass &other) const
	equality operator
void	setMass (double mass, double error, double spread)
	Set the CMS energy and its uncertainty.
double	getMass () const
	Get the measured average CMS energy.
double	getMassError () const
	Get the uncertainty of the measured average CMS energy.
double	getMassSpread () const
	Get the spread of the measured CMS energy.

Private Member Functions
	ClassDef (CollisionInvariantMass, 1)
	Measured average invariant mass of the colliding beams and its uncertainty.

Private Attributes
Double32_t	m_mass {0}
	Average center-of-mass energy = invariant mass of the colliding beams.
Double32_t	m_massError {0}
	Uncertainty of the average center-of-mass energy / invariant mass of the colliding beams.
Double32_t	m_massSpread {0}
	Width of the distribution of the center-of-mass energy / invariant mass of the colliding beams.

Detailed Description

This class contains the measured average center-of-mass energy, which is equal to the invariant mass of the colliding beams, and its uncertainty.

Definition at line 21 of file CollisionInvariantMass.h.

Member Function Documentation

getMass()

double getMass ( ) const

inline

Get the measured average CMS energy.

Definition at line 43 of file CollisionInvariantMass.h.

    {
      return m_mass;
    }

getMassError()

double getMassError ( ) const

inline

Get the uncertainty of the measured average CMS energy.

Definition at line 49 of file CollisionInvariantMass.h.

    {
      return m_massError;
    }

getMassSpread()

double getMassSpread ( ) const

inline

Get the spread of the measured CMS energy.

Definition at line 55 of file CollisionInvariantMass.h.

    {
      return m_massSpread;
    }

operator==()

bool operator== ( const CollisionInvariantMass &  other ) const

inline

equality operator

Definition at line 25 of file CollisionInvariantMass.h.

    {
      return other.m_mass == m_mass && other.m_massError == m_massError;
    }

setMass()

void setMass ( double  mass, double  error, double  spread  )

inline

Set the CMS energy and its uncertainty.

Parameters

mass	invariant mass of the colliding beams
error	uncertainty of mean invariant mass
spread	width of invariant mass distribution

Definition at line 35 of file CollisionInvariantMass.h.

    {
      m_mass = mass;
      m_massError = error;
      m_massSpread = spread;
    }

Member Data Documentation

m_mass

Double32_t m_mass {0}

private

Average center-of-mass energy = invariant mass of the colliding beams.

Definition at line 63 of file CollisionInvariantMass.h.

m_massError

Double32_t m_massError {0}

private

Uncertainty of the average center-of-mass energy / invariant mass of the colliding beams.

Definition at line 66 of file CollisionInvariantMass.h.

m_massSpread

Double32_t m_massSpread {0}

private

Width of the distribution of the center-of-mass energy / invariant mass of the colliding beams.

Definition at line 69 of file CollisionInvariantMass.h.

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

• mdst/dbobjects/include/CollisionInvariantMass.h