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. More...
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

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;
    }

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

• mdst/dbobjects/include/CollisionInvariantMass.h