JRECONSTRUCTION::JAtmosphericMuon Class Reference

Auxiliary class to evaluate atmospheric muon hypothesis. More...

#include <JEvtToolkit.hh>

Public Member Functions
	JAtmosphericMuon ()
	Default constructor.
	JAtmosphericMuon (const double theta1, const double theta2)
	Constructor.
double	operator() (JEvt::const_iterator __begin, JEvt::const_iterator __end) const
	Test is event is atmospheric muon.

Public Attributes
double	dot1
double	dot2

Friends
std::istream &	operator>> (std::istream &in, JAtmosphericMuon &object)
	Read atmospheric muon analyser from input.
std::ostream &	operator<< (std::ostream &out, const JAtmosphericMuon &object)
	Write atmospheric muon analyser to output.

Detailed Description

Auxiliary class to evaluate atmospheric muon hypothesis.

The hypothesis is tested by means of the difference in quality between the best upward and best downward track.

Definition at line 929 of file JReconstruction/JEvtToolkit.hh.

Constructor & Destructor Documentation

JAtmosphericMuon() [1/2]

JRECONSTRUCTION::JAtmosphericMuon::JAtmosphericMuon ( )

inline

Default constructor.

Definition at line 934 of file JReconstruction/JEvtToolkit.hh.

                       :
      dot1(0.0),
      dot2(0.0)
    {}

JAtmosphericMuon() [2/2]

JRECONSTRUCTION::JAtmosphericMuon::JAtmosphericMuon ( const double theta1, const double theta2 )

inline

Constructor.

Parameters

theta1	upper hemisphere angle [deg]
theta2	lower hemisphere angle [deg]

Definition at line 946 of file JReconstruction/JEvtToolkit.hh.

                                          :
      dot1(cos(theta1 * JMATH::PI/180.0)),
      dot2(cos(theta2 * JMATH::PI/180.0))
    {}

Member Function Documentation

operator()()

double JRECONSTRUCTION::JAtmosphericMuon::operator() ( JEvt::const_iterator __begin, JEvt::const_iterator __end ) const

inline

Test is event is atmospheric muon.

Parameters

__begin	begin of data
__end	end of data

Returns

negative if preferably down / positive if preferably up

Definition at line 960 of file JReconstruction/JEvtToolkit.hh.

    {
      double Qup   = 0.0;
      double Qdown = 0.0;
 
      for (JEvt::const_iterator i = __begin; i != __end; ++i) {
 
        if        (i->getDZ() >= dot1) {
            
          if (i->getQ() > Qup) {
            Qup   = i->getQ();
          }
          
        } else if (i->getDZ() <= dot2) {
          
          if (i->getQ() > Qdown) {
            Qdown = i->getQ();
          }
        }
      }
 
      return Qup - Qdown;
    }

Friends And Related Symbol Documentation

operator>>

std::istream & operator>> ( std::istream & in, JAtmosphericMuon & object )

friend

Read atmospheric muon analyser from input.

Parameters

in	input stream
object	atmospheric muon analyser

Returns

input stream

Definition at line 993 of file JReconstruction/JEvtToolkit.hh.

    {
      double theta1, theta2;
 
      in >> theta1 >> theta2;
 
      object.dot1 = cos(theta1 * JMATH::PI/180.0);
      object.dot2 = cos(theta2 * JMATH::PI/180.0);
 
      return in;
    }

operator<<

std::ostream & operator<< ( std::ostream & out, const JAtmosphericMuon & object )

friend

Write atmospheric muon analyser to output.

Parameters

out	output stream
object	atmospheric muon analyser

Returns

output stream

Definition at line 1013 of file JReconstruction/JEvtToolkit.hh.

    {
      out << acos(object.dot1) * 180.0 / JMATH::PI << ' '
          << acos(object.dot2) * 180.0 / JMATH::PI;
 
      return out;
    }

Member Data Documentation

dot1

double JRECONSTRUCTION::JAtmosphericMuon::dot1

Definition at line 1022 of file JReconstruction/JEvtToolkit.hh.

dot2

double JRECONSTRUCTION::JAtmosphericMuon::dot2

Definition at line 1023 of file JReconstruction/JEvtToolkit.hh.

---

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

• JReconstruction/JEvtToolkit.hh