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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 735 of file JReconstruction/JEvtToolkit.hh.

Constructor & Destructor Documentation

◆ JAtmosphericMuon() [1/2]

JRECONSTRUCTION::JAtmosphericMuon::JAtmosphericMuon ( )
inline

Default constructor.

Definition at line 740 of file JReconstruction/JEvtToolkit.hh.

◆ JAtmosphericMuon() [2/2]

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

Constructor.

Parameters
theta1upper hemisphere angle [deg]
theta2lower hemisphere angle [deg]

Definition at line 752 of file JReconstruction/JEvtToolkit.hh.

753 :
754 dot1(cos(theta1 * JMATH::PI/180.0)),
755 dot2(cos(theta2 * JMATH::PI/180.0))
756 {}
static const double PI
Mathematical constants.

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
__beginbegin of data
__endend of data
Returns
negative if preferably down / positive if preferably up

Definition at line 766 of file JReconstruction/JEvtToolkit.hh.

768 {
769 double Qup = 0.0;
770 double Qdown = 0.0;
771
772 for (JEvt::const_iterator i = __begin; i != __end; ++i) {
773
774 if (i->getDZ() >= dot1) {
775
776 if (i->getQ() > Qup) {
777 Qup = i->getQ();
778 }
779
780 } else if (i->getDZ() <= dot2) {
781
782 if (i->getQ() > Qdown) {
783 Qdown = i->getQ();
784 }
785 }
786 }
787
788 return Qup - Qdown;
789 }

Friends And Related Symbol Documentation

◆ operator>>

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

Read atmospheric muon analyser from input.

Parameters
ininput stream
objectatmospheric muon analyser
Returns
input stream

Definition at line 799 of file JReconstruction/JEvtToolkit.hh.

800 {
801 double theta1, theta2;
802
803 in >> theta1 >> theta2;
804
805 object.dot1 = cos(theta1 * JMATH::PI/180.0);
806 object.dot2 = cos(theta2 * JMATH::PI/180.0);
807
808 return in;
809 }

◆ operator<<

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

Write atmospheric muon analyser to output.

Parameters
outoutput stream
objectatmospheric muon analyser
Returns
output stream

Definition at line 819 of file JReconstruction/JEvtToolkit.hh.

820 {
821 out << acos(object.dot1) * 180.0 / JMATH::PI << ' '
822 << acos(object.dot2) * 180.0 / JMATH::PI;
823
824 return out;
825 }

Member Data Documentation

◆ dot1

double JRECONSTRUCTION::JAtmosphericMuon::dot1

Definition at line 828 of file JReconstruction/JEvtToolkit.hh.

◆ dot2

double JRECONSTRUCTION::JAtmosphericMuon::dot2

Definition at line 829 of file JReconstruction/JEvtToolkit.hh.


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