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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 925 of file JReconstruction/JEvtToolkit.hh.

Constructor & Destructor Documentation

◆ JAtmosphericMuon() [1/2]

JRECONSTRUCTION::JAtmosphericMuon::JAtmosphericMuon ( )
inline

Default constructor.

Definition at line 930 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 942 of file JReconstruction/JEvtToolkit.hh.

943 :
944 dot1(cos(theta1 * JMATH::PI/180.0)),
945 dot2(cos(theta2 * JMATH::PI/180.0))
946 {}
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 956 of file JReconstruction/JEvtToolkit.hh.

958 {
959 double Qup = 0.0;
960 double Qdown = 0.0;
961
962 for (JEvt::const_iterator i = __begin; i != __end; ++i) {
963
964 if (i->getDZ() >= dot1) {
965
966 if (i->getQ() > Qup) {
967 Qup = i->getQ();
968 }
969
970 } else if (i->getDZ() <= dot2) {
971
972 if (i->getQ() > Qdown) {
973 Qdown = i->getQ();
974 }
975 }
976 }
977
978 return Qup - Qdown;
979 }

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 989 of file JReconstruction/JEvtToolkit.hh.

990 {
991 double theta1, theta2;
992
993 in >> theta1 >> theta2;
994
995 object.dot1 = cos(theta1 * JMATH::PI/180.0);
996 object.dot2 = cos(theta2 * JMATH::PI/180.0);
997
998 return in;
999 }

◆ 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 1009 of file JReconstruction/JEvtToolkit.hh.

1010 {
1011 out << acos(object.dot1) * 180.0 / JMATH::PI << ' '
1012 << acos(object.dot2) * 180.0 / JMATH::PI;
1013
1014 return out;
1015 }

Member Data Documentation

◆ dot1

double JRECONSTRUCTION::JAtmosphericMuon::dot1

Definition at line 1018 of file JReconstruction/JEvtToolkit.hh.

◆ dot2

double JRECONSTRUCTION::JAtmosphericMuon::dot2

Definition at line 1019 of file JReconstruction/JEvtToolkit.hh.


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