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EventAnalysis Class Reference

#include <EventAnalysis.h>

Inheritance diagram for EventAnalysis:
Collaboration diagram for EventAnalysis:

Public Member Functions

 EventAnalysis ()
 
virtual ~EventAnalysis ()
 
virtual void Init ()
 

Static Public Member Functions

template<class T >
static CLHEP::Hep3Vector calculateMomentum (const T *pP)
 
template<class T >
static float EvalInvMass (const T *pxP1, const T *pxP2, float fMass1, float fMass2=invalidAnswer)
 
template<class T >
static float EvalInvMass (const T *pxP1, const T *pxP2, const T *pxp3, const T *pxP4, float fMass1, float fMass2=-999.9, float fMass3=-999.9, float fMass4=invalidAnswer)
 
template<class T >
static float EvalDiMuInvMass (const T *pxP1, const T *pxP2)
 
template<class T >
static float EvalFourMuInvMass (const T *pxP1, const T *pxP2, const T *pxP3, const T *pxP4)
 
template<class T >
static float EvaluateAngle (const T *pxP1, const T *pxP2)
 
template<class T >
static float EvalPtDiff (const T *pxP1, const T *pxP2)
 
template<class T >
static float EvalPhiDiff (const T *pxP1, const T *pxP2)
 
template<class T >
static float EvalEtaDiff (const T *pxP1, const T *pxP2)
 
template<class T >
static float EvalPt (const T *pxP1, const T *pxP2)
 
template<class T >
static float EvalPhi (const T *pxP1, const T *pxP2)
 
template<class T >
static float EvalEta (const T *pxP1, const T *pxP2)
 
template<class T >
static float EvalCharge (const T *pxP1, const T *pxP2)
 
template<class T >
static float EvalTransverseMass (const T *pxP1, float fMETx, float fMETy, float fMass1, float fMass2=invalidAnswer)
 
template<class T >
static float EvalTransverseMass (const T *pxP1, float fMETx, float fMETy)
 
template<class T >
static float EvalTransverseMass (const T *pxP1, const T *pxP2, float fMETx, float fMETy, float fMass1, float fMass2=invalidAnswer)
 
template<class T >
static float EvalTransverseMass (const T *pxP1, const T *pxP2, float fMETx, float fMETy)
 

Static Public Attributes

static constexpr float invalidAnswer {-999.9f}
 

Protected Member Functions

virtual void BookHistograms ()
 

Protected Attributes

unsigned int m_uPassedEvents
 
std::map< unsigned int, TH1F * > m_x1DHistograms
 
std::map< unsigned int, TH2F * > m_x2DHistograms
 
std::map< unsigned int, TProfile * > m_x1DProfHistograms
 
std::map< unsigned int, TProfile2D * > m_x2DProfHistograms
 
std::string m_xSampleName
 

Private Member Functions

void Register ()
 

Detailed Description

Definition at line 32 of file EventAnalysis.h.

Constructor & Destructor Documentation

◆ EventAnalysis()

EventAnalysis::EventAnalysis ( )

Definition at line 32 of file EventAnalysis.cxx.

33 {
34  m_uPassedEvents = 0;
35 }

◆ ~EventAnalysis()

EventAnalysis::~EventAnalysis ( )
virtual

Definition at line 37 of file EventAnalysis.cxx.

38 {
39 }

Member Function Documentation

◆ BookHistograms()

void EventAnalysis::BookHistograms ( )
protectedvirtual

Reimplemented in FourMuonEvent, ZmumuEvent, and MuonSelector.

Definition at line 55 of file EventAnalysis.cxx.

56 {
57  // This must be overriden by an inheriting class.
58 }

◆ calculateMomentum()

template<class T >
CLHEP::Hep3Vector EventAnalysis::calculateMomentum ( const T *  pP)
static

Definition at line 92 of file EventAnalysis.h.

92  {
93  const auto & p4(pP->p4());
94  return CLHEP::Hep3Vector(p4.Px() * EAna::CGeV , p4.Py() * EAna::CGeV, p4.Pz() * EAna::CGeV);
95 }

◆ EvalCharge()

template<class T >
float EventAnalysis::EvalCharge ( const T *  pxP1,
const T *  pxP2 
)
static

Definition at line 239 of file EventAnalysis.h.

240 {
241  // Check integrity of inputs.
242  if ( !pxP1 || !pxP2 ) return invalidAnswer;
243  return static_cast<float>( pxP1->charge() + pxP2->charge() );
244 }

◆ EvalDiMuInvMass()

template<class T >
float EventAnalysis::EvalDiMuInvMass ( const T *  pxP1,
const T *  pxP2 
)
static

Definition at line 98 of file EventAnalysis.h.

99 {
100  // Check integrity of inputs.
101  if ( !pxP1 || !pxP2 ) return invalidAnswer;
102 
103  // Evaluate Di-mu invariant mass.
104  return EvalInvMass( pxP1, pxP2, EAna::g_fMuonMass );
105 }

◆ EvalEta()

template<class T >
float EventAnalysis::EvalEta ( const T *  pxP1,
const T *  pxP2 
)
static

Definition at line 230 of file EventAnalysis.h.

231 {
232  // Check integrity of inputs.
233  if ( !pxP1 || !pxP2 ) return invalidAnswer;
234  CLHEP::Hep3Vector xTmp1 = calculateMomentum(pxP1);
235  CLHEP::Hep3Vector xTmp2 = calculateMomentum(pxP2);
236  return static_cast<float>( (xTmp1 + xTmp2).pseudoRapidity() );
237 }

◆ EvalEtaDiff()

template<class T >
float EventAnalysis::EvalEtaDiff ( const T *  pxP1,
const T *  pxP2 
)
static

Definition at line 202 of file EventAnalysis.h.

203 {
204  // Check integrity of inputs.
205  if ( !pxP1 || !pxP2 ) return invalidAnswer;
206  // Evaluate the angle.
207  CLHEP::Hep3Vector xTmp1 = calculateMomentum(pxP1);
208  CLHEP::Hep3Vector xTmp2 = calculateMomentum(pxP2);
209  return static_cast<float>( xTmp1.polarAngle(xTmp2) );
210 }

◆ EvalFourMuInvMass()

template<class T >
float EventAnalysis::EvalFourMuInvMass ( const T *  pxP1,
const T *  pxP2,
const T *  pxP3,
const T *  pxP4 
)
static

Definition at line 124 of file EventAnalysis.h.

125 {
126  // Check integrity of inputs.
127  if ( !pxP1 || !pxP2 || !pxP3 || !pxP4) return invalidAnswer;
128 
129  // Evaluate invariant mass.
130  return EvalInvMass( pxP1, pxP2, pxP3, pxP4, EAna::g_fMuonMass );
131 }

◆ EvalInvMass() [1/2]

template<class T >
float EventAnalysis::EvalInvMass ( const T *  pxP1,
const T *  pxP2,
const T *  pxp3,
const T *  pxP4,
float  fMass1,
float  fMass2 = -999.9,
float  fMass3 = -999.9,
float  fMass4 = invalidAnswer 
)
static

Definition at line 133 of file EventAnalysis.h.

135 {
136  // Check integrity of inputs.No tachyons.
137  if ( fMass1 < 0.0f ) return invalidAnswer;
138  if ( !pxP1 || !pxP2 || !pxP3 || !pxP4) return invalidAnswer;
139 
140  // Set masses equal if required by user
141  fMass2 = ( fMass2 < 0.0f ) ? fMass1 : fMass2;
142  fMass3 = ( fMass3 < 0.0f ) ? fMass1 : fMass3;
143  fMass4 = ( fMass4 < 0.0f ) ? fMass1 : fMass4;
144 
145  // Evaluate invariant mass.
146  CLHEP::Hep3Vector xTmp1 = CLHEP::Hep3Vector( pxP1->p4().Px() * EAna::CGeV, pxP1->p4().Py() * EAna::CGeV, pxP1->p4().Pz() * EAna::CGeV );
147  CLHEP::Hep3Vector xTmp2 = CLHEP::Hep3Vector( pxP2->p4().Px() * EAna::CGeV, pxP2->p4().Py() * EAna::CGeV, pxP2->p4().Pz() * EAna::CGeV );
148  CLHEP::Hep3Vector xTmp3 = CLHEP::Hep3Vector( pxP3->p4().Px() * EAna::CGeV, pxP3->p4().Py() * EAna::CGeV, pxP3->p4().Pz() * EAna::CGeV );
149  CLHEP::Hep3Vector xTmp4 = CLHEP::Hep3Vector( pxP4->p4().Px() * EAna::CGeV, pxP4->p4().Py() * EAna::CGeV, pxP4->p4().Pz() * EAna::CGeV );
150 
151  CLHEP::HepLorentzVector xLVec; xLVec.setVectM ( xTmp1, fMass1 );
152  CLHEP::HepLorentzVector xLVec2; xLVec2.setVectM( xTmp2, fMass2 );
153  CLHEP::HepLorentzVector xLVec3; xLVec3.setVectM( xTmp3, fMass3 );
154  CLHEP::HepLorentzVector xLVec4; xLVec4.setVectM( xTmp4, fMass4 );
155 
156  xLVec += xLVec2;
157  xLVec += xLVec3;
158  xLVec += xLVec4;
159 
160  return static_cast<float>( xLVec.m() );
161 }

◆ EvalInvMass() [2/2]

template<class T >
float EventAnalysis::EvalInvMass ( const T *  pxP1,
const T *  pxP2,
float  fMass1,
float  fMass2 = invalidAnswer 
)
static

Definition at line 107 of file EventAnalysis.h.

109 {
110  // Check integrity of inputs.No tachyons.
111  if ( fMass1 < 0.0f ) return invalidAnswer;
112  if ( !pxP1 || !pxP2 ) return invalidAnswer;
113  // Set masses equal if required by user
114  fMass2 = ( fMass2 < 0.0f ) ? fMass1 : fMass2;
115  // Evaluate invariant mass.
116  CLHEP::Hep3Vector xTmp1 = calculateMomentum(pxP1);
117  CLHEP::Hep3Vector xTmp2 = calculateMomentum(pxP2);
118  CLHEP::HepLorentzVector xLVec1; xLVec1.setVectM( xTmp1, fMass1 );
119  CLHEP::HepLorentzVector xLVec2; xLVec2.setVectM( xTmp2, fMass2 );
120  return static_cast<float>( xLVec1.invariantMass( xLVec2 ) );
121 }

◆ EvalPhi()

template<class T >
float EventAnalysis::EvalPhi ( const T *  pxP1,
const T *  pxP2 
)
static

Definition at line 221 of file EventAnalysis.h.

222 {
223  // Check integrity of inputs.
224  if ( !pxP1 || !pxP2 ) return invalidAnswer;
225  CLHEP::Hep3Vector xTmp1 = calculateMomentum(pxP1);
226  CLHEP::Hep3Vector xTmp2 = calculateMomentum(pxP2);
227  return static_cast<float>( (xTmp1 + xTmp2).phi() );
228 }

◆ EvalPhiDiff()

template<class T >
float EventAnalysis::EvalPhiDiff ( const T *  pxP1,
const T *  pxP2 
)
static

Definition at line 191 of file EventAnalysis.h.

192 {
193  // Check integrity of inputs.
194  if ( !pxP1 || !pxP2 ) return invalidAnswer;
195  // Evaluate the angle.
196  CLHEP::Hep3Vector xTmp1 = calculateMomentum(pxP1);
197  CLHEP::Hep3Vector xTmp2 = calculateMomentum(pxP2);
198  return static_cast<float>( xTmp1.deltaPhi(xTmp2) );
199 }

◆ EvalPt()

template<class T >
float EventAnalysis::EvalPt ( const T *  pxP1,
const T *  pxP2 
)
static

Definition at line 212 of file EventAnalysis.h.

213 {
214  // Check integrity of inputs.
215  if ( !pxP1 || !pxP2 ) return invalidAnswer;
216  CLHEP::Hep3Vector xTmp1 = calculateMomentum(pxP1);
217  CLHEP::Hep3Vector xTmp2 = calculateMomentum(pxP2);
218  return static_cast<float>( (xTmp1 + xTmp2).perp() );
219 }

◆ EvalPtDiff()

template<class T >
float EventAnalysis::EvalPtDiff ( const T *  pxP1,
const T *  pxP2 
)
static

Definition at line 174 of file EventAnalysis.h.

175 {
176  // Check integrity of inputs.
177  if ( !pxP1 || !pxP2 ) return invalidAnswer;
178  // Evaluate the difference between the momenta. Signed using positive - negative if appropriate.
179  if ( pxP1->charge() > 0.5f )
180  {
181  return static_cast<float>( pxP1->pt() * EAna::CGeV - pxP2->pt() * EAna::CGeV );
182  }
183  else
184  {
185  return static_cast<float>( pxP2->pt() * EAna::CGeV - pxP1->pt() * EAna::CGeV );
186  }
187 }

◆ EvalTransverseMass() [1/4]

template<class T >
float EventAnalysis::EvalTransverseMass ( const T *  pxP1,
const T *  pxP2,
float  fMETx,
float  fMETy 
)
static

Definition at line 272 of file EventAnalysis.h.

273 {
274  // Check integrity of inputs.
275  if ( !pxP1 || !pxP2 ) return invalidAnswer;
276  // Evaluate Di-mu invariant mass.
277  return EvalTransverseMass( pxP1, pxP2, fMETx, fMETy, EAna::g_fMuonMass );
278 }

◆ EvalTransverseMass() [2/4]

template<class T >
float EventAnalysis::EvalTransverseMass ( const T *  pxP1,
const T *  pxP2,
float  fMETx,
float  fMETy,
float  fMass1,
float  fMass2 = invalidAnswer 
)
static

Definition at line 280 of file EventAnalysis.h.

282 {
283  // Check integrity of inputs.No tachyons.
284  if ( fMass1 < 0.0f ) return invalidAnswer;
285  if ( !pxP1 || !pxP2 ) return invalidAnswer;
286  // Set masses equal if required by user.
287  fMass2 = ( fMass2 < 0.0f ) ? fMass1 : fMass2;
288  // Evaluate invariant mass.
289  CLHEP::Hep3Vector xTmp1 = CLHEP::Hep3Vector( pxP1->p4().Px() * EAna::CGeV, pxP1->p4().Py() * EAna::CGeV, 0.0f );
290  CLHEP::Hep3Vector xTmp2 = CLHEP::Hep3Vector( pxP2->p4().Px() * EAna::CGeV, pxP2->p4().Py() * EAna::CGeV, 0.0f );
291  CLHEP::Hep3Vector xTmp12 = xTmp1 + xTmp2;
292  CLHEP::Hep3Vector xTmp3 = CLHEP::Hep3Vector( fMETx, fMETy, 0.0f );
293  CLHEP::HepLorentzVector xLVec1; xLVec1.setVectM( xTmp12, fMass1 );
294  CLHEP::HepLorentzVector xLVec2; xLVec2.setVectM( xTmp3, 0.0f );
295  return static_cast<float>( xLVec1.invariantMass( xLVec2 ) );
296 }

◆ EvalTransverseMass() [3/4]

template<class T >
float EventAnalysis::EvalTransverseMass ( const T *  pxP1,
float  fMETx,
float  fMETy 
)
static

Definition at line 247 of file EventAnalysis.h.

248 {
249  // Check integrity of inputs.
250  if ( !pxP1 ) return invalidAnswer;
251  // Evaluate Di-mu invariant mass.
252  return EvalInvMass( pxP1, fMETx, fMETy, EAna::g_fMuonMass );
253 }

◆ EvalTransverseMass() [4/4]

template<class T >
float EventAnalysis::EvalTransverseMass ( const T *  pxP1,
float  fMETx,
float  fMETy,
float  fMass1,
float  fMass2 = invalidAnswer 
)
static

Definition at line 255 of file EventAnalysis.h.

257 {
258  // Check integrity of inputs.No tachyons.
259  if ( fMass1 < 0.0f ) return invalidAnswer;
260  if ( !pxP1 ) return invalidAnswer;
261  // Set masses equal if required by user.
262  fMass2 = ( fMass2 < 0.0f ) ? fMass1 : fMass2;
263  // Evaluate invariant mass.
264  CLHEP::Hep3Vector xTmp1 = CLHEP::Hep3Vector( pxP1->p4().Px() * EAna::CGeV, pxP1->p4().Py() * EAna::CGeV, 0.0f );
265  CLHEP::Hep3Vector xTmp2 = CLHEP::Hep3Vector( fMETx, fMETy, 0.0f );
266  CLHEP::HepLorentzVector xLVec1; xLVec1.setVectM( xTmp1, fMass1 );
267  CLHEP::HepLorentzVector xLVec2; xLVec2.setVectM( xTmp2, 0.0f );
268  return static_cast<float>( xLVec1.invariantMass( xLVec2 ) );
269 }

◆ EvaluateAngle()

template<class T >
float EventAnalysis::EvaluateAngle ( const T *  pxP1,
const T *  pxP2 
)
static

Definition at line 164 of file EventAnalysis.h.

165 {
166  // Check integrity of inputs.
167  if ( !pxP1 || !pxP2 ) return invalidAnswer;
168  // Evaluate the angle.
169  CLHEP::Hep3Vector xTmp1 = calculateMomentum(pxP1);
170  CLHEP::Hep3Vector xTmp2 = calculateMomentum(pxP2);
171  return static_cast<float>( xTmp1.angle(xTmp2) );
172 }

◆ Init()

void EventAnalysis::Init ( )
virtual

Reimplemented in FourMuonEvent, ZmumuEvent, MuonSelector, and ElectronSelector.

Definition at line 44 of file EventAnalysis.cxx.

45 {
46  // This must be called by an inheriting class in order to book
47  // & register histograms.
48  BookHistograms();
49  Register();
50 }

◆ Register()

void EventAnalysis::Register ( )
private

Definition at line 63 of file EventAnalysis.cxx.

64 {
65  ServiceHandle<ITHistSvc> histSvc ("THistSvc", "EventAnalysis");
66 
67  // Register histograms in monitoring tool
68  registerHistogramType(*histSvc, m_x1DHistograms, m_xSampleName, "/1dhisto_");
69  registerHistogramType(*histSvc, m_x2DHistograms, m_xSampleName, "/2dhisto_");
70 
71  registerHistogramType(*histSvc, m_x1DProfHistograms, m_xSampleName, "/1dprof_");
72  registerHistogramType(*histSvc, m_x2DProfHistograms, m_xSampleName, "/2dprof_");
73 }

Member Data Documentation

◆ invalidAnswer

constexpr float EventAnalysis::invalidAnswer {-999.9f}
staticconstexpr

Definition at line 40 of file EventAnalysis.h.

◆ m_uPassedEvents

unsigned int EventAnalysis::m_uPassedEvents
protected

Definition at line 75 of file EventAnalysis.h.

◆ m_x1DHistograms

std::map<unsigned int, TH1F*> EventAnalysis::m_x1DHistograms
protected

Definition at line 76 of file EventAnalysis.h.

◆ m_x1DProfHistograms

std::map<unsigned int, TProfile*> EventAnalysis::m_x1DProfHistograms
protected

Definition at line 78 of file EventAnalysis.h.

◆ m_x2DHistograms

std::map<unsigned int, TH2F*> EventAnalysis::m_x2DHistograms
protected

Definition at line 77 of file EventAnalysis.h.

◆ m_x2DProfHistograms

std::map<unsigned int, TProfile2D*> EventAnalysis::m_x2DProfHistograms
protected

Definition at line 79 of file EventAnalysis.h.

◆ m_xSampleName

std::string EventAnalysis::m_xSampleName
protected

Definition at line 81 of file EventAnalysis.h.

The documentation for this class was generated from the following files:
EventAnalysis::EvalInvMass
static float EvalInvMass(const T *pxP1, const T *pxP2, float fMass1, float fMass2=invalidAnswer)
Definition: EventAnalysis.h:107
phi
Scalar phi() const
phi method
Definition: AmgMatrixBasePlugin.h:67
perp
Scalar perp() const
perp method - perpenticular length
Definition: AmgMatrixBasePlugin.h:44
EventAnalysis::m_x1DHistograms
std::map< unsigned int, TH1F * > m_x1DHistograms
Definition: EventAnalysis.h:76
EventAnalysis::m_uPassedEvents
unsigned int m_uPassedEvents
Definition: EventAnalysis.h:75
EventAnalysis::m_x2DHistograms
std::map< unsigned int, TH2F * > m_x2DHistograms
Definition: EventAnalysis.h:77
EventAnalysis::EvalTransverseMass
static float EvalTransverseMass(const T *pxP1, float fMETx, float fMETy, float fMass1, float fMass2=invalidAnswer)
Definition: EventAnalysis.h:255
EventAnalysis::calculateMomentum
static CLHEP::Hep3Vector calculateMomentum(const T *pP)
Definition: EventAnalysis.h:92
EventAnalysis::BookHistograms
virtual void BookHistograms()
Definition: EventAnalysis.cxx:55
MuonSegmentReaderConfig.histSvc
histSvc
Definition: MuonSegmentReaderConfig.py:96
hist_file_dump.f
f
Definition: hist_file_dump.py:140
EventAnalysis::m_x1DProfHistograms
std::map< unsigned int, TProfile * > m_x1DProfHistograms
Definition: EventAnalysis.h:78
EventAnalysis::Register
void Register()
Definition: EventAnalysis.cxx:63
EventAnalysis::m_x2DProfHistograms
std::map< unsigned int, TProfile2D * > m_x2DProfHistograms
Definition: EventAnalysis.h:79
EAna::g_fMuonMass
const float g_fMuonMass
Definition: EventAnalysis.h:27
EventAnalysis::m_xSampleName
std::string m_xSampleName
Definition: EventAnalysis.h:81
EAna::CGeV
const float CGeV
Definition: EventAnalysis.h:29
EventAnalysis::invalidAnswer
static constexpr float invalidAnswer
Definition: EventAnalysis.h:40
ServiceHandle< ITHistSvc >
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