CMS 3D CMS Logo
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Properties Friends Macros Pages
List of all members | Public Member Functions | Static Public Member Functions
MuonMETAlgo Class Reference

#include <MuonMETAlgo.h>

Public Member Functions

void GetMuDepDeltas (const reco::Muon *inputMuon, TrackDetMatchInfo &info, bool useTrackAssociatorPositions, bool useRecHits, bool useHO, double towerEtThreshold, double &deltax, double &deltay, double Bfield)
 
reco::CaloMET makeMET (const reco::CaloMET &fMet, double fSumEt, const std::vector< CorrMETData > &fCorrections, const reco::MET::LorentzVector &)
 
reco::MET makeMET (const reco::MET &, double fSumEt, const std::vector< CorrMETData > &fCorrections, const reco::MET::LorentzVector &fP4)
 
 MuonMETAlgo ()
 
template<class T >
void MuonMETAlgo_run (const edm::View< reco::Muon > &inputMuons, const edm::ValueMap< reco::MuonMETCorrectionData > &vm_muCorrData, const edm::View< T > &v_uncorMET, std::vector< T > *v_corMET)
 
virtual void run (const edm::View< reco::Muon > &inputMuons, const edm::ValueMap< reco::MuonMETCorrectionData > &vm_muCorrData, const edm::View< reco::MET > &uncorMET, reco::METCollection *corMET)
 
virtual void run (const edm::View< reco::Muon > &inputMuons, const edm::ValueMap< reco::MuonMETCorrectionData > &vm_muCorrData, const edm::View< reco::CaloMET > &uncorMET, reco::CaloMETCollection *corMET)
 
virtual ~MuonMETAlgo ()
 

Static Public Member Functions

static void correctMETforMuon (double &deltax, double &deltay, double bfield, int muonCharge, const math::XYZTLorentzVector &muonP4, const math::XYZPoint &muonVertex, MuonMETInfo &)
 

Detailed Description

Description: Correct MET for muons in the events.

Definition at line 40 of file MuonMETAlgo.h.

Constructor & Destructor Documentation

MuonMETAlgo::MuonMETAlgo ( )
inline

Definition at line 43 of file MuonMETAlgo.h.

43 { }
virtual MuonMETAlgo::~MuonMETAlgo ( )
inlinevirtual

Definition at line 44 of file MuonMETAlgo.h.

44 { }

Member Function Documentation

void MuonMETAlgo::correctMETforMuon ( double &  deltax,
double &  deltay,
double  bfield,
int  muonCharge,
const math::XYZTLorentzVector &  muonP4,
const math::XYZPoint &  muonVertex,
MuonMETInfo &  muonMETInfo 
)
static

Definition at line 193 of file MuonMETAlgo.cc.

References funct::abs(), funct::cos(), alignCSCRings::e, MuonMETInfo::ecalE, MuonMETInfo::ecalPos, MuonMETInfo::hcalE, MuonMETInfo::hcalPos, MuonMETInfo::hoE, MuonMETInfo::hoPos, create_public_lumi_plots::log, Pi, funct::pow(), funct::sin(), mathSSE::sqrt(), groupFilesInBlocks::temp, MuonMETInfo::useAverage, MuonMETInfo::useHO, and MuonMETInfo::useTkAssociatorPositions.

195  {
196 
197  double mu_p = muonP4.P();
198  double mu_pt = muonP4.Pt();
199  double mu_phi = muonP4.Phi();
200  double mu_eta = muonP4.Eta();
201  double mu_vz = muonVertex.z()/100.;
202  double mu_pz = muonP4.Pz();
203 
204  double ecalPhi, ecalTheta;
205  double hcalPhi, hcalTheta;
206  double hoPhi, hoTheta;
207 
208 
209  //should always be false for FWLite
210  //unless you want to supply co-ordinates at
211  //the calorimeter sub-detectors yourself
212  if(muonMETInfo.useTkAssociatorPositions) {
213  ecalPhi = muonMETInfo.ecalPos.Phi();
214  ecalTheta = muonMETInfo.ecalPos.Theta();
215  hcalPhi = muonMETInfo.hcalPos.Phi();
216  hcalTheta = muonMETInfo.hcalPos.Theta();
217  hoPhi = muonMETInfo.hoPos.Phi();
218  hoTheta = muonMETInfo.hoPos.Theta();
219  } else {
220 
221  /*
222  use the analytical solution for the
223  intersection of a helix with a cylinder
224  to find the positions of the muon
225  at the various calo surfaces
226  */
227 
228  //radii of subdetectors in meters
229  double rEcal = 1.290;
230  double rHcal = 1.9;
231  double rHo = 3.82;
232  if(abs(mu_eta) > 0.3) rHo = 4.07;
233  //distance from the center of detector to face of Ecal
234  double zFaceEcal = 3.209;
235  if(mu_eta < 0 ) zFaceEcal = -1*zFaceEcal;
236  //distance from the center of detector to face of Hcal
237  double zFaceHcal = 3.88;
238  if(mu_eta < 0 ) zFaceHcal = -1*zFaceHcal;
239 
240  //now we have to get Phi
241  //bending radius of the muon (units are meters)
242  double bendr = mu_pt*1000/(300*bfield);
243 
244  double tb_ecal = TMath::ACos(1-rEcal*rEcal/(2*bendr*bendr)); //helix time interval parameter
245  double tb_hcal = TMath::ACos(1-rHcal*rHcal/(2*bendr*bendr)); //helix time interval parameter
246  double tb_ho = TMath::ACos(1-rHo*rHo/(2*bendr*bendr)); //helix time interval parameter
247  double xEcal,yEcal,zEcal;
248  double xHcal,yHcal,zHcal;
249  double xHo, yHo,zHo;
250  //Ecal
251  //in the barrel and if not a looper
252  if(fabs(mu_pz*bendr*tb_ecal/mu_pt+mu_vz) < fabs(zFaceEcal) && rEcal < 2*bendr) {
253  xEcal = bendr*(TMath::Sin(tb_ecal+mu_phi)-TMath::Sin(mu_phi));
254  yEcal = bendr*(-TMath::Cos(tb_ecal+mu_phi)+TMath::Cos(mu_phi));
255  zEcal = bendr*tb_ecal*mu_pz/mu_pt + mu_vz;
256  } else { //endcap
257  if(mu_pz > 0) {
258  double te_ecal = (fabs(zFaceEcal) - mu_vz)*mu_pt/(bendr*mu_pz);
259  xEcal = bendr*(TMath::Sin(te_ecal+mu_phi) - TMath::Sin(mu_phi));
260  yEcal = bendr*(-TMath::Cos(te_ecal+mu_phi) + TMath::Cos(mu_phi));
261  zEcal = fabs(zFaceEcal);
262  } else {
263  double te_ecal = -(fabs(zFaceEcal) + mu_vz)*mu_pt/(bendr*mu_pz);
264  xEcal = bendr*(TMath::Sin(te_ecal+mu_phi) - TMath::Sin(mu_phi));
265  yEcal = bendr*(-TMath::Cos(te_ecal+mu_phi) + TMath::Cos(mu_phi));
266  zEcal = -fabs(zFaceEcal);
267  }
268  }
269 
270  //Hcal
271  if(fabs(mu_pz*bendr*tb_hcal/mu_pt+mu_vz) < fabs(zFaceHcal) && rEcal < 2*bendr) { //in the barrel
272  xHcal = bendr*(TMath::Sin(tb_hcal+mu_phi)-TMath::Sin(mu_phi));
273  yHcal = bendr*(-TMath::Cos(tb_hcal+mu_phi)+TMath::Cos(mu_phi));
274  zHcal = bendr*tb_hcal*mu_pz/mu_pt + mu_vz;
275  } else { //endcap
276  if(mu_pz > 0) {
277  double te_hcal = (fabs(zFaceHcal) - mu_vz)*mu_pt/(bendr*mu_pz);
278  xHcal = bendr*(TMath::Sin(te_hcal+mu_phi) - TMath::Sin(mu_phi));
279  yHcal = bendr*(-TMath::Cos(te_hcal+mu_phi) + TMath::Cos(mu_phi));
280  zHcal = fabs(zFaceHcal);
281  } else {
282  double te_hcal = -(fabs(zFaceHcal) + mu_vz)*mu_pt/(bendr*mu_pz);
283  xHcal = bendr*(TMath::Sin(te_hcal+mu_phi) - TMath::Sin(mu_phi));
284  yHcal = bendr*(-TMath::Cos(te_hcal+mu_phi) + TMath::Cos(mu_phi));
285  zHcal = -fabs(zFaceHcal);
286  }
287  }
288 
289  //Ho - just the barrel
290  xHo = bendr*(TMath::Sin(tb_ho+mu_phi)-TMath::Sin(mu_phi));
291  yHo = bendr*(-TMath::Cos(tb_ho+mu_phi)+TMath::Cos(mu_phi));
292  zHo = bendr*tb_ho*mu_pz/mu_pt + mu_vz;
293 
294  ecalTheta = TMath::ACos(zEcal/sqrt(pow(xEcal,2) + pow(yEcal,2)+pow(zEcal,2)));
295  ecalPhi = atan2(yEcal,xEcal);
296  hcalTheta = TMath::ACos(zHcal/sqrt(pow(xHcal,2) + pow(yHcal,2)+pow(zHcal,2)));
297  hcalPhi = atan2(yHcal,xHcal);
298  hoTheta = TMath::ACos(zHo/sqrt(pow(xHo,2) + pow(yHo,2)+pow(zHo,2)));
299  hoPhi = atan2(yHo,xHo);
300 
301  //2d radius in x-y plane
302  double r2dEcal = sqrt(pow(xEcal,2)+pow(yEcal,2));
303  double r2dHcal = sqrt(pow(xHcal,2)+pow(yHcal,2));
304  double r2dHo = sqrt(pow(xHo,2) +pow(yHo,2));
305 
306  /*
307  the above prescription is for right handed helicies only
308  Positively charged muons trace a left handed helix
309  so we correct for that
310  */
311  if(muonCharge > 0) {
312 
313  //Ecal
314  double dphi = mu_phi - ecalPhi;
315  if(fabs(dphi) > TMath::Pi())
316  dphi = 2*TMath::Pi() - fabs(dphi);
317  ecalPhi = mu_phi - fabs(dphi);
318  if(fabs(ecalPhi) > TMath::Pi()) {
319  double temp = 2*TMath::Pi() - fabs(ecalPhi);
320  ecalPhi = -1*temp*ecalPhi/fabs(ecalPhi);
321  }
322  xEcal = r2dEcal*TMath::Cos(ecalPhi);
323  yEcal = r2dEcal*TMath::Sin(ecalPhi);
324 
325  //Hcal
326  dphi = mu_phi - hcalPhi;
327  if(fabs(dphi) > TMath::Pi())
328  dphi = 2*TMath::Pi() - fabs(dphi);
329  hcalPhi = mu_phi - fabs(dphi);
330  if(fabs(hcalPhi) > TMath::Pi()) {
331  double temp = 2*TMath::Pi() - fabs(hcalPhi);
332  hcalPhi = -1*temp*hcalPhi/fabs(hcalPhi);
333  }
334  xHcal = r2dHcal*TMath::Cos(hcalPhi);
335  yHcal = r2dHcal*TMath::Sin(hcalPhi);
336 
337 
338  //Ho
339  dphi = mu_phi - hoPhi;
340  if(fabs(dphi) > TMath::Pi())
341  dphi = 2*TMath::Pi() - fabs(dphi);
342  hoPhi = mu_phi - fabs(dphi);
343  if(fabs(hoPhi) > TMath::Pi()) {
344  double temp = 2*TMath::Pi() - fabs(hoPhi);
345  hoPhi = -1*temp*hoPhi/fabs(hoPhi);
346  }
347  xHo = r2dHo*TMath::Cos(hoPhi);
348  yHo = r2dHo*TMath::Sin(hoPhi);
349 
350  }
351  }
352 
353  //for isolated muons
354  if(!muonMETInfo.useAverage) {
355 
356  double mu_Ex = muonMETInfo.ecalE*sin(ecalTheta)*cos(ecalPhi)
357  + muonMETInfo.hcalE*sin(hcalTheta)*cos(hcalPhi)
358  + muonMETInfo.hoE*sin(hoTheta)*cos(hoPhi);
359  double mu_Ey = muonMETInfo.ecalE*sin(ecalTheta)*sin(ecalPhi)
360  + muonMETInfo.hcalE*sin(hcalTheta)*sin(hcalPhi)
361  + muonMETInfo.hoE*sin(hoTheta)*sin(hoPhi);
362 
363  deltax += mu_Ex;
364  deltay += mu_Ey;
365 
366  } else { //non-isolated muons - derive the correction
367 
368  //dE/dx in matter for iron:
369  //-(11.4 + 0.96*fabs(log(p0*2.8)) + 0.033*p0*(1.0 - pow(p0, -0.33)) )*1e-3
370  //from http://cmslxr.fnal.gov/lxr/source/TrackPropagation/SteppingHelixPropagator/src/SteppingHelixPropagator.ccyes,
371  //line ~1100
372  //normalisation is at 50 GeV
373  double dEdx_normalization = -(11.4 + 0.96*fabs(log(50*2.8)) + 0.033*50*(1.0 - pow(50, -0.33)) )*1e-3;
374  double dEdx_numerator = -(11.4 + 0.96*fabs(log(mu_p*2.8)) + 0.033*mu_p*(1.0 - pow(mu_p, -0.33)) )*1e-3;
375 
376  double temp = 0.0;
377 
378  if(muonMETInfo.useHO) {
379  //for the Towers, with HO
380  if(fabs(mu_eta) < 0.2)
381  temp = 2.75*(1-0.00003*mu_p);
382  if(fabs(mu_eta) > 0.2 && fabs(mu_eta) < 1.0)
383  temp = (2.38+0.0144*fabs(mu_eta))*(1-0.0003*mu_p);
384  if(fabs(mu_eta) > 1.0 && fabs(mu_eta) < 1.3)
385  temp = 7.413-5.12*fabs(mu_eta);
386  if(fabs(mu_eta) > 1.3)
387  temp = 2.084-0.743*fabs(mu_eta);
388  } else {
389  if(fabs(mu_eta) < 1.0)
390  temp = 2.33*(1-0.0004*mu_p);
391  if(fabs(mu_eta) > 1.0 && fabs(mu_eta) < 1.3)
392  temp = (7.413-5.12*fabs(mu_eta))*(1-0.0003*mu_p);
393  if(fabs(mu_eta) > 1.3)
394  temp = 2.084-0.743*fabs(mu_eta);
395  }
396 
397  double dep = temp*dEdx_normalization/dEdx_numerator;
398  if(dep < 0.5) dep = 0;
399  //use the average phi of the 3 subdetectors
400  if(fabs(mu_eta) < 1.3) {
401  deltax += dep*cos((ecalPhi+hcalPhi+hoPhi)/3);
402  deltay += dep*sin((ecalPhi+hcalPhi+hoPhi)/3);
403  } else {
404  deltax += dep*cos( (ecalPhi+hcalPhi)/2);
405  deltay += dep*cos( (ecalPhi+hcalPhi)/2);
406  }
407  }
408 
409 
410 }
Pi
const double Pi
Definition: CosmicMuonParameters.h:18
MuonMETInfo::hcalPos
math::XYZPoint hcalPos
Definition: MuonMETInfo.h:12
funct::sin
Sin< T >::type sin(const T &t)
Definition: Sin.h:22
create_public_lumi_plots.log
log
Definition: create_public_lumi_plots.py:1102
MuonMETInfo::hcalE
float hcalE
Definition: MuonMETInfo.h:9
mathSSE::sqrt
T sqrt(T t)
Definition: SSEVec.h:48
funct::cos
Cos< T >::type cos(const T &t)
Definition: Cos.h:22
funct::abs
Abs< T >::type abs(const T &t)
Definition: Abs.h:22
MuonMETInfo::hoPos
math::XYZPoint hoPos
Definition: MuonMETInfo.h:13
MuonMETInfo::useTkAssociatorPositions
bool useTkAssociatorPositions
Definition: MuonMETInfo.h:16
MuonMETInfo::ecalE
float ecalE
Definition: MuonMETInfo.h:8
MuonMETInfo::useAverage
bool useAverage
Definition: MuonMETInfo.h:14
MuonMETInfo::ecalPos
math::XYZPoint ecalPos
Definition: MuonMETInfo.h:11
funct::pow
Power< A, B >::type pow(const A &a, const B &b)
Definition: Power.h:40
void MuonMETAlgo::GetMuDepDeltas ( const reco::Muon *  inputMuon,
TrackDetMatchInfo &  info,
bool  useTrackAssociatorPositions,
bool  useRecHits,
bool  useHO,
double  towerEtThreshold,
double &  deltax,
double &  deltay,
double  Bfield 
)

Definition at line 101 of file MuonMETAlgo.cc.

References reco::Muon::calEnergy(), reco::LeafCandidate::charge(), TrackDetMatchInfo::crossedTowers, MuonMETInfo::ecalE, MuonMETInfo::ecalPos, reco::MuonIsolation::emEt, reco::MuonEnergy::emS9, reco::Muon::globalTrack(), reco::MuonIsolation::hadEt, reco::MuonEnergy::hadS9, MuonMETInfo::hcalE, MuonMETInfo::hcalPos, MuonMETInfo::hoE, MuonMETInfo::hoPos, reco::MuonEnergy::hoS9, reco::Muon::innerTrack(), reco::Muon::isGlobalMuon(), reco::Muon::isIsolationValid(), reco::Muon::isolationR03(), reco::Muon::isRPCMuon(), reco::Muon::isTrackerMuon(), reco::Muon::outerTrack(), reco::MuonIsolation::sumPt, TrackDetMatchInfo::trkGlobPosAtEcal, TrackDetMatchInfo::trkGlobPosAtHcal, TrackDetMatchInfo::trkGlobPosAtHO, MuonMETInfo::useAverage, MuonMETInfo::useHO, MuonMETInfo::useTkAssociatorPositions, and reco::LeafCandidate::vertex().

Referenced by cms::MuonMETValueMapProducer::determine_deltax_deltay().

108  {
109 
110 
111  bool useAverage = false;
112  //decide whether or not we want to correct on average based
113  //on isolation information from the muon
114  double sumPt = inputMuon->isIsolationValid()? inputMuon->isolationR03().sumPt : 0.0;
115  double sumEtEcal = inputMuon->isIsolationValid() ? inputMuon->isolationR03().emEt : 0.0;
116  double sumEtHcal = inputMuon->isIsolationValid() ? inputMuon->isolationR03().hadEt : 0.0;
117 
118  if(sumPt > 3 || sumEtEcal + sumEtHcal > 5) useAverage = true;
119 
120  //get the energy using TrackAssociator if
121  //the muon turns out to be isolated
122  MuonMETInfo muMETInfo;
123  muMETInfo.useAverage = useAverage;
124  muMETInfo.useTkAssociatorPositions = useTrackAssociatorPositions;
125  muMETInfo.useHO = useHO;
126 
127 
128  TrackRef mu_track;
129  if(inputMuon->isGlobalMuon()) {
130  mu_track = inputMuon->globalTrack();
131  } else if(inputMuon->isTrackerMuon() || inputMuon->isRPCMuon()) {
132  mu_track = inputMuon->innerTrack();
133  } else
134  mu_track = inputMuon->outerTrack();
135 
136  if(useTrackAssociatorPositions) {
137  muMETInfo.ecalPos = info.trkGlobPosAtEcal;
138  muMETInfo.hcalPos = info.trkGlobPosAtHcal;
139  muMETInfo.hoPos = info.trkGlobPosAtHO;
140  }
141 
142  if(!useAverage) {
143 
144  if(useRecHits) {
145  muMETInfo.ecalE = inputMuon->calEnergy().emS9;
146  muMETInfo.hcalE = inputMuon->calEnergy().hadS9;
147  if(useHO) //muMETInfo.hoE is 0 by default
148  muMETInfo.hoE = inputMuon->calEnergy().hoS9;
149  } else {// use Towers (this is the default)
150  //only include towers whose Et > 0.5 since
151  //by default the MET only includes towers with Et > 0.5
152  std::vector<const CaloTower*> towers = info.crossedTowers;
153  for(vector<const CaloTower*>::const_iterator it = towers.begin();
154  it != towers.end(); it++) {
155  if((*it)->et() < towerEtThreshold) continue;
156  muMETInfo.ecalE += (*it)->emEnergy();
157  muMETInfo.hcalE += (*it)->hadEnergy();
158  if(useHO)
159  muMETInfo.hoE +=(*it)->outerEnergy();
160  }
161  }//use Towers
162  }
163 
164 
165 
166  //This needs to be fixed!!!!!
167  //The tracker has better resolution for pt < 200 GeV
168  math::XYZTLorentzVector mup4;
169  if(inputMuon->isGlobalMuon()) {
170  if(inputMuon->globalTrack()->pt() < 200) {
171  mup4 = LorentzVector(inputMuon->innerTrack()->px(), inputMuon->innerTrack()->py(),
172  inputMuon->innerTrack()->pz(), inputMuon->innerTrack()->p());
173  } else {
174  mup4 = LorentzVector(inputMuon->globalTrack()->px(), inputMuon->globalTrack()->py(),
175  inputMuon->globalTrack()->pz(), inputMuon->globalTrack()->p());
176  }
177  } else if(inputMuon->isTrackerMuon() || inputMuon->isRPCMuon()) {
178  mup4 = LorentzVector(inputMuon->innerTrack()->px(), inputMuon->innerTrack()->py(),
179  inputMuon->innerTrack()->pz(), inputMuon->innerTrack()->p());
180  } else
181  mup4 = LorentzVector(inputMuon->outerTrack()->px(), inputMuon->outerTrack()->py(),
182  inputMuon->outerTrack()->pz(), inputMuon->outerTrack()->p());
183 
184 
185  //call function that does the work
186  correctMETforMuon(deltax, deltay, Bfield, inputMuon->charge(),
187  mup4, inputMuon->vertex(),
188  muMETInfo);
189 }
reco::MuonIsolation::hadEt
float hadEt
hcal sum-Et
Definition: MuonIsolation.h:9
TrackDetMatchInfo::trkGlobPosAtHO
math::XYZPoint trkGlobPosAtHO
Definition: TrackDetMatchInfo.h:41
MuonMETInfo::hcalPos
math::XYZPoint hcalPos
Definition: MuonMETInfo.h:12
reco::MuonIsolation::sumPt
float sumPt
sum-pt of tracks
Definition: MuonIsolation.h:7
TrackDetMatchInfo::crossedTowers
std::vector< const CaloTower * > crossedTowers
Definition: TrackDetMatchInfo.h:63
reco::Muon::innerTrack
virtual TrackRef innerTrack() const
Definition: Muon.h:48
reco::LeafCandidate::vertex
virtual const Point & vertex() const
vertex position (overwritten by PF...)
Definition: LeafCandidate.h:225
reco::Muon::isTrackerMuon
bool isTrackerMuon() const
Definition: Muon.h:219
reco::Muon::isGlobalMuon
bool isGlobalMuon() const
Definition: Muon.h:218
reco::MuonEnergy::emS9
float emS9
energy deposited in 3x3 ECAL crystal shape around central crystal
Definition: MuonEnergy.h:18
MuonMETInfo::hcalE
float hcalE
Definition: MuonMETInfo.h:9
TrackDetMatchInfo::trkGlobPosAtHcal
math::XYZPoint trkGlobPosAtHcal
Definition: TrackDetMatchInfo.h:40
math::XYZTLorentzVector
XYZTLorentzVectorD XYZTLorentzVector
Lorentz vector with cylindrical internal representation using pseudorapidity.
Definition: LorentzVector.h:29
reco::Muon::isRPCMuon
bool isRPCMuon() const
Definition: Muon.h:223
reco::MuonIsolation::emEt
float emEt
ecal sum-Et
Definition: MuonIsolation.h:8
reco::LeafCandidate::charge
virtual int charge() const
electric charge
Definition: LeafCandidate.h:140
reco::MuonEnergy::hoS9
float hoS9
energy deposited in 3x3 HO tower shape around central tower
Definition: MuonEnergy.h:34
MuonMETInfo::hoPos
math::XYZPoint hoPos
Definition: MuonMETInfo.h:13
MuonMETInfo::useTkAssociatorPositions
bool useTkAssociatorPositions
Definition: MuonMETInfo.h:16
MuonMETInfo::ecalE
float ecalE
Definition: MuonMETInfo.h:8
reco::Muon::outerTrack
virtual TrackRef outerTrack() const
reference to Track reconstructed in the muon detector only
Definition: Muon.h:51
reco::Muon::calEnergy
MuonEnergy calEnergy() const
get energy deposition information
Definition: Muon.h:111
MuonMETInfo::useAverage
bool useAverage
Definition: MuonMETInfo.h:14
MuonMETAlgo::correctMETforMuon
static void correctMETforMuon(double &deltax, double &deltay, double bfield, int muonCharge, const math::XYZTLorentzVector &muonP4, const math::XYZPoint &muonVertex, MuonMETInfo &)
Definition: MuonMETAlgo.cc:193
MuonMETInfo::ecalPos
math::XYZPoint ecalPos
Definition: MuonMETInfo.h:11
TrackDetMatchInfo::trkGlobPosAtEcal
math::XYZPoint trkGlobPosAtEcal
Track position at different parts of the calorimeter.
Definition: TrackDetMatchInfo.h:39
reco::Muon::isIsolationValid
bool isIsolationValid() const
Definition: Muon.h:170
reco::MuonEnergy::hadS9
float hadS9
energy deposited in 3x3 HCAL tower shape around central tower
Definition: MuonEnergy.h:28
reco::Muon::isolationR03
const MuonIsolation & isolationR03() const
Definition: Muon.h:158
reco::JetExtendedAssociation::LorentzVector
math::PtEtaPhiELorentzVectorF LorentzVector
Definition: JetExtendedAssociation.h:25
reco::Muon::globalTrack
virtual TrackRef globalTrack() const
reference to Track reconstructed in both tracked and muon detector
Definition: Muon.h:54
reco::CaloMET MuonMETAlgo::makeMET ( const reco::CaloMET &  fMet,
double  fSumEt,
const std::vector< CorrMETData > &  fCorrections,
const reco::MET::LorentzVector &   
)
reco::MET MuonMETAlgo::makeMET ( const reco::MET &  ,
double  fSumEt,
const std::vector< CorrMETData > &  fCorrections,
const reco::MET::LorentzVector &  fP4 
)
template<class T >
void MuonMETAlgo::MuonMETAlgo_run ( const edm::View< reco::Muon > &  inputMuons,
const edm::ValueMap< reco::MuonMETCorrectionData > &  vm_muCorrData,
const edm::View< T > &  v_uncorMET,
std::vector< T > *  v_corMET 
)

Definition at line 48 of file MuonMETAlgo.cc.

References reco::MuonMETCorrectionData::corrX(), reco::MuonMETCorrectionData::corrY(), delta, i, CorrMETData::mex, CorrMETData::mey, RPCpg::mu, reco::LeafCandidate::p4(), edm::View< T >::refAt(), query::result, edm::View< T >::size(), mathSSE::sqrt(), CorrMETData::sumet, and reco::MuonMETCorrectionData::type().

52 {
53  T uncorMETObj = v_uncorMET.front();
54 
55  double corMETX = uncorMETObj.px();
56  double corMETY = uncorMETObj.py();
57 
58  double sumMuPx = 0.;
59  double sumMuPy = 0.;
60  double sumMuPt = 0.;
61  double sumMuDepEx = 0.;
62  double sumMuDepEy = 0.;
63  double sumMuDepEt = 0.;
64 
65  for(unsigned int i = 0; i < inputMuons.size(); ++i)
66  {
67  reco::MuonMETCorrectionData muCorrData = vm_muCorrData[inputMuons.refAt(i)];
68 
69  if(muCorrData.type() == 0) continue;
70 
71  float deltax = muCorrData.corrX();
72  float deltay = muCorrData.corrY();
73 
74  const reco::Muon *mu = &inputMuons[i];
75  LorentzVector mup4 = mu->p4();
76 
77  sumMuPx += mup4.px();
78  sumMuPy += mup4.py();
79  sumMuPt += mup4.pt();
80  sumMuDepEx += deltax;
81  sumMuDepEy += deltay;
82  sumMuDepEt += sqrt(deltax*deltax + deltay*deltay);
83  corMETX = corMETX - mup4.px() + deltax;
84  corMETY = corMETY - mup4.py() + deltay;
85 
86  }
87 
88  CorrMETData delta;
89  delta.mex = sumMuDepEx - sumMuPx;
90  delta.mey = sumMuDepEy - sumMuPy;
91  delta.sumet = sumMuPt - sumMuDepEt;
92  MET::LorentzVector correctedMET4vector(corMETX, corMETY, 0., sqrt(corMETX*corMETX + corMETY*corMETY));
93  std::vector<CorrMETData> corrections = uncorMETObj.mEtCorr();
94  corrections.push_back(delta);
95 
96  T result = makeMET(uncorMETObj, uncorMETObj.sumEt() + delta.sumet, corrections, correctedMET4vector);
97  v_corMET->push_back(result);
98 }
delta
dbl * delta
Definition: mlp_gen.cc:36
i
int i
Definition: DBlmapReader.cc:9
edm::View::size
size_type size() const
edm::View::refAt
RefToBase< value_type > refAt(size_type i) const
mathSSE::sqrt
T sqrt(T t)
Definition: SSEVec.h:48
query.result
tuple result
Definition: query.py:137
RPCpg::mu
const int mu
Definition: Constants.h:22
CorrMETData::sumet
double sumet
Definition: CorrMETData.h:20
CorrMETData
a MET correction term
Definition: CorrMETData.h:14
LorentzVector
ROOT::Math::LorentzVector< ROOT::Math::PxPyPzE4D< float > > LorentzVector
Definition: analysisEnums.h:9
CorrMETData::mey
double mey
Definition: CorrMETData.h:18
CorrMETData::mex
double mex
Definition: CorrMETData.h:17
T
long double T
Definition: Basic3DVectorLD.h:57
reco::LeafCandidate::p4
virtual const LorentzVector & p4() const
four-momentum Lorentz vector
Definition: LeafCandidate.h:148
MuonMETAlgo::makeMET
reco::CaloMET makeMET(const reco::CaloMET &fMet, double fSumEt, const std::vector< CorrMETData > &fCorrections, const reco::MET::LorentzVector &)
reco::JetExtendedAssociation::LorentzVector
math::PtEtaPhiELorentzVectorF LorentzVector
Definition: JetExtendedAssociation.h:25
virtual void MuonMETAlgo::run ( const edm::View< reco::Muon > &  inputMuons,
const edm::ValueMap< reco::MuonMETCorrectionData > &  vm_muCorrData,
const edm::View< reco::MET > &  uncorMET,
reco::METCollection *  corMET 
)
virtual

Referenced by cms::MuonMET::produce().

virtual void MuonMETAlgo::run ( const edm::View< reco::Muon > &  inputMuons,
const edm::ValueMap< reco::MuonMETCorrectionData > &  vm_muCorrData,
const edm::View< reco::CaloMET > &  uncorMET,
reco::CaloMETCollection *  corMET 
)
virtual
Generated for CMSSW Reference Manual by doxygen 1.8.5