| 1 |
// $Id: MuonTools.cc,v 1.7 2008/12/04 13:53:34 loizides Exp $
|
| 2 |
|
| 3 |
#include "MitPhysics/Utils/interface/MuonTools.h"
|
| 4 |
#include <TFile.h>
|
| 5 |
|
| 6 |
using namespace mithep;
|
| 7 |
|
| 8 |
//--------------------------------------------------------------------------------------------------
|
| 9 |
MuonTools::MuonTools(const char *mutemp, const char *pitemp) :
|
| 10 |
fIsInit(kFALSE),
|
| 11 |
fmuon_em_etaEmi(0),
|
| 12 |
fmuon_had_etaEmi(0),
|
| 13 |
fmuon_had_etaTmi(0),
|
| 14 |
fmuon_em_etaB(0),
|
| 15 |
fmuon_had_etaB(0),
|
| 16 |
fmuon_ho_etaB(0),
|
| 17 |
fmuon_had_etaTpl(0),
|
| 18 |
fmuon_em_etaEpl(0),
|
| 19 |
fmuon_had_etaEpl(0),
|
| 20 |
fpion_em_etaEmi(0),
|
| 21 |
fpion_had_etaEmi(0),
|
| 22 |
fpion_had_etaTmi(0),
|
| 23 |
fpion_em_etaB(0),
|
| 24 |
fpion_had_etaB(0),
|
| 25 |
fpion_ho_etaB(0),
|
| 26 |
fpion_had_etaTpl(0),
|
| 27 |
fpion_em_etaEpl(0),
|
| 28 |
fpion_had_etaEpl(0)
|
| 29 |
{
|
| 30 |
// Constructor.
|
| 31 |
|
| 32 |
if (mutemp && pitemp)
|
| 33 |
Init(mutemp, pitemp);
|
| 34 |
}
|
| 35 |
|
| 36 |
//--------------------------------------------------------------------------------------------------
|
| 37 |
MuonTools::~MuonTools()
|
| 38 |
{
|
| 39 |
// Destructor.
|
| 40 |
|
| 41 |
DeleteHistos();
|
| 42 |
}
|
| 43 |
|
| 44 |
//--------------------------------------------------------------------------------------------------
|
| 45 |
void MuonTools::DeleteHistos()
|
| 46 |
{
|
| 47 |
// Delete histograms.
|
| 48 |
|
| 49 |
if (fIsInit) {
|
| 50 |
delete fpion_em_etaEmi;
|
| 51 |
delete fpion_had_etaEmi;
|
| 52 |
delete fpion_had_etaTmi;
|
| 53 |
delete fpion_em_etaB;
|
| 54 |
delete fpion_had_etaB;
|
| 55 |
delete fpion_ho_etaB;
|
| 56 |
delete fpion_had_etaTpl;
|
| 57 |
delete fpion_em_etaEpl;
|
| 58 |
delete fpion_had_etaEpl;
|
| 59 |
delete fmuon_em_etaEmi;
|
| 60 |
delete fmuon_had_etaEmi;
|
| 61 |
delete fmuon_had_etaTmi;
|
| 62 |
delete fmuon_em_etaB;
|
| 63 |
delete fmuon_had_etaB;
|
| 64 |
delete fmuon_ho_etaB;
|
| 65 |
delete fmuon_had_etaTpl;
|
| 66 |
delete fmuon_em_etaEpl;
|
| 67 |
delete fmuon_had_etaEpl;
|
| 68 |
fpion_em_etaEmi = 0;
|
| 69 |
fpion_had_etaEmi = 0;
|
| 70 |
fpion_had_etaTmi = 0;
|
| 71 |
fpion_em_etaB = 0;
|
| 72 |
fpion_had_etaB = 0;
|
| 73 |
fpion_ho_etaB = 0;
|
| 74 |
fpion_had_etaTpl = 0;
|
| 75 |
fpion_em_etaEpl = 0;
|
| 76 |
fpion_had_etaEpl = 0;
|
| 77 |
fmuon_em_etaEmi = 0;
|
| 78 |
fmuon_had_etaEmi = 0;
|
| 79 |
fmuon_had_etaTmi = 0;
|
| 80 |
fmuon_em_etaB = 0;
|
| 81 |
fmuon_had_etaB = 0;
|
| 82 |
fmuon_ho_etaB = 0;
|
| 83 |
fmuon_had_etaTpl = 0;
|
| 84 |
fmuon_em_etaEpl = 0;
|
| 85 |
fmuon_had_etaEpl = 0;
|
| 86 |
fIsInit = kFALSE;
|
| 87 |
}
|
| 88 |
}
|
| 89 |
|
| 90 |
//--------------------------------------------------------------------------------------------------
|
| 91 |
Double_t MuonTools::GetCaloCompatability(const Muon *iMuon,
|
| 92 |
Bool_t iEMSpecial, Bool_t iCorrectedHCAL) const
|
| 93 |
{
|
| 94 |
// Get calo compatibility value for given muon.
|
| 95 |
|
| 96 |
Double_t lEta = iMuon->Eta();
|
| 97 |
Double_t aEta = TMath::Abs(lEta);
|
| 98 |
if (aEta > 2.5)
|
| 99 |
return 0.5;
|
| 100 |
|
| 101 |
Double_t lP = iMuon->P();
|
| 102 |
if (lP >= 2000.)
|
| 103 |
lP = 1999.9;
|
| 104 |
if(lP < 0. )
|
| 105 |
return 0.5;
|
| 106 |
|
| 107 |
Double_t lEM = -5.;
|
| 108 |
if (!iEMSpecial || iMuon->EmEnergy() != 0.)
|
| 109 |
lEM = iMuon->EmEnergy();
|
| 110 |
|
| 111 |
Double_t lHad = iMuon->HadEnergy();
|
| 112 |
Double_t lHO = iMuon->HoEnergy();;
|
| 113 |
|
| 114 |
TH2D *lTMuonHad = 0;
|
| 115 |
TH2D *lTPionHad = 0;
|
| 116 |
TH2D *lTMuonHo = 0;
|
| 117 |
TH2D *lTPionHo = 0;
|
| 118 |
TH2D *lTMuonEm = 0;
|
| 119 |
TH2D *lTPionEm = 0;
|
| 120 |
|
| 121 |
if (aEta >= 1.27) {
|
| 122 |
if (iCorrectedHCAL)
|
| 123 |
lHad *= 1.8/2.2;
|
| 124 |
if (lEta > 0) {
|
| 125 |
lTPionHad = fpion_had_etaEpl;
|
| 126 |
lTMuonHad = fmuon_had_etaEpl;
|
| 127 |
} else {
|
| 128 |
lTPionHad = fpion_had_etaEmi;
|
| 129 |
lTMuonHad = fmuon_had_etaEmi;
|
| 130 |
}
|
| 131 |
}
|
| 132 |
|
| 133 |
if (aEta < 1.27 && aEta >= 1.1) {
|
| 134 |
if (iCorrectedHCAL)
|
| 135 |
lHad *= (1.8/(-2.2*aEta+5.5));
|
| 136 |
if (lEta > 0) {
|
| 137 |
lTPionHad = fpion_had_etaTpl;
|
| 138 |
lTMuonHad = fmuon_had_etaTpl;
|
| 139 |
} else {
|
| 140 |
lTPionHad = fpion_had_etaTmi;
|
| 141 |
lTMuonHad = fmuon_had_etaTmi;
|
| 142 |
}
|
| 143 |
}
|
| 144 |
|
| 145 |
if (aEta < 1.1) {
|
| 146 |
if(iCorrectedHCAL)
|
| 147 |
lHad *= TMath::Sin(2*TMath::ATan(TMath::Exp(lEta)));
|
| 148 |
lTPionHad = fpion_had_etaB;
|
| 149 |
lTMuonHad = fmuon_had_etaB;
|
| 150 |
}
|
| 151 |
if (lEta > 1.479) {
|
| 152 |
lTPionEm = fpion_em_etaEpl;
|
| 153 |
lTMuonEm = fmuon_em_etaEpl;
|
| 154 |
}
|
| 155 |
if (aEta <= 1.479) {
|
| 156 |
lTPionEm = fpion_em_etaB;
|
| 157 |
lTMuonEm = fmuon_em_etaB;
|
| 158 |
}
|
| 159 |
if (lEta < -1.479) {
|
| 160 |
lTPionEm = fpion_em_etaEmi;
|
| 161 |
lTMuonEm = fmuon_em_etaEmi;
|
| 162 |
}
|
| 163 |
if (aEta < 1.28) {
|
| 164 |
lTPionHo = fpion_ho_etaB;
|
| 165 |
lTMuonHo = fmuon_ho_etaB;
|
| 166 |
}
|
| 167 |
|
| 168 |
Double_t lPBX = 1.;
|
| 169 |
Double_t lPSX = 1.;
|
| 170 |
Double_t lPBY = 1.;
|
| 171 |
Double_t lPSY = 1.;
|
| 172 |
Double_t lPBZ = 1.;
|
| 173 |
Double_t lPSZ = 1.;
|
| 174 |
if (!Overflow(lTPionEm, lP,lEM))
|
| 175 |
lPBX = lTPionEm ->GetBinContent(lTPionEm ->GetXaxis()->FindBin(lP),
|
| 176 |
lTPionEm ->GetYaxis()->FindBin(lEM));
|
| 177 |
if (!Overflow(lTPionHad,lP,lHad))
|
| 178 |
lPBY = lTPionHad->GetBinContent(lTPionHad->GetXaxis()->FindBin(lP),
|
| 179 |
lTPionHad->GetYaxis()->FindBin(lHad));
|
| 180 |
if (!Overflow(lTPionHo, lP,lHO))
|
| 181 |
lPBZ = lTPionHo ->GetBinContent(lTPionHo ->GetXaxis()->FindBin(lP),
|
| 182 |
lTPionHo ->GetYaxis()->FindBin(lHO));
|
| 183 |
if (!Overflow(lTMuonEm, lP,lEM ))
|
| 184 |
lPSX = lTMuonEm ->GetBinContent(lTMuonEm ->GetXaxis()->FindBin(lP),
|
| 185 |
lTMuonEm ->GetYaxis()->FindBin(lEM));
|
| 186 |
if (!Overflow(lTMuonHad,lP,lHad))
|
| 187 |
lPSY = lTMuonHad->GetBinContent(lTMuonHad->GetXaxis()->FindBin(lP),
|
| 188 |
lTMuonHad->GetYaxis()->FindBin(lHad));
|
| 189 |
if (!Overflow(lTMuonHo ,lP,lHO))
|
| 190 |
lPSZ = lTMuonHo ->GetBinContent(lTMuonHo ->GetXaxis()->FindBin(lP),
|
| 191 |
lTMuonHo ->GetYaxis()->FindBin(lHO));
|
| 192 |
|
| 193 |
if (lPSX == 0. || lPBX == 0. || (lEM <= 0. && !iEMSpecial)) {
|
| 194 |
lPSX = 1.;
|
| 195 |
lPBX = 1.;
|
| 196 |
}
|
| 197 |
if (lPSY == 0. || lPBY == 0. || lHad == 0.) {
|
| 198 |
lPSY = 1.;
|
| 199 |
lPBY = 1.;
|
| 200 |
}
|
| 201 |
if (lPSZ == 0. || lPBZ == 0. || lHO == 0.) {
|
| 202 |
lPSZ = 1.;
|
| 203 |
lPBZ = 1.;
|
| 204 |
}
|
| 205 |
if ((lPSX*lPSY*lPSZ+lPBX*lPBY*lPBZ) > 0.)
|
| 206 |
return lPSX*lPSY*lPSZ/(lPSX*lPSY*lPSZ+lPBX*lPBY*lPBZ);
|
| 207 |
|
| 208 |
return 0.5;
|
| 209 |
}
|
| 210 |
|
| 211 |
//--------------------------------------------------------------------------------------------------
|
| 212 |
Bool_t MuonTools::Init(const char *mutemp, const char *pitemp)
|
| 213 |
{
|
| 214 |
// Read histograms from given files.
|
| 215 |
|
| 216 |
if (fIsInit) {
|
| 217 |
DeleteHistos();
|
| 218 |
}
|
| 219 |
|
| 220 |
TDirectory::TContext context(0);
|
| 221 |
|
| 222 |
TFile *muon_templates = TFile::Open(mutemp);
|
| 223 |
if (!muon_templates) {
|
| 224 |
Fatal("Init", "Could not open file %s", mutemp);
|
| 225 |
return kFALSE;
|
| 226 |
}
|
| 227 |
fmuon_em_etaEmi = LoadHisto("em_etaEmi", muon_templates);
|
| 228 |
fmuon_had_etaEmi = LoadHisto("had_etaEmi", muon_templates);
|
| 229 |
fmuon_had_etaTmi = LoadHisto("had_etaTmi", muon_templates);
|
| 230 |
fmuon_em_etaB = LoadHisto("em_etaB", muon_templates);
|
| 231 |
fmuon_had_etaB = LoadHisto("had_etaB", muon_templates);
|
| 232 |
fmuon_ho_etaB = LoadHisto("ho_etaB", muon_templates);
|
| 233 |
fmuon_had_etaTpl = LoadHisto("had_etaTpl", muon_templates);
|
| 234 |
fmuon_em_etaEpl = LoadHisto("em_etaEpl", muon_templates);
|
| 235 |
fmuon_had_etaEpl = LoadHisto("had_etaEpl", muon_templates);
|
| 236 |
muon_templates->Close();
|
| 237 |
delete muon_templates;
|
| 238 |
|
| 239 |
TFile *pion_templates = TFile::Open(pitemp);
|
| 240 |
if (!pion_templates) {
|
| 241 |
Fatal("Init", "Could not open file %s", pitemp);
|
| 242 |
return kFALSE;
|
| 243 |
}
|
| 244 |
|
| 245 |
fpion_em_etaEmi = LoadHisto("em_etaEmi", pion_templates);
|
| 246 |
fpion_had_etaEmi = LoadHisto("had_etaEmi", pion_templates);
|
| 247 |
fpion_had_etaTmi = LoadHisto("had_etaTmi", pion_templates);
|
| 248 |
fpion_em_etaB = LoadHisto("em_etaB", pion_templates);
|
| 249 |
fpion_had_etaB = LoadHisto("had_etaB", pion_templates);
|
| 250 |
fpion_ho_etaB = LoadHisto("ho_etaB", pion_templates);
|
| 251 |
fpion_had_etaTpl = LoadHisto("had_etaTpl", pion_templates);
|
| 252 |
fpion_em_etaEpl = LoadHisto("em_etaEpl", pion_templates);
|
| 253 |
fpion_had_etaEpl = LoadHisto("had_etaEpl", pion_templates);
|
| 254 |
pion_templates->Close();
|
| 255 |
delete pion_templates;
|
| 256 |
|
| 257 |
fIsInit = kTRUE;
|
| 258 |
return kTRUE;
|
| 259 |
}
|
| 260 |
|
| 261 |
//--------------------------------------------------------------------------------------------------
|
| 262 |
Bool_t MuonTools::IsGood(const mithep::Muon *iMuon, ESelType iSel) const
|
| 263 |
{
|
| 264 |
// Return true if given muon qualifies given selection criterium.
|
| 265 |
|
| 266 |
Double_t tm2dcut = 0.;
|
| 267 |
|
| 268 |
switch(iSel) {
|
| 269 |
case kAllArbitrated:
|
| 270 |
if (iMuon->StandaloneTrk() != 0 || iMuon->GlobalTrk()!= 0)
|
| 271 |
return kTRUE;
|
| 272 |
if (iMuon->NSegments() > 0)
|
| 273 |
return kTRUE;
|
| 274 |
break;
|
| 275 |
case kPromptTight:
|
| 276 |
return iMuon->PromptTight(Muon::kAny);
|
| 277 |
break;
|
| 278 |
case kTMOneStationLoose:
|
| 279 |
return iMuon->TMOneStation(999999,999999);
|
| 280 |
break;
|
| 281 |
case kTMOneStationTight:
|
| 282 |
return iMuon->TMOneStation();
|
| 283 |
break;
|
| 284 |
case kTMLastStationLoose:
|
| 285 |
return iMuon->TMLastStation(999999,999999);
|
| 286 |
break;
|
| 287 |
case kTMLastStationTight:
|
| 288 |
return iMuon->TMLastStation();
|
| 289 |
break;
|
| 290 |
case kTM2DCompatibilityLoose:
|
| 291 |
tm2dcut = 0.7;
|
| 292 |
break;
|
| 293 |
case kTM2DCompatibilityTight:
|
| 294 |
tm2dcut = 1.0;
|
| 295 |
break;
|
| 296 |
default:
|
| 297 |
return kFALSE;
|
| 298 |
break;
|
| 299 |
}
|
| 300 |
|
| 301 |
Double_t lVal = GetSegmentCompatability(iMuon);
|
| 302 |
if (lVal == 0.5) // exclude this border case
|
| 303 |
return kFALSE;
|
| 304 |
|
| 305 |
lVal *= 1.2;
|
| 306 |
lVal += 0.8*GetCaloCompatability(iMuon,kTRUE,kTRUE);
|
| 307 |
if (lVal > tm2dcut)
|
| 308 |
return kTRUE;
|
| 309 |
|
| 310 |
return kFALSE;
|
| 311 |
}
|
| 312 |
|
| 313 |
//--------------------------------------------------------------------------------------------------
|
| 314 |
Double_t MuonTools::GetSegmentCompatability(const mithep::Muon *iMuon) const
|
| 315 |
{
|
| 316 |
// Get segment compatability for given muon.
|
| 317 |
|
| 318 |
Int_t lNStationsCrossed = 0;
|
| 319 |
Int_t lNStationsSegment = 0;
|
| 320 |
|
| 321 |
Int_t lStSegmentmatch[8];
|
| 322 |
Int_t lStCrossed[8];
|
| 323 |
Double_t lStBoundary[8];
|
| 324 |
|
| 325 |
Double_t lWeight = 0.;
|
| 326 |
Bool_t lAdjust = kTRUE;
|
| 327 |
for (Int_t i0 = 0; i0 < 8; ++i0) {
|
| 328 |
lStBoundary[i0] = 0.;
|
| 329 |
if(iMuon->GetTrackDist(i0) < 999999. ) {
|
| 330 |
lNStationsCrossed++;
|
| 331 |
lStCrossed[i0] = 1;
|
| 332 |
if (iMuon->GetTrackDist(i0) > -10. )
|
| 333 |
lStBoundary[i0] = iMuon->GetTrackDist(i0);
|
| 334 |
} else
|
| 335 |
lStCrossed[i0] = 0;
|
| 336 |
|
| 337 |
if(iMuon->GetDX(i0) < 999999.) {
|
| 338 |
lNStationsSegment++;
|
| 339 |
lStSegmentmatch[i0] = 1;
|
| 340 |
} else
|
| 341 |
lStSegmentmatch[i0] = 0;
|
| 342 |
|
| 343 |
if(iMuon->GetDY(i0) < 999999.)
|
| 344 |
lAdjust = kFALSE;
|
| 345 |
}
|
| 346 |
|
| 347 |
if (lNStationsCrossed == 0)
|
| 348 |
return 0.5;
|
| 349 |
|
| 350 |
Double_t lStWeight[8];
|
| 351 |
Int_t lPCross = -1;
|
| 352 |
const Double_t lAtWeight = 0.5;
|
| 353 |
for (Int_t i0 = 0; i0< 8; ++i0) {
|
| 354 |
lStWeight[i0] = 0;
|
| 355 |
if (lStCrossed[i0] > 0) {
|
| 356 |
lPCross++;
|
| 357 |
|
| 358 |
switch (lNStationsCrossed) {
|
| 359 |
case 1 :
|
| 360 |
lStWeight[i0] = 1.;
|
| 361 |
break;
|
| 362 |
case 2 :
|
| 363 |
if (lPCross == 0 )
|
| 364 |
lStWeight[i0] = 0.33;
|
| 365 |
else
|
| 366 |
lStWeight[i0] = 0.67;
|
| 367 |
break;
|
| 368 |
case 3 :
|
| 369 |
if (lPCross == 0)
|
| 370 |
lStWeight[i0] = 0.23;
|
| 371 |
else if (lPCross == 1)
|
| 372 |
lStWeight[i0] = 0.33;
|
| 373 |
else
|
| 374 |
lStWeight[i0] = 0.44;
|
| 375 |
break;
|
| 376 |
case 4 :
|
| 377 |
if (lPCross == 0)
|
| 378 |
lStWeight[i0] = 0.10;
|
| 379 |
else if (lPCross == 1)
|
| 380 |
lStWeight[i0] = 0.20;
|
| 381 |
else if (lPCross == 2)
|
| 382 |
lStWeight[i0] = 0.30;
|
| 383 |
else
|
| 384 |
lStWeight[i0] = 0.40;
|
| 385 |
break;
|
| 386 |
default :
|
| 387 |
lStWeight[i0] = 1./lNStationsCrossed;
|
| 388 |
}
|
| 389 |
|
| 390 |
if (lStSegmentmatch[i0] <= 0 && lStBoundary[i0] != 0.)
|
| 391 |
lStWeight[i0] *= lAtWeight*0.5*(TMath::Erf(lStBoundary[i0]/6.)+1.);
|
| 392 |
else if (lStSegmentmatch[i0] <= 0 && lStBoundary[i0] == 0)
|
| 393 |
lStWeight[i0] = 0.;
|
| 394 |
|
| 395 |
if (lStSegmentmatch[i0] > 0) {
|
| 396 |
Double_t lP2X = TMath::Power(iMuon->GetPullX(i0),2.);
|
| 397 |
Double_t lP2Y = TMath::Power(iMuon->GetPullY(i0),2.);
|
| 398 |
Double_t lD2X = TMath::Power(iMuon->GetDX(i0),2.);
|
| 399 |
Double_t lD2Y = TMath::Power(iMuon->GetDY(i0),2.);
|
| 400 |
if (iMuon->GetDY(i0) < 999999 && iMuon->GetDX(i0) < 999999)
|
| 401 |
lStWeight[i0] *= SigWeight(TMath::Sqrt(lD2X+lD2Y),TMath::Sqrt(lP2X+lP2Y));
|
| 402 |
else if (iMuon->GetDY(i0) >= 999999 && i0 < 4)
|
| 403 |
lStWeight[i0] *= SigWeight(iMuon->GetDX(i0),iMuon->GetPullX(i0));
|
| 404 |
else if(i0 < 4)
|
| 405 |
lStWeight[i0] *= SigWeight(iMuon->GetDY(i0),iMuon->GetPullY(i0));
|
| 406 |
}
|
| 407 |
}
|
| 408 |
lWeight += lStWeight[i0];
|
| 409 |
}
|
| 410 |
|
| 411 |
return lWeight;
|
| 412 |
}
|
| 413 |
|
| 414 |
//--------------------------------------------------------------------------------------------------
|
| 415 |
TH2D *MuonTools::LoadHisto(const char *name, TFile *file) const
|
| 416 |
{
|
| 417 |
// Load histogram with given name from given file and return it.
|
| 418 |
|
| 419 |
TH2D *ret = dynamic_cast<TH2D*>(file->Get(name));
|
| 420 |
if (!ret) {
|
| 421 |
Fatal("LoadHisto", "Could not load histogram %s from file %s", name, file->GetName());
|
| 422 |
return 0;
|
| 423 |
}
|
| 424 |
ret->SetDirectory(0);
|
| 425 |
return ret;
|
| 426 |
}
|
| 427 |
|
