PWGHF/vertexingHF/AliHFSystErr.cxx

   1 /**************************************************************************
   2  * Copyright(c) 1998-2010, ALICE Experiment at CERN, All rights reserved. *
   3  *                                                                        *
   4  * Author: The ALICE Off-line Project.                                    *
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  11  * appear in the supporting documentation. The authors make no claims     *
  12  * about the suitability of this software for any purpose. It is          *
  13  * provided "as is" without express or implied warranty.                  *
  14  **************************************************************************/
  15
  16 /* $Id$ */
  17
  18 /////////////////////////////////////////////////////////////
  19 //
  20 // Class to handle systematic errors for charm hadrons
  21 //
  22 // Usage:
  23 // AliHFSystEff syst;           // DECAY = 1 for D0, 2, for D+, 3 for D*
  24 // syst.SetRunNumber(YEAR);     // YEAR = two last numbers of the year (is 10 for 2010)
  25 // syst.SetCollisionType(TYPE);  // TYPE =  0 is pp, 1 is PbPb
  26 // syst.SetCentrality(CENT);     // CENT is centrality, 0100 for MB, 020 (4080) for 0-20 (40-80) CC...
  27 // syst.Init(DECAY);             // DECAY = 1 for D0, 2, for D+, 3 for D*
  28 // syst.DrawErrors(); // to see a plot of the error contributions
  29 // syst.GetTotalSystErr(pt); // to get the total err at pt
  30 //
  31 // Author: A.Dainese, andrea.dainese@pd.infn.it
  32 /////////////////////////////////////////////////////////////
  33
  34 #include <TStyle.h>
  35 #include <TGraphAsymmErrors.h>
  36 #include <TMath.h>
  37 #include <TCanvas.h>
  38 #include <TH2F.h>
  39 #include <TLegend.h>
  40 #include <TColor.h>
  41
  42 #include "AliLog.h"
  43 #include "AliHFSystErr.h"
  44
  45
  46 ClassImp(AliHFSystErr)
  47
  48 //--------------------------------------------------------------------------
  49 AliHFSystErr::AliHFSystErr(const Char_t* name, const Char_t* title) :
  50 TNamed(name,title),
  51 fNorm(0),
  52 fRawYield(0),
  53 fTrackingEff(0),
  54 fBR(0),
  55 fCutsEff(0),
  56 fPIDEff(0),
  57 fMCPtShape(0),
  58 fPartAntipart(0),
  59 fRunNumber(10),
  60 fCollisionType(0),
  61 fCentralityClass("0100"),
  62 fIsLowEnergy(false)
  63 {
  64   //
  65   // Default Constructor
  66   //
  67 }
  68
  69 //--------------------------------------------------------------------------
  70 AliHFSystErr::~AliHFSystErr() {
  71   //
  72   // Default Destructor
  73   //
  74   /*
  75
  76   if(fNorm)         { delete fNorm; fNorm=0; }
  77   if(fRawYield)     { delete fRawYield; fRawYield=0; }
  78   if(fTrackingEff)  { delete fTrackingEff; fTrackingEff=0; }
  79   if(fBR)           { delete fBR; fBR=0; }
  80   if(fCutsEff)      { delete fCutsEff; fCutsEff=0; }
  81   if(fPIDEff)       { delete fPIDEff; fPIDEff=0; }
  82   if(fMCPtShape)    { delete fMCPtShape; fMCPtShape=0; }
  83   if(fPartAntipart) { delete fPartAntipart; fPartAntipart=0; }
  84   */
  85 }
  86
  87 //--------------------------------------------------------------------------
  88 void AliHFSystErr::Init(Int_t decay){
  89   //
  90   // Variables/histos initialization
  91   //
  92
  93   if (fRunNumber!=10 && fIsLowEnergy==false) {
  94     AliError("Only settings for 2010 and the low energy runs are implemented so far");
  95   }
  96   if (fCentralityClass!="020" && fCentralityClass!="4080" && fCentralityClass!="0100"){
  97     AliError("Only settings for MB2010 are implemented so far");
  98   }
  99
 100   switch(decay) {
 101   case 1: // D0->Kpi
 102     if (fCollisionType==0) {
 103       if (fIsLowEnergy) InitD0toKpi2010ppLowEn();
 104       else InitD0toKpi2010pp();
 105     } else if (fCollisionType==1) {
 106       if (fCentralityClass=="020") InitD0toKpi2010PbPb020();
 107       else if (fCentralityClass=="4080") InitD0toKpi2010PbPb4080();
 108       else AliError("Not yet implemented");
 109     }
 110     //    else if (fCollisionType==2) InitD0toKpi2010ppLowEn();
 111     break;
 112   case 2: // D+->Kpipi
 113     if (fCollisionType==0) {
 114       if (fIsLowEnergy) InitDplustoKpipi2010ppLowEn();
 115       else InitDplustoKpipi2010pp();
 116     } else if (fCollisionType==1) {
 117       if (fCentralityClass=="020") InitDplustoKpipi2010PbPb020();
 118       else if (fCentralityClass=="4080") InitDplustoKpipi2010PbPb4080();
 119       else AliError("Not yet implemented");
 120     }
 121     break;
 122   case 3: // D*->D0pi
 123     if (fCollisionType==0) {
 124       if(fIsLowEnergy)  InitDstartoD0pi2010ppLowEn();
 125       else InitDstartoD0pi2010pp();
 126     }else if (fCollisionType==1) {
 127       if (fCentralityClass=="020")  InitDstartoD0pi2010PbPb020();
 128       if (fCentralityClass=="2040") InitDstartoD0pi2010PbPb2040();
 129       if (fCentralityClass=="4080") InitDstartoD0pi2010PbPb4080();
 130       if (fCentralityClass!="4080" && fCentralityClass!="2040" && fCentralityClass!="020")  AliError("Not yet implemented");
 131     }
 132     break;
 133   case 4: // D+s->KKpi
 134     if (fCollisionType==0) InitDstoKKpi2010pp();
 135     else AliError("Not yet implemented");
 136     break;
 137
 138   default:
 139     printf("Invalid decay type: %d\n",decay);
 140     break;
 141   }
 142
 143 }
 144
 145 //--------------------------------------------------------------------------
 146 void AliHFSystErr::InitD0toKpi2010pp() {
 147   //
 148   // D0->Kpi syst errors. Responsible: A. Rossi
 149   //   2010 pp sample
 150   //
 151
 152   // Normalization
 153   fNorm = new TH1F("fNorm","fNorm",24,0,24);
 154   for(Int_t i=1;i<=24;i++) fNorm->SetBinContent(i,0.04); // 4% error on sigmaV0and
 155
 156   // Branching ratio
 157   fBR = new TH1F("fBR","fBR",24,0,24);
 158   for(Int_t i=1;i<=24;i++) fBR->SetBinContent(i,0.012); // 1.2% PDG2010
 159
 160   // Tracking efficiency
 161   fTrackingEff = new TH1F("fTrackingEff","fTrackingEff",24,0,24);
 162   for(Int_t i=1;i<=24;i++) fTrackingEff->SetBinContent(i,0.08); // 8% (4% per track)
 163
 164   // Raw yield extraction
 165   fRawYield = new TH1F("fRawYield","fRawYield",24,0,24);
 166   fRawYield->SetBinContent(1,1);
 167   fRawYield->SetBinContent(2,0.22);
 168   fRawYield->SetBinContent(3,0.1);
 169   for(Int_t i=4;i<=7;i++) fRawYield->SetBinContent(i,0.04);
 170   for(Int_t i=8;i<=12;i++) fRawYield->SetBinContent(i,0.07);
 171   for(Int_t i=13;i<=16;i++) fRawYield->SetBinContent(i,0.10);
 172   for(Int_t i=17;i<=24;i++) fRawYield->SetBinContent(i,1);
 173
 174   // Cuts efficiency (from cuts variation)
 175   fCutsEff = new TH1F("fCutsEff","fCutsEff",24,0,24);
 176   for(Int_t i=1;i<=24;i++) fCutsEff->SetBinContent(i,0.10); // 10%
 177
 178   // PID efficiency (from PID/noPID)
 179   fPIDEff = new TH1F("fPIDEff","fPIDEff",24,0,24);
 180   for(Int_t i=1;i<=24;i++) fPIDEff->SetBinContent(i,0.03); // 3%
 181   fPIDEff->SetBinContent(2,0.05); // 5%
 182
 183   // MC dN/dpt
 184   fMCPtShape = new TH1F("fMCPtShape","fMCPtShape",24,0,24);
 185   for(Int_t i=1;i<=24;i++) fMCPtShape->SetBinContent(i,0);
 186   fMCPtShape->SetBinContent(1,0.03);
 187   fMCPtShape->SetBinContent(2,0.03);
 188
 189   // particle-antiparticle
 190   //  fPartAntipart = new TH1F("fPartAntipart","fPartAntipart",24,0,24);
 191   //  fPartAntipart->SetBinContent(1,1);
 192   //  for(Int_t i=2;i<=24;i++) fPartAntipart->SetBinContent(i,0.05);
 193
 194   return;
 195 }
 196 //--------------------------------------------------------------------------
 197 void AliHFSystErr::InitD0toKpi2010PbPb020() {
 198   //
 199   // D0->Kpi syst errors. Responsible: A. Rossi
 200   //   2010 PbPb sample, 0-20 CC
 201   //
 202
 203   // Normalization
 204   fNorm = new TH1F("fNorm","fNorm",20,0,20);
 205   for(Int_t i=1;i<=20;i++) fNorm->SetBinContent(i,0.10); // 10% error on sigmaV0and
 206
 207   // Branching ratio
 208   fBR = new TH1F("fBR","fBR",20,0,20);
 209   for(Int_t i=1;i<=20;i++) fBR->SetBinContent(i,0.012); // 1.2% PDG2010
 210
 211   // Tracking efficiency
 212   fTrackingEff = new TH1F("fTrackingEff","fTrackingEff",20,0,20);
 213   for(Int_t i=1;i<=20;i++) fTrackingEff->SetBinContent(i,0.08);//0.05+0.005*(Float_t)i);
 214
 215   // Raw yield extraction
 216   fRawYield = new TH1F("fRawYield","fRawYield",20,0,20);
 217   fRawYield->SetBinContent(1,0);
 218   fRawYield->SetBinContent(2,0);
 219   fRawYield->SetBinContent(3,0.08);
 220   for(Int_t i=4;i<=12;i++) fRawYield->SetBinContent(i,0.06);
 221   for(Int_t i=13;i<=16;i++) fRawYield->SetBinContent(i,0.10);
 222
 223   // Cuts efficiency (from cuts variation)
 224   fCutsEff = new TH1F("fCutsEff","fCutsEff",20,0,20);
 225   fCutsEff->SetBinContent(1,0.);
 226   fCutsEff->SetBinContent(2,0.);
 227   for(Int_t i=3;i<=16;i++) fCutsEff->SetBinContent(i,0.10);
 228   for(Int_t i=17;i<=20;i++) fCutsEff->SetBinContent(i,0.);
 229
 230   // PID efficiency (from PID/noPID)
 231   fPIDEff = new TH1F("fPIDEff","fPIDEff",20,0,20);
 232   for(Int_t i=3;i<=16;i++) fPIDEff->SetBinContent(i,0.05);
 233
 234   // MC dN/dpt
 235   fMCPtShape = new TH1F("fMCPtShape","fMCPtShape",20,0,20);
 236   for(Int_t i=1;i<=20;i++) fMCPtShape->SetBinContent(i,0);
 237   fMCPtShape->SetBinContent(1,0.03);
 238   fMCPtShape->SetBinContent(2,0.03);
 239
 240 //   // particle-antiparticle
 241 //   fPartAntipart = new TH1F("fPartAntipart","fPartAntipart",20,0,20);
 242 //   for(Int_t i=3;i<=12;i++) fPartAntipart->SetBinContent(i,0.05);
 243 //   fPartAntipart->SetBinContent(3,0.10);
 244 //   fPartAntipart->SetBinContent(4,0.10);
 245 //   fPartAntipart->SetBinContent(7,0.10);
 246 //   fPartAntipart->SetBinContent(8,0.10);
 247
 248   return;
 249 }
 250 //--------------------------------------------------------------------------
 251 void AliHFSystErr::InitD0toKpi2010PbPb4080() {
 252   //
 253   // D0->Kpi syst errors. Responsible: A. Rossi
 254   //   2010 PbPb sample, 40-80 CC
 255   //
 256
 257   // Normalization
 258   fNorm = new TH1F("fNorm","fNorm",20,0,20);
 259   for(Int_t i=1;i<=20;i++) fNorm->SetBinContent(i,0.10); // 10% error on sigmaV0and
 260
 261   // Branching ratio
 262   fBR = new TH1F("fBR","fBR",20,0,20);
 263   for(Int_t i=1;i<=20;i++) fBR->SetBinContent(i,0.012); // 1.2% PDG2010
 264
 265   // Tracking efficiency
 266   fTrackingEff = new TH1F("fTrackingEff","fTrackingEff",20,0,20);
 267   for(Int_t i=1;i<=20;i++) fTrackingEff->SetBinContent(i,0.08);//0.5*(0.05+0.005*(Float_t)i));
 268
 269
 270   // Raw yield extraction
 271   fRawYield = new TH1F("fRawYield","fRawYield",20,0,20);
 272   fRawYield->SetBinContent(1,0);
 273   fRawYield->SetBinContent(2,0);
 274   for(Int_t i=3;i<=16;i++) fRawYield->SetBinContent(i,0.05);
 275   //for(Int_t i=13;i<=20;i++) fRawYield->SetBinContent(i,0);
 276
 277   // Cuts efficiency (from cuts variation)
 278   fCutsEff = new TH1F("fCutsEff","fCutsEff",20,0,20);
 279   fCutsEff->SetBinContent(1,0.);
 280   fCutsEff->SetBinContent(2,0.);
 281   for(Int_t i=3;i<=16;i++) fCutsEff->SetBinContent(i,0.10);
 282   for(Int_t i=17;i<=20;i++) fCutsEff->SetBinContent(i,0.);
 283
 284   // PID efficiency (from PID/noPID)
 285   fPIDEff = new TH1F("fPIDEff","fPIDEff",20,0,20);
 286 //   for(Int_t i=3;i<=6;i++) fPIDEff->SetBinContent(i,0.10);
 287 //   for(Int_t i=7;i<=16;i++) fPIDEff->SetBinContent(i,0.05);
 288   for(Int_t i=3;i<=16;i++) fPIDEff->SetBinContent(i,0.05);
 289
 290   // MC dN/dpt
 291   fMCPtShape = new TH1F("fMCPtShape","fMCPtShape",20,0,20);
 292   for(Int_t i=1;i<=20;i++) fMCPtShape->SetBinContent(i,0);
 293   fMCPtShape->SetBinContent(1,0.03);
 294   fMCPtShape->SetBinContent(2,0.03);
 295
 296 //   // particle-antiparticle
 297 //   fPartAntipart = new TH1F("fPartAntipart","fPartAntipart",20,0,20);
 298 //   for(Int_t i=3;i<=12;i++) fPartAntipart->SetBinContent(i,0.05);
 299
 300   return;
 301 }
 302
 303 //--------------------------------------------------------------------------
 304 void AliHFSystErr::InitD0toKpi2010ppLowEn() {
 305   //
 306   // D0->Kpi syst errors. Low energy run
 307   //   2011 2.76 TeV pp sample
 308   //
 309   AliInfo(" Settings for D0 --> K pi, p-p collisions at 2.76 TeV");
 310
 311   // Normalization
 312   fNorm = new TH1F("fNorm","fNorm",20,0,20);
 313   for(Int_t i=1;i<=20;i++) fNorm->SetBinContent(i,0.031); // 4% error on sigmaV0and
 314
 315   // Branching ratio
 316   fBR = new TH1F("fBR","fBR",20,0,20);
 317   for(Int_t i=1;i<=20;i++) fBR->SetBinContent(i,0.012); // 1.2% PDG2010
 318
 319   // Tracking efficiency
 320   fTrackingEff = new TH1F("fTrackingEff","fTrackingEff",20,0,20);
 321   for(Int_t i=1;i<=20;i++) fTrackingEff->SetBinContent(i,0.12); //10% (5% per track)
 322
 323   // Raw yield extraction
 324   fRawYield = new TH1F("fRawYield","fRawYield",20,0,20);
 325   fRawYield->SetBinContent(1,1);
 326   for(Int_t i=1;i<=20;i++) fRawYield->SetBinContent(i,0.15);
 327
 328   // Cuts efficiency (from cuts variation)
 329   fCutsEff = new TH1F("fCutsEff","fCutsEff",20,0,20);
 330   for(Int_t i=1;i<=20;i++) fCutsEff->SetBinContent(i,0.10); // 10%
 331   fCutsEff->SetBinContent(2,0.20);
 332   for(Int_t i=7;i<=20;i++) fCutsEff->SetBinContent(i,0.15); // 10%
 333
 334
 335   // PID efficiency (from PID/noPID)
 336   fPIDEff = new TH1F("fPIDEff","fPIDEff",20,0,20);
 337   for(Int_t i=1;i<=20;i++) fPIDEff->SetBinContent(i,0.15); // 10%
 338   //  fPIDEff->SetBinContent(2,0.20);
 339   for(Int_t i=7;i<=20;i++) fPIDEff->SetBinContent(i,0.05); // 10%
 340
 341   // MC dN/dpt
 342   fMCPtShape = new TH1F("fMCPtShape","fMCPtShape",20,0,20);
 343   for(Int_t i=1;i<=20;i++) fMCPtShape->SetBinContent(i,0);
 344 //   fMCPtShape->SetBinContent(1,0.03);
 345 //   fMCPtShape->SetBinContent(2,0.03);
 346
 347 //   // particle-antiparticle
 348 //   fPartAntipart = new TH1F("fPartAntipart","fPartAntipart",20,0,20);
 349 //   fPartAntipart->SetBinContent(1,1);
 350 //   fPartAntipart->SetBinContent(2,1);
 351 //   for(Int_t i=3;i<=6;i++) fPartAntipart->SetBinContent(i,0.08);
 352 //   for(Int_t i=1;i<=20;i++) fPartAntipart->SetBinContent(i,0.);
 353
 354   return;
 355 }
 356
 357 //--------------------------------------------------------------------------
 358 void AliHFSystErr::InitDplustoKpipi2010pp() {
 359   //
 360   // D+->Kpipi syst errors. Responsible: R. Bala
 361   //  2010 pp sample
 362   //
 363
 364
 365 // Normalization
 366   fNorm = new TH1F("fNorm","fNorm",24,0,24);
 367   for(Int_t i=1;i<=24;i++) fNorm->SetBinContent(i,0.04); // 4% error on sigmaV0and
 368
 369   // Branching ratio
 370   fBR = new TH1F("fBR","fBR",24,0,24);
 371   for(Int_t i=1;i<=24;i++) fBR->SetBinContent(i,0.04); // 4% PDG2010
 372
 373   // Tracking efficiency
 374   fTrackingEff = new TH1F("fTrackingEff","fTrackingEff",24,0,24);
 375   for(Int_t i=1;i<=24;i++) fTrackingEff->SetBinContent(i,0.12); // 12% (4% per track)
 376
 377
 378   // Raw yield extraction
 379   fRawYield = new TH1F("fRawYield","fRawYield",24,0,24);
 380   fRawYield->SetBinContent(1,1);
 381   fRawYield->SetBinContent(2,0.25);
 382   fRawYield->SetBinContent(3,0.25);
 383   fRawYield->SetBinContent(4,0.20);
 384   fRawYield->SetBinContent(5,0.09);
 385   fRawYield->SetBinContent(6,0.09);
 386   for(Int_t i=7;i<=12;i++) fRawYield->SetBinContent(i,0.05);
 387   for(Int_t i=12;i<=24;i++) fRawYield->SetBinContent(i,0.10);
 388
 389   // Cuts efficiency (from cuts variation)
 390   fCutsEff = new TH1F("fCutsEff","fCutsEff",24,0,24);
 391   for(Int_t i=1;i<=24;i++) fCutsEff->SetBinContent(i,0.10); // 10%
 392
 393   // PID efficiency (from PID/noPID)
 394   fPIDEff = new TH1F("fPIDEff","fPIDEff",24,0,24);
 395   for(Int_t i=1;i<=24;i++) fPIDEff->SetBinContent(i,0.05); // 5%
 396   fPIDEff->SetBinContent(1,0.15); // 15%
 397   fPIDEff->SetBinContent(2,0.15); // 15%
 398   fPIDEff->SetBinContent(3,0.15); // 15%
 399   fPIDEff->SetBinContent(4,0.15); // 15%
 400   for(Int_t i=12;i<=16;i++) fPIDEff->SetBinContent(i,0.10); // 5%
 401
 402   // MC dN/dpt
 403   fMCPtShape = new TH1F("fMCPtShape","fMCPtShape",24,0,24);
 404   for(Int_t i=1;i<=24;i++) fMCPtShape->SetBinContent(i,0);
 405   fMCPtShape->SetBinContent(1,0.03);
 406   fMCPtShape->SetBinContent(2,0.03);
 407
 408
 409   // particle-antiparticle
 410   /*
 411   fPartAntipart = new TH1F("fPartAntipart","fPartAntipart",20,0,20);
 412   fPartAntipart->SetBinContent(1,1);
 413   fPartAntipart->SetBinContent(2,1);
 414   fPartAntipart->SetBinContent(3,0.12);
 415   for(Int_t i=4;i<=20;i++) fPartAntipart->SetBinContent(i,0.05);   //5 to 12%
 416   */
 417   return;
 418 }
 419
 420 //--------------------------------------------------------------------------
 421 void AliHFSystErr::InitDstoKKpi2010pp() {
 422   //
 423   // D+s->KKpi syst errors. Responsible: G.M. Innocenti
 424   //  2010 pp sample
 425   //
 426
 427
 428 // Normalization
 429   fNorm = new TH1F("fNorm","fNorm",12,0,12);
 430   for(Int_t i=1;i<=12;i++) fNorm->SetBinContent(i,0.07); // 7% error on sigmaV0and
 431
 432   // Branching ratio
 433   fBR = new TH1F("fBR","fBR",12,0,12);
 434   for(Int_t i=1;i<=12;i++) fBR->SetBinContent(i,0.05); // 5% PDG2010
 435
 436   // Tracking efficiency
 437   fTrackingEff = new TH1F("fTrackingEff","fTrackingEff",12,0,12);
 438   for(Int_t i=1;i<=12;i++) fTrackingEff->SetBinContent(i,0.03); // 3% (1% per track)
 439
 440
 441   // Raw yield extraction
 442   fRawYield = new TH1F("fRawYield","fRawYield",12,0,12);
 443   fRawYield->SetBinContent(1,1);
 444   fRawYield->SetBinContent(2,1);
 445   fRawYield->SetBinContent(3,0.20);
 446   fRawYield->SetBinContent(4,0.20);
 447   fRawYield->SetBinContent(5,0.15);
 448   fRawYield->SetBinContent(6,0.15);
 449   fRawYield->SetBinContent(7,0.15);
 450   fRawYield->SetBinContent(8,0.15);
 451   fRawYield->SetBinContent(9,0.20);
 452   fRawYield->SetBinContent(10,0.20);
 453   fRawYield->SetBinContent(11,0.20);
 454   fRawYield->SetBinContent(12,0.20);
 455
 456   // Cuts efficiency (from cuts variation)
 457   fCutsEff = new TH1F("fCutsEff","fCutsEff",12,0,12);
 458   for(Int_t i=1;i<=12;i++) fCutsEff->SetBinContent(i,0.15); // 15%
 459
 460   // PID efficiency (from PID/noPID)
 461   fPIDEff = new TH1F("fPIDEff","fPIDEff",12,0,12);
 462   for(Int_t i=1;i<=12;i++) fPIDEff->SetBinContent(i,0.07); // 7%
 463
 464   // MC dN/dpt  (copied from D0 : will update later)
 465   //fMCPtShape = new TH1F("fMCPtShape","fMCPtShape",12,0,12);
 466   //for(Int_t i=1;i<=12;i++) fMCPtShape->SetBinContent(i,(Float_t)i*0.006);
 467
 468
 469   // particle-antiparticle
 470   /*
 471   fPartAntipart = new TH1F("fPartAntipart","fPartAntipart",12,0,12);
 472   fPartAntipart->SetBinContent(1,1);
 473   fPartAntipart->SetBinContent(2,1);
 474   fPartAntipart->SetBinContent(3,0.12);
 475   for(Int_t i=4;i<=12;i++) fPartAntipart->SetBinContent(i,0.05);   //5 to 12%
 476   */
 477   return;
 478 }
 479
 480
 481 //--------------------------------------------------------------------------
 482 void AliHFSystErr::InitDplustoKpipi2010PbPb020() {
 483   //
 484   // D+->Kpipi syst errors. Responsible: ??
 485   //  2010 PbPb sample, 0-20 CC
 486   //
 487
 488  // Normalization
 489   fNorm = new TH1F("fNorm","fNorm",20,0,20);
 490   for(Int_t i=1;i<=20;i++) fNorm->SetBinContent(i,0.10); // 10% error on sigmaV0and
 491
 492   // Branching ratio
 493   fBR = new TH1F("fBR","fBR",20,0,20);
 494   for(Int_t i=1;i<=20;i++) fBR->SetBinContent(i,0.04); // 4% PDG2010
 495
 496   // Tracking efficiency
 497   fTrackingEff = new TH1F("fTrackingEff","fTrackingEff",20,0,20);
 498   for(Int_t i=1;i<=20;i++) fTrackingEff->SetBinContent(i,0.12); // 12% (4% per track) //i,0.075+0.005*(Float_t)i);
 499
 500   // Raw yield extraction
 501   fRawYield = new TH1F("fRawYield","fRawYield",20,0,20);
 502   for(Int_t i=1;i<=20;i++) fRawYield->SetBinContent(i,.10);  //5 to 10%
 503   // fRawYield->SetBinContent(5,0.23);
 504   //fRawYield->SetBinContent(6,0.23);
 505   fRawYield->SetBinContent(7,0.20);
 506   fRawYield->SetBinContent(8,0.20);
 507   fRawYield->SetBinContent(9,0.15);
 508   fRawYield->SetBinContent(10,0.15);
 509   fRawYield->SetBinContent(11,0.15);
 510   fRawYield->SetBinContent(12,0.15);
 511
 512   // Cuts efficiency (from cuts variation)
 513   fCutsEff = new TH1F("fCutsEff","fCutsEff",20,0,20);
 514   for(Int_t i=1;i<=20;i++) fCutsEff->SetBinContent(i,0.15); // 10%
 515
 516   // PID efficiency (from PID/noPID)
 517   fPIDEff = new TH1F("fPIDEff","fPIDEff",20,0,20);
 518   for(Int_t i=1;i<=20;i++) fPIDEff->SetBinContent(i,0.05); // 5%
 519
 520   // MC dN/dpt  (copied from D0 : will update later)
 521   fMCPtShape = new TH1F("fMCPtShape","fMCPtShape",20,0,20);
 522   for(Int_t i=1;i<=20;i++) fMCPtShape->SetBinContent(i,0.);
 523   fMCPtShape->SetBinContent(1,0.03);
 524   fMCPtShape->SetBinContent(2,0.03);
 525
 526
 527   // particle-antiparticle
 528   /*
 529   fPartAntipart = new TH1F("fPartAntipart","fPartAntipart",20,0,20);
 530   fPartAntipart->SetBinContent(1,1);
 531   fPartAntipart->SetBinContent(2,1);
 532   fPartAntipart->SetBinContent(3,0.12);
 533   for(Int_t i=4;i<=20;i++) fPartAntipart->SetBinContent(i,0.05);   //5 to 12%
 534   */
 535
 536   return;
 537 }
 538
 539 //--------------------------------------------------------------------------
 540 void AliHFSystErr::InitDplustoKpipi2010PbPb4080() {
 541   //
 542   // D+->Kpipi syst errors. Responsible: ??
 543   //  2010 PbPb sample, 40-80 CC
 544   //
 545
 546
 547  // Normalization
 548   fNorm = new TH1F("fNorm","fNorm",20,0,20);
 549   for(Int_t i=1;i<=20;i++) fNorm->SetBinContent(i,0.10); // 10% error on sigmaV0and
 550
 551   // Branching ratio
 552   fBR = new TH1F("fBR","fBR",20,0,20);
 553   for(Int_t i=1;i<=20;i++) fBR->SetBinContent(i,0.04); // 4% PDG2010
 554
 555   // Tracking efficiency
 556   fTrackingEff = new TH1F("fTrackingEff","fTrackingEff",20,0,20);
 557   for(Int_t i=1;i<=20;i++) fTrackingEff->SetBinContent(i,0.12); // 12% (4% per track)
 558
 559
 560   // Raw yield extraction
 561   fRawYield = new TH1F("fRawYield","fRawYield",20,0,20);
 562   fRawYield->SetBinContent(1,1);
 563   fRawYield->SetBinContent(2,1);
 564   fRawYield->SetBinContent(3,1);
 565   fRawYield->SetBinContent(4,0.15);
 566   fRawYield->SetBinContent(5,0.05);
 567   fRawYield->SetBinContent(6,0.05);
 568   fRawYield->SetBinContent(7,0.15);
 569   fRawYield->SetBinContent(8,0.15);
 570   for(Int_t i=9;i<=12;i++) fRawYield->SetBinContent(i,0.15);
 571   for(Int_t i=13;i<=20;i++) fRawYield->SetBinContent(i,1);  //5 to 10%
 572
 573   // Cuts efficiency (from cuts variation)
 574   fCutsEff = new TH1F("fCutsEff","fCutsEff",20,0,20);
 575   for(Int_t i=1;i<=20;i++) fCutsEff->SetBinContent(i,0.10); // 10%
 576
 577   // PID efficiency (from PID/noPID)
 578   fPIDEff = new TH1F("fPIDEff","fPIDEff",20,0,20);
 579   for(Int_t i=1;i<=20;i++) fPIDEff->SetBinContent(i,0.05); // 5%
 580   fPIDEff->SetBinContent(3,0.13); // 13%
 581
 582
 583   // MC dN/dpt  (copied from D0 : will update later)
 584   fMCPtShape = new TH1F("fMCPtShape","fMCPtShape",20,0,20);
 585   for(Int_t i=1;i<=20;i++) fMCPtShape->SetBinContent(i,0);
 586   fMCPtShape->SetBinContent(1,0.03);
 587   fMCPtShape->SetBinContent(2,0.03);
 588
 589
 590   // particle-antiparticle
 591   /*
 592   fPartAntipart = new TH1F("fPartAntipart","fPartAntipart",20,0,20);
 593   fPartAntipart->SetBinContent(1,1);
 594   fPartAntipart->SetBinContent(2,1);
 595   fPartAntipart->SetBinContent(3,0.12);
 596   for(Int_t i=4;i<=20;i++) fPartAntipart->SetBinContent(i,0.05);   //5 to 12%
 597   */
 598   return;
 599 }
 600
 601 //--------------------------------------------------------------------------
 602 void AliHFSystErr::InitDplustoKpipi2010ppLowEn() {
 603
 604   //
 605   // D+->Kpipi syst errors. Responsible: R. Bala
 606   //  2011 2.76 TeV pp sample
 607   //
 608   AliInfo(" Settings for D+ --> K pi pi p-p collisions at 2.76 TeV");
 609
 610   // Normalization
 611   fNorm = new TH1F("fNorm","fNorm",20,0,20);
 612   for(Int_t i=1;i<=20;i++) fNorm->SetBinContent(i,0.031); // 10% error on sigmaV0and
 613
 614   // Branching ratio
 615   fBR = new TH1F("fBR","fBR",20,0,20);
 616   for(Int_t i=1;i<=20;i++) fBR->SetBinContent(i,0.021); // 4% PDG2010
 617
 618   // Tracking efficiency
 619   fTrackingEff = new TH1F("fTrackingEff","fTrackingEff",20,0,20);
 620   for(Int_t i=1;i<=20;i++) fTrackingEff->SetBinContent(i,0.18); // 3% (1% per track)
 621
 622   // Raw yield extraction
 623   fRawYield = new TH1F("fRawYield","fRawYield",20,0,20);
 624   fRawYield->SetBinContent(1,1);
 625   fRawYield->SetBinContent(2,1);
 626   for(Int_t i=3;i<=6;i++) fRawYield->SetBinContent(i,0.10);  //5 to 10%
 627   fRawYield->SetBinContent(7,0.15);
 628   fRawYield->SetBinContent(8,0.15);
 629   for(Int_t i=9;i<=20;i++) fRawYield->SetBinContent(i,0.055);  //5 to 10%
 630
 631   // Cuts efficiency (from cuts variation)
 632   fCutsEff = new TH1F("fCutsEff","fCutsEff",20,0,20);
 633   for(Int_t i=1;i<=20;i++) fCutsEff->SetBinContent(i,0.15); // 10%
 634
 635   // PID efficiency (from PID/noPID)
 636   fPIDEff = new TH1F("fPIDEff","fPIDEff",20,0,20);
 637   for(Int_t i=1;i<=20;i++) fPIDEff->SetBinContent(i,0.05); // 5%
 638   fPIDEff->SetBinContent(3,0.10); // 13%
 639   fPIDEff->SetBinContent(4,0.10); // 13%
 640
 641   // MC dN/dpt  (copied from D0 : will update later)
 642   fMCPtShape = new TH1F("fMCPtShape","fMCPtShape",20,0,20);
 643   for(Int_t i=1;i<=20;i++) fMCPtShape->SetBinContent(i,0.);
 644   fMCPtShape->SetBinContent(1,0.03);
 645   fMCPtShape->SetBinContent(2,0.03);
 646
 647   return;
 648 }
 649
 650 //--------------------------------------------------------------------------
 651 void AliHFSystErr::InitDstartoD0pi2010pp() {
 652   //
 653   // D*+->D0pi syst errors. Responsible: A. Grelli, Y. Wang
 654   //  2010 pp sample
 655   //
 656
 657  // Normalization
 658   fNorm = new TH1F("fNorm","fNorm",24,0,24);
 659   for(Int_t i=1;i<=24;i++) fNorm->SetBinContent(i,0.04); // 4% error on sigmaV0and
 660
 661   // Branching ratio
 662   fBR = new TH1F("fBR","fBR",24,0,24);
 663   for(Int_t i=1;i<=24;i++) fBR->SetBinContent(i,0.015); // 1.5% PDG2010
 664
 665   // Tracking efficiency
 666   fTrackingEff = new TH1F("fTrackingEff","fTrackingEff",24,0,24);
 667   fTrackingEff->SetBinContent(1,1.0);
 668   fTrackingEff->SetBinContent(2,0.13); // 10% (ITSsa) \oplus 8% (4% per ITSTPC track)
 669   fTrackingEff->SetBinContent(3,0.12);
 670   fTrackingEff->SetBinContent(3,0.12);
 671   for(Int_t i=4;i<=24;i++) fTrackingEff->SetBinContent(i,0.12); // 12% (4% per track)
 672
 673
 674   // Raw yield extraction
 675   fRawYield = new TH1F("fRawYield","fRawYield",24,0,24);
 676   fRawYield->SetBinContent(1,1.0);
 677   fRawYield->SetBinContent(2,0.10);
 678   fRawYield->SetBinContent(3,0.04);
 679   fRawYield->SetBinContent(4,0.03);
 680   fRawYield->SetBinContent(5,0.03);
 681   fRawYield->SetBinContent(6,0.05);
 682   fRawYield->SetBinContent(7,0.05);
 683   fRawYield->SetBinContent(8,0.05);
 684   for(Int_t i=9;i<=12;i++) fRawYield->SetBinContent(i,0.04);  //4%
 685   for(Int_t i=13;i<=16;i++) fRawYield->SetBinContent(i,0.09);  //4%
 686   for(Int_t i=17;i<=24;i++) fRawYield->SetBinContent(i,0.2);  //4%
 687
 688   // Cuts efficiency (from cuts variation)
 689   fCutsEff = new TH1F("fCutsEff","fCutsEff",24,0,24);
 690   fCutsEff->SetBinContent(2,0.22);
 691   for(Int_t i=3;i<=24;i++) fCutsEff->SetBinContent(i,0.10); // 10%
 692
 693   // PID efficiency (from PID/noPID)
 694   fPIDEff = new TH1F("fPIDEff","fPIDEff",24,0,24);
 695   for(Int_t i=1;i<=24;i++) fPIDEff->SetBinContent(i,0.04); // 3%
 696
 697
 698   // MC dN/dpt  (copied from D0 : will update later)
 699   fMCPtShape = new TH1F("fMCPtShape","fMCPtShape",24,0,24);
 700   for(Int_t i=1;i<=24;i++) fMCPtShape->SetBinContent(i,0);
 701   fMCPtShape->SetBinContent(1,0.03);
 702   fMCPtShape->SetBinContent(2,0.03);
 703
 704   return;
 705
 706
 707 }
 708 //--------------------------------------------------------------------------
 709 void AliHFSystErr::InitDstartoD0pi2010ppLowEn() {
 710
 711   //
 712   // D+->Kpipi syst errors. Responsible: A. Grelli
 713   //  2011 2.76 TeV pp sample
 714   //
 715   AliInfo(" Settings for D*+ --> D0 pi p-p collisions at 2.76 TeV");
 716
 717 // Normalization
 718   fNorm = new TH1F("fNorm","fNorm",20,0,20);
 719   for(Int_t i=1;i<=20;i++) fNorm->SetBinContent(i,0.031); // 10% error on sigmaV0and
 720
 721   // Branching ratio
 722   fBR = new TH1F("fBR","fBR",20,0,20);
 723   for(Int_t i=1;i<=20;i++) fBR->SetBinContent(i,0.015); // 1.5% PDG2010
 724
 725   // Tracking efficiency
 726   fTrackingEff = new TH1F("fTrackingEff","fTrackingEff",20,0,20);
 727   for(Int_t i=1;i<=20;i++) fTrackingEff->SetBinContent(i,0.18); //10% (to be checked!!)
 728
 729   // Raw yield extraction
 730   fRawYield = new TH1F("fRawYield","fRawYield",20,0,20);
 731   fRawYield->SetBinContent(1,1);
 732   fRawYield->SetBinContent(2,1);
 733   fRawYield->SetBinContent(3,0.14);
 734   fRawYield->SetBinContent(4,0.14);
 735   fRawYield->SetBinContent(5,0.12);
 736   fRawYield->SetBinContent(6,0.12);
 737   fRawYield->SetBinContent(7,0.06);
 738   fRawYield->SetBinContent(8,0.06);
 739   fRawYield->SetBinContent(9,0.08);
 740   fRawYield->SetBinContent(10,0.08);
 741   fRawYield->SetBinContent(11,0.08);
 742   fRawYield->SetBinContent(12,0.08);
 743   for(Int_t i=9;i<=20;i++) fRawYield->SetBinContent(i,0.065);
 744
 745   // Cuts efficiency (from cuts variation)
 746   fCutsEff = new TH1F("fCutsEff","fCutsEff",20,0,20);
 747   for(Int_t i=1;i<=20;i++) fCutsEff->SetBinContent(i,0.10);
 748   fCutsEff->SetBinContent(3,0.15);
 749   fCutsEff->SetBinContent(4,0.15);
 750   fCutsEff->SetBinContent(5,0.15);
 751   fCutsEff->SetBinContent(6,0.15);
 752   fCutsEff->SetBinContent(7,0.10);
 753   fCutsEff->SetBinContent(8,0.10);
 754   fCutsEff->SetBinContent(9,0.10);
 755   fCutsEff->SetBinContent(10,0.10);
 756   fCutsEff->SetBinContent(11,0.10);
 757   fCutsEff->SetBinContent(12,0.10);
 758
 759   // PID efficiency (from PID/noPID)
 760   fPIDEff = new TH1F("fPIDEff","fPIDEff",20,0,20);
 761   for(Int_t i=1;i<=20;i++) fPIDEff->SetBinContent(i,0.05); // 10%
 762
 763   // MC dN/dpt
 764   fMCPtShape = new TH1F("fMCPtShape","fMCPtShape",20,0,20);
 765   for(Int_t i=1;i<=20;i++) fMCPtShape->SetBinContent(i,0.);
 766   fMCPtShape->SetBinContent(1,0.03);
 767   fMCPtShape->SetBinContent(2,0.03);
 768
 769   return;
 770 }
 771
 772 //------------------------------------------------------------------------
 773 void AliHFSystErr::InitDstartoD0pi2010PbPb020() {
 774   //
 775   // D*+->D0pi syst errors. Responsible: A. Grelli
 776   //  2010 PbPb sample, 0-20 CC
 777   //
 778
 779   AliInfo(" Settings for D*+ --> D0pi Pb-Pb collisions at 2.76 TeV - 0-20 centrality - DUMMY");
 780
 781  // Normalization
 782   fNorm = new TH1F("fNorm","fNorm",24,0,24);
 783   for(Int_t i=1;i<=24;i++) fNorm->SetBinContent(i,0.10); // 10% error on sigmaV0and
 784
 785   // Branching ratio
 786   fBR = new TH1F("fBR","fBR",24,0,24);
 787   for(Int_t i=1;i<=24;i++) fBR->SetBinContent(i,0.015); // 1.5% PDG2010
 788
 789   // Tracking efficiency
 790   fTrackingEff = new TH1F("fTrackingEff","fTrackingEff",24,0,24);;
 791   for(Int_t i=1;i<=24;i++) fTrackingEff->SetBinContent(i,0.12); // 12% (4% per track)i,0.075+0.005*(Float_t)i);
 792
 793
 794   // Raw yield extraction
 795   fRawYield = new TH1F("fRawYield","fRawYield",24,0,24);
 796   for(Int_t i=1;i<=24;i++) fRawYield->SetBinContent(i,0.1);  //4%
 797   fRawYield->SetBinContent(3,0.2);
 798   fRawYield->SetBinContent(4,0.2);
 799   fRawYield->SetBinContent(5,0.2);
 800   fRawYield->SetBinContent(6,0.2);
 801
 802   // Cuts efficiency (from cuts variation)
 803   fCutsEff = new TH1F("fCutsEff","fCutsEff",24,0,24);
 804   for(Int_t i=1;i<=24;i++) fCutsEff->SetBinContent(i,0.10); // 10%
 805
 806   // PID efficiency (from PID/noPID)
 807   fPIDEff = new TH1F("fPIDEff","fPIDEff",24,0,24);
 808   for(Int_t i=1;i<=24;i++) fPIDEff->SetBinContent(i,0.05); // 3%
 809
 810
 811   // MC dN/dpt  (copied from D0 : will update later)
 812   fMCPtShape = new TH1F("fMCPtShape","fMCPtShape",24,0,24);
 813   for(Int_t i=1;i<=24;i++) fMCPtShape->SetBinContent(i,0.);
 814   fMCPtShape->SetBinContent(1,0.03);
 815   fMCPtShape->SetBinContent(2,0.03);
 816
 817   return;
 818
 819 }
 820
 821 //-------------------------------------------------------------------------
 822 void AliHFSystErr::InitDstartoD0pi2010PbPb2040() {
 823   //
 824   // D*+->D0pi syst errors. Responsible: A. Grelli
 825   //  2010 PbPb sample, 20-40 CC
 826   //
 827
 828   AliInfo(" Settings for D*+ --> D0pi Pb-Pb collisions at 2.76 TeV - 20-40 centrality - DUMMY");
 829
 830  // Normalization
 831   fNorm = new TH1F("fNorm","fNorm",24,0,24);
 832   for(Int_t i=1;i<=24;i++) fNorm->SetBinContent(i,0.10); // 10% error on sigmaV0and
 833
 834   // Branching ratio
 835   fBR = new TH1F("fBR","fBR",24,0,24);
 836   for(Int_t i=1;i<=24;i++) fBR->SetBinContent(i,0.015); // 1.5% PDG2010
 837
 838   // Tracking efficiency
 839   fTrackingEff = new TH1F("fTrackingEff","fTrackingEff",24,0,24);;
 840   for(Int_t i=1;i<=24;i++) fTrackingEff->SetBinContent(i,0.12); // 3% (1% per track)
 841
 842
 843   // Raw yield extraction
 844   fRawYield = new TH1F("fRawYield","fRawYield",24,0,24);
 845   for(Int_t i=1;i<=24;i++) fRawYield->SetBinContent(i,0.15);  //4%
 846
 847   // Cuts efficiency (from cuts variation)
 848   fCutsEff = new TH1F("fCutsEff","fCutsEff",24,0,24);
 849   for(Int_t i=1;i<=24;i++) fCutsEff->SetBinContent(i,0.10); // 10%
 850
 851   // PID efficiency (from PID/noPID)
 852   fPIDEff = new TH1F("fPIDEff","fPIDEff",24,0,24);
 853   for(Int_t i=1;i<=24;i++) fPIDEff->SetBinContent(i,0.04); // 3%
 854
 855
 856   // MC dN/dpt  (copied from D0 : will update later)
 857   fMCPtShape = new TH1F("fMCPtShape","fMCPtShape",24,0,24);
 858   for(Int_t i=1;i<=24;i++) fMCPtShape->SetBinContent(i,0.);
 859   fMCPtShape->SetBinContent(1,0.03);
 860   fMCPtShape->SetBinContent(2,0.03);
 861
 862   return;
 863
 864 }
 865
 866 //--------------------------------------------------------------------------
 867 void AliHFSystErr::InitDstartoD0pi2010PbPb4080() {
 868   //
 869   // D*+->D0pi syst errors. Responsible: A. Grelli
 870   //  2010 PbPb sample, 40-80 CC
 871   //
 872
 873   AliInfo(" Settings for D*+ --> D0pi Pb-Pb collisions at 2.76 TeV - 40-80 centrality - DUMMY");
 874
 875  // Normalization
 876   fNorm = new TH1F("fNorm","fNorm",24,0,24);
 877   for(Int_t i=1;i<=24;i++) fNorm->SetBinContent(i,0.10); // 10% error on sigmaV0and
 878
 879   // Branching ratio
 880   fBR = new TH1F("fBR","fBR",24,0,24);
 881   for(Int_t i=1;i<=24;i++) fBR->SetBinContent(i,0.015); // 1.5% PDG2010
 882
 883   // Tracking efficiency
 884   fTrackingEff = new TH1F("fTrackingEff","fTrackingEff",24,0,24);;
 885   for(Int_t i=1;i<=24;i++) fTrackingEff->SetBinContent(i,0.12);//0.5*(0.075+0.005*(Float_t)i));
 886
 887
 888   // Raw yield extraction
 889   fRawYield = new TH1F("fRawYield","fRawYield",24,0,24);
 890   for(Int_t i=1;i<=24;i++) fRawYield->SetBinContent(i,0.2);  //4%
 891   fRawYield->SetBinContent(1,1);
 892   fRawYield->SetBinContent(2,0.15);
 893   fRawYield->SetBinContent(3,0.15);
 894   fRawYield->SetBinContent(4,0.15);
 895   fRawYield->SetBinContent(5,0.15);
 896   fRawYield->SetBinContent(6,0.10);
 897   fRawYield->SetBinContent(7,0.10);
 898   fRawYield->SetBinContent(8,0.10);
 899   fRawYield->SetBinContent(9,0.11);
 900   fRawYield->SetBinContent(10,0.11);
 901   fRawYield->SetBinContent(11,0.11);
 902   fRawYield->SetBinContent(12,0.11);
 903   fRawYield->SetBinContent(13,0.08);
 904   fRawYield->SetBinContent(14,0.08);
 905   fRawYield->SetBinContent(15,0.08);
 906   fRawYield->SetBinContent(16,0.08);
 907
 908
 909   // Cuts efficiency (from cuts variation)
 910   fCutsEff = new TH1F("fCutsEff","fCutsEff",24,0,24);
 911   for(Int_t i=1;i<=24;i++) fCutsEff->SetBinContent(i,0.10); // 10%
 912
 913   // PID efficiency (from PID/noPID)
 914   fPIDEff = new TH1F("fPIDEff","fPIDEff",24,0,24);
 915   for(Int_t i=1;i<=24;i++) fPIDEff->SetBinContent(i,0.05); // 3%
 916
 917
 918   // MC dN/dpt  (copied from D0 : will update later)
 919   fMCPtShape = new TH1F("fMCPtShape","fMCPtShape",24,0,24);
 920   for(Int_t i=1;i<=24;i++) fMCPtShape->SetBinContent(i,0.);
 921   fMCPtShape->SetBinContent(1,0.03);
 922   fMCPtShape->SetBinContent(2,0.03);
 923
 924   return;
 925
 926 }
 927
 928 //--------------------------------------------------------------------------
 929 Double_t AliHFSystErr::GetCutsEffErr(Double_t pt) const {
 930   //
 931   // Get error
 932   //
 933
 934   Int_t bin=fCutsEff->FindBin(pt);
 935
 936   return fCutsEff->GetBinContent(bin);
 937 }
 938 //--------------------------------------------------------------------------
 939 Double_t AliHFSystErr::GetMCPtShapeErr(Double_t pt) const {
 940   //
 941   // Get error
 942   //
 943
 944   Int_t bin=fMCPtShape->FindBin(pt);
 945
 946   return fMCPtShape->GetBinContent(bin);
 947 }
 948 //--------------------------------------------------------------------------
 949 Double_t AliHFSystErr::GetSeleEffErr(Double_t pt) const {
 950   //
 951   // Get error
 952   //
 953
 954   Double_t err=GetCutsEffErr(pt)*GetCutsEffErr(pt)+GetMCPtShapeErr(pt)*GetMCPtShapeErr(pt);
 955
 956   return TMath::Sqrt(err);
 957 }
 958 //--------------------------------------------------------------------------
 959 Double_t AliHFSystErr::GetPIDEffErr(Double_t pt) const {
 960   //
 961   // Get error
 962   //
 963
 964   Int_t bin=fPIDEff->FindBin(pt);
 965
 966   return fPIDEff->GetBinContent(bin);
 967 }
 968 //--------------------------------------------------------------------------
 969 Double_t AliHFSystErr::GetTrackingEffErr(Double_t pt) const {
 970   //
 971   // Get error
 972   //
 973
 974   Int_t bin=fTrackingEff->FindBin(pt);
 975
 976   return fTrackingEff->GetBinContent(bin);
 977 }
 978 //--------------------------------------------------------------------------
 979 Double_t AliHFSystErr::GetRawYieldErr(Double_t pt) const {
 980   //
 981   // Get error
 982   //
 983
 984   Int_t bin=fRawYield->FindBin(pt);
 985
 986   return fRawYield->GetBinContent(bin);
 987 }
 988 //--------------------------------------------------------------------------
 989 Double_t AliHFSystErr::GetPartAntipartErr(Double_t pt) const {
 990   //
 991   // Get error
 992   //
 993
 994   Int_t bin=fPartAntipart->FindBin(pt);
 995
 996   return fPartAntipart->GetBinContent(bin);
 997 }
 998 //--------------------------------------------------------------------------
 999 Double_t AliHFSystErr::GetTotalSystErr(Double_t pt,Double_t feeddownErr) const {
1000   //
1001   // Get total syst error (except norm. error)
1002   //
1003
1004   Double_t err=0.;
1005
1006   if(fRawYield) err += GetRawYieldErr(pt)*GetRawYieldErr(pt);
1007   if(fTrackingEff) err += GetTrackingEffErr(pt)*GetTrackingEffErr(pt);
1008   //  if(fBR) err += GetBRErr()*GetBRErr();
1009   if(fCutsEff) err += GetCutsEffErr(pt)*GetCutsEffErr(pt);
1010   if(fPIDEff) err += GetPIDEffErr(pt)*GetPIDEffErr(pt);
1011   if(fMCPtShape) err += GetMCPtShapeErr(pt)*GetMCPtShapeErr(pt);
1012   if(fPartAntipart) err += GetPartAntipartErr(pt)*GetPartAntipartErr(pt);
1013
1014   err += feeddownErr*feeddownErr;
1015
1016   return TMath::Sqrt(err);
1017 }
1018 //---------------------------------------------------------------------------
1019 void AliHFSystErr::DrawErrors(TGraphAsymmErrors *grErrFeeddown) const {
1020   //
1021   // Draw errors
1022   //
1023   gStyle->SetOptStat(0);
1024
1025   TCanvas *cSystErr = new TCanvas("cSystErr","Systematic Errors",300,80,640,500);
1026   cSystErr->Range(0.20,-0.5,18.4,0.34);
1027   cSystErr->SetRightMargin(0.318);
1028   cSystErr->SetFillColor(0);
1029
1030   TH2F *hFrame = new TH2F("hFrame","Systematic errors; p_{t} [GeV/c]; Relative Error",20,0,20,100,-1,+1);
1031   hFrame->SetAxisRange(1.,15.9,"X");
1032   hFrame->SetAxisRange(-0.5,0.5,"Y");
1033   hFrame->Draw();
1034
1035   TLegend *leg = new TLegend(0.69,0.44,0.98,0.86,NULL,"brNDC");
1036   leg->SetTextSize(0.03601695);
1037   leg->SetFillStyle(0);
1038   leg->SetBorderSize(0);
1039
1040   TH1F *hTotErr=new TH1F("hTotErr","",24,0,24);
1041   Int_t nbins = fNorm->GetNbinsX();
1042   TGraphAsymmErrors *gTotErr = new TGraphAsymmErrors(nbins);
1043   for(Int_t i=1;i<=24;i++) {
1044     Double_t pt = hTotErr->GetBinCenter(i);
1045     Double_t ptwidth = hTotErr->GetBinWidth(i);
1046
1047     if(grErrFeeddown) {
1048       Double_t x=0., y=0., errxl=0., errxh=0., erryl=0., erryh=0.;
1049       Double_t toterryl=0., toterryh=0.;
1050       for(Int_t j=0; j<grErrFeeddown->GetN(); j++) {
1051         grErrFeeddown->GetPoint(j,x,y);
1052         errxh = grErrFeeddown->GetErrorXhigh(j);
1053         errxl = grErrFeeddown->GetErrorXlow(j);
1054         if ( ( (x-errxl) <= pt) && ( (x+errxl) >= pt) ) {
1055           erryh = grErrFeeddown->GetErrorYhigh(j);
1056           erryl = grErrFeeddown->GetErrorYlow(j);
1057         }
1058       }
1059       if (erryl>=1e-3) toterryl = GetTotalSystErr(pt,erryl);
1060       else toterryl = GetTotalSystErr(pt);
1061       if (erryh>=1e-3) toterryh = GetTotalSystErr(pt,erryh);
1062       else toterryh = GetTotalSystErr(pt);
1063
1064       hTotErr->SetBinContent(i,toterryh);
1065       gTotErr->SetPoint(i,pt,0.);
1066       gTotErr->SetPointError(i,ptwidth/2.,ptwidth/2.,toterryl,toterryh); // i, exl, exh, eyl, eyh
1067     }
1068     else {
1069       hTotErr->SetBinContent(i,GetTotalSystErr(pt));
1070       gTotErr->SetPoint(i,pt,0.);
1071       gTotErr->SetPointError(i,ptwidth/2.,ptwidth/2.,GetTotalSystErr(pt),GetTotalSystErr(pt)); // i, exl, exh, eyl, eyh
1072     }
1073
1074   }
1075   gTotErr->SetLineColor(kBlack);
1076   gTotErr->SetFillColor(kRed);
1077   gTotErr->SetFillStyle(3002);
1078   gTotErr->Draw("2");
1079   leg->AddEntry(gTotErr,"Total (excl. norm.)","f");
1080 //   hTotErr->SetLineColor(1);
1081 //   hTotErr->SetLineWidth(3);
1082 //   hTotErr->Draw("same");
1083 //   leg->AddEntry(hTotErr,"Total (excl. norm.)","l");
1084
1085
1086   fNorm->SetFillColor(1);
1087   fNorm->SetFillStyle(3002);
1088   //fNorm->Draw("same");
1089   //TH1F *hNormRefl = ReflectHisto(fNorm);
1090   //hNormRefl->Draw("same");
1091   leg->AddEntry(fNorm,"Normalization (10%)","");
1092
1093   if(grErrFeeddown) {
1094     grErrFeeddown->SetFillColor(kTeal-8);
1095     grErrFeeddown->SetFillStyle(3001);
1096     grErrFeeddown->Draw("2");
1097     leg->AddEntry(grErrFeeddown,"Feed-down from B","f");
1098   }
1099   if(fTrackingEff) {
1100     fTrackingEff->SetFillColor(4);
1101     fTrackingEff->SetFillStyle(3006);
1102     fTrackingEff->Draw("same");
1103     TH1F *hTrackingEffRefl = ReflectHisto(fTrackingEff);
1104     hTrackingEffRefl->Draw("same");
1105     leg->AddEntry(fTrackingEff,"Tracking efficiency","f");
1106   }
1107   if(fBR) {
1108     fBR->SetFillColor(6);
1109     fBR->SetFillStyle(3005);
1110     //fBR->SetFillStyle(3020);
1111     fBR->Draw("same");
1112     TH1F *hBRRefl = ReflectHisto(fBR);
1113     hBRRefl->Draw("same");
1114     leg->AddEntry(fBR,"Branching ratio","f");
1115   }
1116   if(fRawYield) {
1117     Int_t ci;   // for color index setting
1118     ci = TColor::GetColor("#00cc00");
1119     fRawYield->SetLineColor(ci);
1120     //    fRawYield->SetLineColor(3);
1121     fRawYield->SetLineWidth(3);
1122     fRawYield->Draw("same");
1123     TH1F *hRawYieldRefl = ReflectHisto(fRawYield);
1124     hRawYieldRefl->Draw("same");
1125     leg->AddEntry(fRawYield,"Yield extraction","l");
1126   }
1127   if(fCutsEff) {
1128     fCutsEff->SetLineColor(4);
1129     fCutsEff->SetLineWidth(3);
1130     fCutsEff->Draw("same");
1131     TH1F *hCutsEffRefl = ReflectHisto(fCutsEff);
1132     hCutsEffRefl->Draw("same");
1133     leg->AddEntry(fCutsEff,"Cuts efficiency","l");
1134   }
1135   if(fPIDEff) {
1136     fPIDEff->SetLineColor(7);
1137     fPIDEff->SetLineWidth(3);
1138     fPIDEff->Draw("same");
1139     TH1F *hPIDEffRefl = ReflectHisto(fPIDEff);
1140     hPIDEffRefl->Draw("same");
1141     leg->AddEntry(fPIDEff,"PID efficiency","l");
1142   }
1143   if(fMCPtShape) {
1144     Int_t ci = TColor::GetColor("#9933ff");
1145     fMCPtShape->SetLineColor(ci);
1146     //    fMCPtShape->SetLineColor(8);
1147     fMCPtShape->SetLineWidth(3);
1148     fMCPtShape->Draw("same");
1149     TH1F *hMCPtShapeRefl = ReflectHisto(fMCPtShape);
1150     hMCPtShapeRefl->Draw("same");
1151     leg->AddEntry(fMCPtShape,"MC p_{t} shape","l");
1152   }
1153   if(fPartAntipart) {
1154     Int_t ci = TColor::GetColor("#ff6600");
1155     fPartAntipart->SetLineColor(ci);
1156     //    fPartAntipart->SetLineColor(9);
1157     fPartAntipart->SetLineWidth(3);
1158     fPartAntipart->Draw("same");
1159     TH1F *hPartAntipartRefl = ReflectHisto(fPartAntipart);
1160     hPartAntipartRefl->Draw("same");
1161     leg->AddEntry(fPartAntipart,"D = #bar{D}","l");
1162   }
1163
1164
1165   leg->Draw();
1166
1167   cSystErr->SaveAs("RelativeSystematics.eps");
1168
1169   return;
1170 }
1171 //-------------------------------------------------------------------------
1172 TH1F* AliHFSystErr::ReflectHisto(TH1F *hin) const {
1173   //
1174   // Clones and reflects histogram
1175   //
1176   TH1F *hout=(TH1F*)hin->Clone("hout");
1177   hout->Scale(-1.);
1178
1179   return hout;
1180 }