1 /**************************************************************************
2 * Copyright(c) 1998-2010, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
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 **************************************************************************/
18 /////////////////////////////////////////////////////////////
20 // Class to handle systematic errors for charm hadrons
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
31 // Author: A.Dainese, andrea.dainese@pd.infn.it
32 /////////////////////////////////////////////////////////////
35 #include <TGraphAsymmErrors.h>
43 #include "AliHFSystErr.h"
46 ClassImp(AliHFSystErr)
48 //--------------------------------------------------------------------------
49 AliHFSystErr::AliHFSystErr(const Char_t* name, const Char_t* title) :
61 fCentralityClass("0100"),
65 // Default Constructor
69 //--------------------------------------------------------------------------
70 AliHFSystErr::~AliHFSystErr() {
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; }
87 //--------------------------------------------------------------------------
88 void AliHFSystErr::Init(Int_t decay){
90 // Variables/histos initialization
93 if (fRunNumber!=10 && fIsLowEnergy==false) {
94 AliError("Only settings for 2010 and the low energy runs are implemented so far");
96 if (fCentralityClass!="020" && fCentralityClass!="4080" && fCentralityClass!="0100"){
97 AliError("Only settings for MB2010 are implemented so far");
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");
110 // else if (fCollisionType==2) InitD0toKpi2010ppLowEn();
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");
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");
134 printf("Invalid decay type: %d\n",decay);
140 //--------------------------------------------------------------------------
141 void AliHFSystErr::InitD0toKpi2010pp() {
143 // D0->Kpi syst errors. Responsible: A. Rossi
148 fNorm = new TH1F("fNorm","fNorm",24,0,24);
149 for(Int_t i=1;i<=24;i++) fNorm->SetBinContent(i,0.10); // 10% error on sigmaV0and
152 fBR = new TH1F("fBR","fBR",24,0,24);
153 for(Int_t i=1;i<=24;i++) fBR->SetBinContent(i,0.012); // 1.2% PDG2010
155 // Tracking efficiency
156 fTrackingEff = new TH1F("fTrackingEff","fTrackingEff",24,0,24);
157 for(Int_t i=1;i<=24;i++) fTrackingEff->SetBinContent(i,0.02); // 2% (1% per track)
159 // Raw yield extraction
160 fRawYield = new TH1F("fRawYield","fRawYield",24,0,24);
161 fRawYield->SetBinContent(1,1);
162 fRawYield->SetBinContent(2,0.2);
163 for(Int_t i=3;i<=16;i++) fRawYield->SetBinContent(i,0.05);
164 for(Int_t i=13;i<=16;i++) fRawYield->SetBinContent(i,0.10);
165 for(Int_t i=17;i<=24;i++) fRawYield->SetBinContent(i,1);
167 // Cuts efficiency (from cuts variation)
168 fCutsEff = new TH1F("fCutsEff","fCutsEff",24,0,24);
169 for(Int_t i=1;i<=24;i++) fCutsEff->SetBinContent(i,0.10); // 10%
171 // PID efficiency (from PID/noPID)
172 fPIDEff = new TH1F("fPIDEff","fPIDEff",24,0,24);
173 for(Int_t i=1;i<=24;i++) fPIDEff->SetBinContent(i,0.03); // 3%
174 fPIDEff->SetBinContent(2,0.05); // 5%
177 fMCPtShape = new TH1F("fMCPtShape","fMCPtShape",24,0,24);
178 for(Int_t i=1;i<=24;i++) fMCPtShape->SetBinContent(i,0);
179 fMCPtShape->SetBinContent(1,0.03);
180 fMCPtShape->SetBinContent(2,0.03);
182 // particle-antiparticle
183 // fPartAntipart = new TH1F("fPartAntipart","fPartAntipart",24,0,24);
184 // fPartAntipart->SetBinContent(1,1);
185 // for(Int_t i=2;i<=24;i++) fPartAntipart->SetBinContent(i,0.05);
189 //--------------------------------------------------------------------------
190 void AliHFSystErr::InitD0toKpi2010PbPb020() {
192 // D0->Kpi syst errors. Responsible: A. Rossi
193 // 2010 PbPb sample, 0-20 CC
197 fNorm = new TH1F("fNorm","fNorm",20,0,20);
198 for(Int_t i=1;i<=20;i++) fNorm->SetBinContent(i,0.10); // 10% error on sigmaV0and
201 fBR = new TH1F("fBR","fBR",20,0,20);
202 for(Int_t i=1;i<=20;i++) fBR->SetBinContent(i,0.012); // 1.2% PDG2010
204 // Tracking efficiency
205 fTrackingEff = new TH1F("fTrackingEff","fTrackingEff",20,0,20);
206 for(Int_t i=2;i<=12;i++) fTrackingEff->SetBinContent(i,0.05+0.005*(Float_t)i);
209 // Raw yield extraction
210 fRawYield = new TH1F("fRawYield","fRawYield",20,0,20);
211 fRawYield->SetBinContent(1,0);
212 fRawYield->SetBinContent(2,0);
213 fRawYield->SetBinContent(3,0.05);
214 fRawYield->SetBinContent(4,0.05);
215 fRawYield->SetBinContent(5,0.10);
216 fRawYield->SetBinContent(6,0.10);
217 for(Int_t i=7;i<=12;i++) fRawYield->SetBinContent(i,0.05);
218 // for(Int_t i=13;i<=20;i++) fRawYield->SetBinContent(i,0);
220 // Cuts efficiency (from cuts variation)
221 fCutsEff = new TH1F("fCutsEff","fCutsEff",20,0,20);
222 fCutsEff->SetBinContent(1,0.);
223 fCutsEff->SetBinContent(2,0.);
224 fCutsEff->SetBinContent(3,0.18);
225 fCutsEff->SetBinContent(4,0.18);
226 fCutsEff->SetBinContent(5,0.18);
227 fCutsEff->SetBinContent(6,0.15);
228 fCutsEff->SetBinContent(7,0.15);
229 fCutsEff->SetBinContent(8,0.15);
230 fCutsEff->SetBinContent(9,0.15);
231 fCutsEff->SetBinContent(10,0.15);
232 fCutsEff->SetBinContent(11,0.15);
233 fCutsEff->SetBinContent(12,0.15);
234 // for(Int_t i=13;i<=20;i++) fCutsEff->SetBinContent(i,0.);
236 // PID efficiency (from PID/noPID)
237 fPIDEff = new TH1F("fPIDEff","fPIDEff",20,0,20);
238 for(Int_t i=3;i<=12;i++) fPIDEff->SetBinContent(i,0.05);
239 fPIDEff->SetBinContent(5,0.10);
240 fPIDEff->SetBinContent(6,0.10);
243 fMCPtShape = new TH1F("fMCPtShape","fMCPtShape",20,0,20);
244 for(Int_t i=1;i<=20;i++) fMCPtShape->SetBinContent(i,0);
245 fMCPtShape->SetBinContent(1,0.03);
246 fMCPtShape->SetBinContent(2,0.03);
249 // particle-antiparticle
250 fPartAntipart = new TH1F("fPartAntipart","fPartAntipart",20,0,20);
251 for(Int_t i=3;i<=12;i++) fPartAntipart->SetBinContent(i,0.05);
252 fPartAntipart->SetBinContent(3,0.10);
253 fPartAntipart->SetBinContent(4,0.10);
254 fPartAntipart->SetBinContent(7,0.10);
255 fPartAntipart->SetBinContent(8,0.10);
259 //--------------------------------------------------------------------------
260 void AliHFSystErr::InitD0toKpi2010PbPb4080() {
262 // D0->Kpi syst errors. Responsible: A. Rossi
263 // 2010 PbPb sample, 40-80 CC
267 fNorm = new TH1F("fNorm","fNorm",20,0,20);
268 for(Int_t i=1;i<=20;i++) fNorm->SetBinContent(i,0.10); // 10% error on sigmaV0and
271 fBR = new TH1F("fBR","fBR",20,0,20);
272 for(Int_t i=1;i<=20;i++) fBR->SetBinContent(i,0.012); // 1.2% PDG2010
274 // Tracking efficiency
275 fTrackingEff = new TH1F("fTrackingEff","fTrackingEff",20,0,20);
276 for(Int_t i=2;i<=12;i++) fTrackingEff->SetBinContent(i,0.5*(0.05+0.005*(Float_t)i));
279 // Raw yield extraction
280 fRawYield = new TH1F("fRawYield","fRawYield",20,0,20);
281 fRawYield->SetBinContent(1,0);
282 fRawYield->SetBinContent(2,0);
283 for(Int_t i=3;i<=12;i++) fRawYield->SetBinContent(i,0.05);
284 //for(Int_t i=13;i<=20;i++) fRawYield->SetBinContent(i,0);
286 // Cuts efficiency (from cuts variation)
287 fCutsEff = new TH1F("fCutsEff","fCutsEff",20,0,20);
288 fCutsEff->SetBinContent(1,0.);
289 fCutsEff->SetBinContent(2,0.);
290 fCutsEff->SetBinContent(3,0.15);
291 fCutsEff->SetBinContent(4,0.15);
292 fCutsEff->SetBinContent(5,0.15);
293 fCutsEff->SetBinContent(6,0.15);
294 fCutsEff->SetBinContent(7,0.15);
295 fCutsEff->SetBinContent(8,0.15);
296 fCutsEff->SetBinContent(9,0.15);
297 fCutsEff->SetBinContent(10,0.15);
298 fCutsEff->SetBinContent(11,0.15);
299 fCutsEff->SetBinContent(12,0.15);
300 // for(Int_t i=13;i<=20;i++) fCutsEff->SetBinContent(i,0.);
302 // PID efficiency (from PID/noPID)
303 fPIDEff = new TH1F("fPIDEff","fPIDEff",20,0,20);
304 for(Int_t i=3;i<=12;i++) fPIDEff->SetBinContent(i,0.05);
307 fMCPtShape = new TH1F("fMCPtShape","fMCPtShape",20,0,20);
308 for(Int_t i=1;i<=20;i++) fMCPtShape->SetBinContent(i,0);
309 fMCPtShape->SetBinContent(1,0.03);
310 fMCPtShape->SetBinContent(2,0.03);
312 // particle-antiparticle
313 fPartAntipart = new TH1F("fPartAntipart","fPartAntipart",20,0,20);
314 for(Int_t i=3;i<=12;i++) fPartAntipart->SetBinContent(i,0.05);
319 //--------------------------------------------------------------------------
320 void AliHFSystErr::InitD0toKpi2010ppLowEn() {
322 // D0->Kpi syst errors. Low energy run
323 // 2011 2.76 TeV pp sample
325 AliInfo(" Settings for D0 --> K pi, p-p collisions at 2.76 TeV");
328 fNorm = new TH1F("fNorm","fNorm",20,0,20);
329 for(Int_t i=1;i<=20;i++) fNorm->SetBinContent(i,0.10); // 10% error on sigmaV0and
332 fBR = new TH1F("fBR","fBR",20,0,20);
333 for(Int_t i=1;i<=20;i++) fBR->SetBinContent(i,0.012); // 1.2% PDG2010
335 // Tracking efficiency
336 fTrackingEff = new TH1F("fTrackingEff","fTrackingEff",20,0,20);
337 for(Int_t i=1;i<=20;i++) fTrackingEff->SetBinContent(i,0.10); //10% (5% per track)
339 // Raw yield extraction
340 fRawYield = new TH1F("fRawYield","fRawYield",20,0,20);
341 fRawYield->SetBinContent(1,1);
342 fRawYield->SetBinContent(2,1);
343 fRawYield->SetBinContent(3,0.2);
344 fRawYield->SetBinContent(4,0.2);
345 fRawYield->SetBinContent(5,0.1);
346 fRawYield->SetBinContent(6,0.1);
347 fRawYield->SetBinContent(7,0.2);
348 fRawYield->SetBinContent(8,0.2);
349 for(Int_t i=9;i<=20;i++) fRawYield->SetBinContent(i,0.065);
351 // Cuts efficiency (from cuts variation)
352 fCutsEff = new TH1F("fCutsEff","fCutsEff",20,0,20);
353 for(Int_t i=1;i<=20;i++) fCutsEff->SetBinContent(i,0.18); // 10%
355 // PID efficiency (from PID/noPID)
356 fPIDEff = new TH1F("fPIDEff","fPIDEff",20,0,20);
357 for(Int_t i=1;i<=20;i++) fPIDEff->SetBinContent(i,0.20); // 10%
358 fPIDEff->SetBinContent(3,0.25); // 10%
359 fPIDEff->SetBinContent(4,0.25); // 10%
360 fPIDEff->SetBinContent(7,0.25); // 10%
361 fPIDEff->SetBinContent(8,0.25); // 10%
364 fMCPtShape = new TH1F("fMCPtShape","fMCPtShape",20,0,20);
365 for(Int_t i=1;i<=20;i++) fMCPtShape->SetBinContent(i,0);
366 fMCPtShape->SetBinContent(1,0.03);
367 fMCPtShape->SetBinContent(2,0.03);
369 // particle-antiparticle
370 fPartAntipart = new TH1F("fPartAntipart","fPartAntipart",20,0,20);
371 fPartAntipart->SetBinContent(1,1);
372 fPartAntipart->SetBinContent(2,1);
373 for(Int_t i=3;i<=6;i++) fPartAntipart->SetBinContent(i,0.08);
378 //--------------------------------------------------------------------------
379 void AliHFSystErr::InitDplustoKpipi2010pp() {
381 // D+->Kpipi syst errors. Responsible: R. Bala
387 fNorm = new TH1F("fNorm","fNorm",24,0,24);
388 for(Int_t i=1;i<=24;i++) fNorm->SetBinContent(i,0.07); // 10% error on sigmaV0and
391 fBR = new TH1F("fBR","fBR",24,0,24);
392 for(Int_t i=1;i<=24;i++) fBR->SetBinContent(i,0.04); // 4% PDG2010
394 // Tracking efficiency
395 fTrackingEff = new TH1F("fTrackingEff","fTrackingEff",24,0,24);
396 for(Int_t i=1;i<=24;i++) fTrackingEff->SetBinContent(i,0.03); // 3% (1% per track)
399 // Raw yield extraction
400 fRawYield = new TH1F("fRawYield","fRawYield",24,0,24);
401 fRawYield->SetBinContent(1,0.25);
402 fRawYield->SetBinContent(2,0.25);
403 fRawYield->SetBinContent(3,0.25);
404 fRawYield->SetBinContent(4,0.25);
405 fRawYield->SetBinContent(5,0.09);
406 fRawYield->SetBinContent(6,0.09);
407 for(Int_t i=7;i<=12;i++) fRawYield->SetBinContent(i,0.05); //5 to 10%
408 for(Int_t i=12;i<=24;i++) fRawYield->SetBinContent(i,0.10); // 15%
410 // Cuts efficiency (from cuts variation)
411 fCutsEff = new TH1F("fCutsEff","fCutsEff",24,0,24);
412 for(Int_t i=1;i<=24;i++) fCutsEff->SetBinContent(i,0.10); // 10%
414 // PID efficiency (from PID/noPID)
415 fPIDEff = new TH1F("fPIDEff","fPIDEff",24,0,24);
416 for(Int_t i=1;i<=24;i++) fPIDEff->SetBinContent(i,0.05); // 5%
417 fPIDEff->SetBinContent(1,0.15); // 15%
418 fPIDEff->SetBinContent(2,0.15); // 15%
419 fPIDEff->SetBinContent(3,0.15); // 15%
420 fPIDEff->SetBinContent(4,0.15); // 15%
421 for(Int_t i=12;i<=16;i++) fPIDEff->SetBinContent(i,0.10); // 5%
424 fMCPtShape = new TH1F("fMCPtShape","fMCPtShape",24,0,24);
425 for(Int_t i=1;i<=24;i++) fMCPtShape->SetBinContent(i,0);
426 fMCPtShape->SetBinContent(1,0.03);
427 fMCPtShape->SetBinContent(2,0.03);
430 // particle-antiparticle
432 fPartAntipart = new TH1F("fPartAntipart","fPartAntipart",20,0,20);
433 fPartAntipart->SetBinContent(1,1);
434 fPartAntipart->SetBinContent(2,1);
435 fPartAntipart->SetBinContent(3,0.12);
436 for(Int_t i=4;i<=20;i++) fPartAntipart->SetBinContent(i,0.05); //5 to 12%
441 //--------------------------------------------------------------------------
442 void AliHFSystErr::InitDplustoKpipi2010PbPb020() {
444 // D+->Kpipi syst errors. Responsible: ??
445 // 2010 PbPb sample, 0-20 CC
449 fNorm = new TH1F("fNorm","fNorm",20,0,20);
450 for(Int_t i=1;i<=20;i++) fNorm->SetBinContent(i,0.10); // 10% error on sigmaV0and
453 fBR = new TH1F("fBR","fBR",20,0,20);
454 for(Int_t i=1;i<=20;i++) fBR->SetBinContent(i,0.04); // 4% PDG2010
456 // Tracking efficiency
457 fTrackingEff = new TH1F("fTrackingEff","fTrackingEff",20,0,20);
458 for(Int_t i=1;i<=20;i++) fTrackingEff->SetBinContent(i,i,0.075+0.005*(Float_t)i);
461 // Raw yield extraction
462 fRawYield = new TH1F("fRawYield","fRawYield",20,0,20);
463 for(Int_t i=1;i<=20;i++) fRawYield->SetBinContent(i,1); //5 to 10%
464 // for(Int_t i=6;i<=7;i++) fRawYield->SetBinContent(i,0.32);
465 // for(Int_t i=7;i<=9;i++) fRawYield->SetBinContent(i,0.32);
466 // for(Int_t i=9;i<=12;i++) fRawYield->SetBinContent(i,0.05);//31./156.);
467 fRawYield->SetBinContent(6,0.12);
468 fRawYield->SetBinContent(7,0.17);
469 fRawYield->SetBinContent(8,0.17);
470 fRawYield->SetBinContent(9,0.08);
471 fRawYield->SetBinContent(10,0.08);
472 fRawYield->SetBinContent(11,0.08);
473 fRawYield->SetBinContent(12,0.08);
475 // Cuts efficiency (from cuts variation)
476 fCutsEff = new TH1F("fCutsEff","fCutsEff",20,0,20);
477 for(Int_t i=1;i<=20;i++) fCutsEff->SetBinContent(i,0.15); // 10%
479 // PID efficiency (from PID/noPID)
480 fPIDEff = new TH1F("fPIDEff","fPIDEff",20,0,20);
481 for(Int_t i=1;i<=20;i++) fPIDEff->SetBinContent(i,0.05); // 5%
482 fPIDEff->SetBinContent(3,0.13); // 13%
485 // MC dN/dpt (copied from D0 : will update later)
486 fMCPtShape = new TH1F("fMCPtShape","fMCPtShape",20,0,20);
487 for(Int_t i=1;i<=20;i++) fMCPtShape->SetBinContent(i,0.);
488 fMCPtShape->SetBinContent(1,0.03);
489 fMCPtShape->SetBinContent(2,0.03);
492 // particle-antiparticle
494 fPartAntipart = new TH1F("fPartAntipart","fPartAntipart",20,0,20);
495 fPartAntipart->SetBinContent(1,1);
496 fPartAntipart->SetBinContent(2,1);
497 fPartAntipart->SetBinContent(3,0.12);
498 for(Int_t i=4;i<=20;i++) fPartAntipart->SetBinContent(i,0.05); //5 to 12%
503 //--------------------------------------------------------------------------
504 void AliHFSystErr::InitDplustoKpipi2010PbPb4080() {
506 // D+->Kpipi syst errors. Responsible: ??
507 // 2010 PbPb sample, 40-80 CC
512 fNorm = new TH1F("fNorm","fNorm",20,0,20);
513 for(Int_t i=1;i<=20;i++) fNorm->SetBinContent(i,0.10); // 10% error on sigmaV0and
516 fBR = new TH1F("fBR","fBR",20,0,20);
517 for(Int_t i=1;i<=20;i++) fBR->SetBinContent(i,0.04); // 4% PDG2010
519 // Tracking efficiency
520 fTrackingEff = new TH1F("fTrackingEff","fTrackingEff",20,0,20);
521 for(Int_t i=1;i<=20;i++) fTrackingEff->SetBinContent(i,0.03); // 3% (1% per track)
524 // Raw yield extraction
525 fRawYield = new TH1F("fRawYield","fRawYield",20,0,20);
526 fRawYield->SetBinContent(1,1);
527 fRawYield->SetBinContent(2,1);
528 fRawYield->SetBinContent(3,1);
529 fRawYield->SetBinContent(4,1.);
530 fRawYield->SetBinContent(5,4./23.);
531 fRawYield->SetBinContent(6,4./23.);
532 fRawYield->SetBinContent(7,5./20.);
533 fRawYield->SetBinContent(8,5./20.);
534 for(Int_t i=9;i<=12;i++) fRawYield->SetBinContent(i,1./16.);
535 for(Int_t i=13;i<=20;i++) fRawYield->SetBinContent(i,1); //5 to 10%
537 // Cuts efficiency (from cuts variation)
538 fCutsEff = new TH1F("fCutsEff","fCutsEff",20,0,20);
539 for(Int_t i=1;i<=20;i++) fCutsEff->SetBinContent(i,0.10); // 10%
541 // PID efficiency (from PID/noPID)
542 fPIDEff = new TH1F("fPIDEff","fPIDEff",20,0,20);
543 for(Int_t i=1;i<=20;i++) fPIDEff->SetBinContent(i,0.05); // 5%
544 fPIDEff->SetBinContent(3,0.13); // 13%
547 // MC dN/dpt (copied from D0 : will update later)
548 fMCPtShape = new TH1F("fMCPtShape","fMCPtShape",20,0,20);
549 for(Int_t i=1;i<=20;i++) fMCPtShape->SetBinContent(i,0);
550 fMCPtShape->SetBinContent(1,0.03);
551 fMCPtShape->SetBinContent(2,0.03);
554 // particle-antiparticle
556 fPartAntipart = new TH1F("fPartAntipart","fPartAntipart",20,0,20);
557 fPartAntipart->SetBinContent(1,1);
558 fPartAntipart->SetBinContent(2,1);
559 fPartAntipart->SetBinContent(3,0.12);
560 for(Int_t i=4;i<=20;i++) fPartAntipart->SetBinContent(i,0.05); //5 to 12%
565 //--------------------------------------------------------------------------
566 void AliHFSystErr::InitDplustoKpipi2010ppLowEn() {
569 // D+->Kpipi syst errors. Responsible: R. Bala
570 // 2011 2.76 TeV pp sample
572 AliInfo(" Settings for D+ --> K pi pi p-p collisions at 2.76 TeV");
575 fNorm = new TH1F("fNorm","fNorm",20,0,20);
576 for(Int_t i=1;i<=20;i++) fNorm->SetBinContent(i,0.10); // 10% error on sigmaV0and
579 fBR = new TH1F("fBR","fBR",20,0,20);
580 for(Int_t i=1;i<=20;i++) fBR->SetBinContent(i,0.04); // 4% PDG2010
582 // Tracking efficiency
583 fTrackingEff = new TH1F("fTrackingEff","fTrackingEff",20,0,20);
584 for(Int_t i=1;i<=20;i++) fTrackingEff->SetBinContent(i,0.15); // 3% (1% per track)
586 // Raw yield extraction
587 fRawYield = new TH1F("fRawYield","fRawYield",20,0,20);
588 fRawYield->SetBinContent(1,1);
589 fRawYield->SetBinContent(2,1);
590 fRawYield->SetBinContent(3,0.20);
591 fRawYield->SetBinContent(4,0.20);
592 for(Int_t i=5;i<=20;i++) fRawYield->SetBinContent(i,0.055); //5 to 10%
594 // Cuts efficiency (from cuts variation)
595 fCutsEff = new TH1F("fCutsEff","fCutsEff",20,0,20);
596 for(Int_t i=1;i<=20;i++) fCutsEff->SetBinContent(i,0.10); // 10%
598 // PID efficiency (from PID/noPID)
599 fPIDEff = new TH1F("fPIDEff","fPIDEff",20,0,20);
600 for(Int_t i=1;i<=20;i++) fPIDEff->SetBinContent(i,0.05); // 5%
601 fPIDEff->SetBinContent(3,0.15); // 13%
602 fPIDEff->SetBinContent(4,0.15); // 13%
604 // MC dN/dpt (copied from D0 : will update later)
605 fMCPtShape = new TH1F("fMCPtShape","fMCPtShape",20,0,20);
606 for(Int_t i=1;i<=20;i++) fMCPtShape->SetBinContent(i,0.);
607 fMCPtShape->SetBinContent(1,0.03);
608 fMCPtShape->SetBinContent(2,0.03);
613 //--------------------------------------------------------------------------
614 void AliHFSystErr::InitDstartoD0pi2010pp() {
616 // D*+->D0pi syst errors. Responsible: A. Grelli, Y. Wang
621 fNorm = new TH1F("fNorm","fNorm",24,0,24);
622 for(Int_t i=1;i<=24;i++) fNorm->SetBinContent(i,0.10); // 10% error on sigmaV0and
625 fBR = new TH1F("fBR","fBR",24,0,24);
626 for(Int_t i=1;i<=24;i++) fBR->SetBinContent(i,0.015); // 1.5% PDG2010
628 // Tracking efficiency
629 fTrackingEff = new TH1F("fTrackingEff","fTrackingEff",24,0,24);
630 fTrackingEff->SetBinContent(1,1.0);
631 fTrackingEff->SetBinContent(2,0.12);
632 fTrackingEff->SetBinContent(3,0.08);
633 fTrackingEff->SetBinContent(3,0.05);
634 for(Int_t i=4;i<=24;i++) fTrackingEff->SetBinContent(i,0.03); // 3% (1% per track)
637 // Raw yield extraction
638 fRawYield = new TH1F("fRawYield","fRawYield",24,0,24);
639 fRawYield->SetBinContent(1,1.0);
640 fRawYield->SetBinContent(2,0.09);
641 fRawYield->SetBinContent(3,0.04);
642 fRawYield->SetBinContent(4,0.02);
643 fRawYield->SetBinContent(5,0.03);
644 fRawYield->SetBinContent(6,0.06);
645 fRawYield->SetBinContent(7,0.04);
646 fRawYield->SetBinContent(8,0.11);
647 for(Int_t i=5;i<=24;i++) fRawYield->SetBinContent(i,0.03); //4%
648 fRawYield->SetBinContent(13,0.09);
649 fRawYield->SetBinContent(14,0.09);
650 fRawYield->SetBinContent(15,0.09);
651 fRawYield->SetBinContent(16,0.09);
652 fRawYield->SetBinContent(17,0.24);
653 fRawYield->SetBinContent(18,0.24);
654 fRawYield->SetBinContent(19,0.24);
655 fRawYield->SetBinContent(20,0.24);
656 fRawYield->SetBinContent(21,0.24);
657 fRawYield->SetBinContent(22,0.24);
658 fRawYield->SetBinContent(23,0.24);
659 fRawYield->SetBinContent(24,0.24);
661 // Cuts efficiency (from cuts variation)
662 fCutsEff = new TH1F("fCutsEff","fCutsEff",24,0,24);
663 fCutsEff->SetBinContent(2,0.22);
664 for(Int_t i=3;i<=24;i++) fCutsEff->SetBinContent(i,0.10); // 10%
666 // PID efficiency (from PID/noPID)
667 fPIDEff = new TH1F("fPIDEff","fPIDEff",24,0,24);
668 for(Int_t i=1;i<=24;i++) fPIDEff->SetBinContent(i,0.04); // 3%
671 // MC dN/dpt (copied from D0 : will update later)
672 fMCPtShape = new TH1F("fMCPtShape","fMCPtShape",24,0,24);
673 for(Int_t i=1;i<=24;i++) fMCPtShape->SetBinContent(i,0);
674 fMCPtShape->SetBinContent(1,0.03);
675 fMCPtShape->SetBinContent(2,0.03);
681 //--------------------------------------------------------------------------
682 void AliHFSystErr::InitDstartoD0pi2010ppLowEn() {
685 // D+->Kpipi syst errors. Responsible: A. Grelli
686 // 2011 2.76 TeV pp sample
688 AliInfo(" Settings for D*+ --> D0 pi p-p collisions at 2.76 TeV");
691 fNorm = new TH1F("fNorm","fNorm",20,0,20);
692 for(Int_t i=1;i<=20;i++) fNorm->SetBinContent(i,0.10); // 10% error on sigmaV0and
695 fBR = new TH1F("fBR","fBR",20,0,20);
696 for(Int_t i=1;i<=20;i++) fBR->SetBinContent(i,0.015); // 1.5% PDG2010
698 // Tracking efficiency
699 fTrackingEff = new TH1F("fTrackingEff","fTrackingEff",20,0,20);
700 for(Int_t i=1;i<=20;i++) fTrackingEff->SetBinContent(i,0.15); //10% (to be checked!!)
702 // Raw yield extraction
703 fRawYield = new TH1F("fRawYield","fRawYield",20,0,20);
704 fRawYield->SetBinContent(1,1);
705 fRawYield->SetBinContent(2,1);
706 fRawYield->SetBinContent(3,0.2);
707 fRawYield->SetBinContent(4,0.2);
708 fRawYield->SetBinContent(5,0.08);
709 fRawYield->SetBinContent(6,0.08);
710 fRawYield->SetBinContent(7,0.1);
711 fRawYield->SetBinContent(8,0.1);
712 fRawYield->SetBinContent(9,0.2);
713 fRawYield->SetBinContent(10,0.2);
714 for(Int_t i=9;i<=20;i++) fRawYield->SetBinContent(i,0.065);
716 // Cuts efficiency (from cuts variation)
717 fCutsEff = new TH1F("fCutsEff","fCutsEff",20,0,20);
718 for(Int_t i=1;i<=20;i++) fCutsEff->SetBinContent(i,0.18);
719 fCutsEff->SetBinContent(3,0.2);
720 fCutsEff->SetBinContent(4,0.2);
721 fCutsEff->SetBinContent(5,0.1);
722 fCutsEff->SetBinContent(6,0.1);
723 fCutsEff->SetBinContent(7,0.12);
724 fCutsEff->SetBinContent(8,0.12);
725 fCutsEff->SetBinContent(9,0.2);
726 fCutsEff->SetBinContent(10,0.2);
727 fCutsEff->SetBinContent(11,0.2);
728 fCutsEff->SetBinContent(12,0.2);
730 // PID efficiency (from PID/noPID)
731 fPIDEff = new TH1F("fPIDEff","fPIDEff",20,0,20);
732 for(Int_t i=1;i<=20;i++) fPIDEff->SetBinContent(i,0.05); // 10%
735 fMCPtShape = new TH1F("fMCPtShape","fMCPtShape",20,0,20);
736 for(Int_t i=1;i<=20;i++) fMCPtShape->SetBinContent(i,0.);
737 fMCPtShape->SetBinContent(1,0.03);
738 fMCPtShape->SetBinContent(2,0.03);
743 //------------------------------------------------------------------------
744 void AliHFSystErr::InitDstartoD0pi2010PbPb020() {
746 // D*+->D0pi syst errors. Responsible: A. Grelli
747 // 2010 PbPb sample, 0-20 CC
750 AliInfo(" Settings for D*+ --> D0pi Pb-Pb collisions at 2.76 TeV - 0-20 centrality - DUMMY");
753 fNorm = new TH1F("fNorm","fNorm",24,0,24);
754 for(Int_t i=1;i<=24;i++) fNorm->SetBinContent(i,0.10); // 10% error on sigmaV0and
757 fBR = new TH1F("fBR","fBR",24,0,24);
758 for(Int_t i=1;i<=24;i++) fBR->SetBinContent(i,0.015); // 1.5% PDG2010
760 // Tracking efficiency
761 fTrackingEff = new TH1F("fTrackingEff","fTrackingEff",24,0,24);;
762 for(Int_t i=1;i<=24;i++) fTrackingEff->SetBinContent(i,0.12); // 3% (1% per track)
765 // Raw yield extraction
766 fRawYield = new TH1F("fRawYield","fRawYield",24,0,24);
767 for(Int_t i=1;i<=24;i++) fRawYield->SetBinContent(i,0.15); //4%
769 // Cuts efficiency (from cuts variation)
770 fCutsEff = new TH1F("fCutsEff","fCutsEff",24,0,24);
771 for(Int_t i=1;i<=24;i++) fCutsEff->SetBinContent(i,0.10); // 10%
773 // PID efficiency (from PID/noPID)
774 fPIDEff = new TH1F("fPIDEff","fPIDEff",24,0,24);
775 for(Int_t i=1;i<=24;i++) fPIDEff->SetBinContent(i,0.04); // 3%
778 // MC dN/dpt (copied from D0 : will update later)
779 fMCPtShape = new TH1F("fMCPtShape","fMCPtShape",24,0,24);
780 for(Int_t i=1;i<=24;i++) fMCPtShape->SetBinContent(i,0.);
781 fMCPtShape->SetBinContent(1,0.03);
782 fMCPtShape->SetBinContent(2,0.03);
787 //-------------------------------------------------------------------------
788 void AliHFSystErr::InitDstartoD0pi2010PbPb2040() {
790 // D*+->D0pi syst errors. Responsible: A. Grelli
791 // 2010 PbPb sample, 20-40 CC
794 AliInfo(" Settings for D*+ --> D0pi Pb-Pb collisions at 2.76 TeV - 20-40 centrality - DUMMY");
797 fNorm = new TH1F("fNorm","fNorm",24,0,24);
798 for(Int_t i=1;i<=24;i++) fNorm->SetBinContent(i,0.10); // 10% error on sigmaV0and
801 fBR = new TH1F("fBR","fBR",24,0,24);
802 for(Int_t i=1;i<=24;i++) fBR->SetBinContent(i,0.015); // 1.5% PDG2010
804 // Tracking efficiency
805 fTrackingEff = new TH1F("fTrackingEff","fTrackingEff",24,0,24);;
806 for(Int_t i=1;i<=24;i++) fTrackingEff->SetBinContent(i,0.12); // 3% (1% per track)
809 // Raw yield extraction
810 fRawYield = new TH1F("fRawYield","fRawYield",24,0,24);
811 for(Int_t i=1;i<=24;i++) fRawYield->SetBinContent(i,0.15); //4%
813 // Cuts efficiency (from cuts variation)
814 fCutsEff = new TH1F("fCutsEff","fCutsEff",24,0,24);
815 for(Int_t i=1;i<=24;i++) fCutsEff->SetBinContent(i,0.10); // 10%
817 // PID efficiency (from PID/noPID)
818 fPIDEff = new TH1F("fPIDEff","fPIDEff",24,0,24);
819 for(Int_t i=1;i<=24;i++) fPIDEff->SetBinContent(i,0.04); // 3%
822 // MC dN/dpt (copied from D0 : will update later)
823 fMCPtShape = new TH1F("fMCPtShape","fMCPtShape",24,0,24);
824 for(Int_t i=1;i<=24;i++) fMCPtShape->SetBinContent(i,0.);
825 fMCPtShape->SetBinContent(1,0.03);
826 fMCPtShape->SetBinContent(2,0.03);
831 //--------------------------------------------------------------------------
832 void AliHFSystErr::InitDstartoD0pi2010PbPb4080() {
834 // D*+->D0pi syst errors. Responsible: A. Grelli
835 // 2010 PbPb sample, 40-80 CC
838 AliInfo(" Settings for D*+ --> D0pi Pb-Pb collisions at 2.76 TeV - 40-80 centrality - DUMMY");
841 fNorm = new TH1F("fNorm","fNorm",24,0,24);
842 for(Int_t i=1;i<=24;i++) fNorm->SetBinContent(i,0.10); // 10% error on sigmaV0and
845 fBR = new TH1F("fBR","fBR",24,0,24);
846 for(Int_t i=1;i<=24;i++) fBR->SetBinContent(i,0.015); // 1.5% PDG2010
848 // Tracking efficiency
849 fTrackingEff = new TH1F("fTrackingEff","fTrackingEff",24,0,24);;
850 for(Int_t i=1;i<=24;i++) fTrackingEff->SetBinContent(i,0.12); // 3% (1% per track)
853 // Raw yield extraction
854 fRawYield = new TH1F("fRawYield","fRawYield",24,0,24);
855 for(Int_t i=1;i<=24;i++) fRawYield->SetBinContent(i,0.15); //4%
857 // Cuts efficiency (from cuts variation)
858 fCutsEff = new TH1F("fCutsEff","fCutsEff",24,0,24);
859 for(Int_t i=1;i<=24;i++) fCutsEff->SetBinContent(i,0.10); // 10%
861 // PID efficiency (from PID/noPID)
862 fPIDEff = new TH1F("fPIDEff","fPIDEff",24,0,24);
863 for(Int_t i=1;i<=24;i++) fPIDEff->SetBinContent(i,0.04); // 3%
866 // MC dN/dpt (copied from D0 : will update later)
867 fMCPtShape = new TH1F("fMCPtShape","fMCPtShape",24,0,24);
868 for(Int_t i=1;i<=24;i++) fMCPtShape->SetBinContent(i,0.);
869 fMCPtShape->SetBinContent(1,0.03);
870 fMCPtShape->SetBinContent(2,0.03);
875 //--------------------------------------------------------------------------
876 Double_t AliHFSystErr::GetCutsEffErr(Double_t pt) const {
881 Int_t bin=fCutsEff->FindBin(pt);
883 return fCutsEff->GetBinContent(bin);
885 //--------------------------------------------------------------------------
886 Double_t AliHFSystErr::GetMCPtShapeErr(Double_t pt) const {
891 Int_t bin=fMCPtShape->FindBin(pt);
893 return fMCPtShape->GetBinContent(bin);
895 //--------------------------------------------------------------------------
896 Double_t AliHFSystErr::GetSeleEffErr(Double_t pt) const {
901 Double_t err=GetCutsEffErr(pt)*GetCutsEffErr(pt)+GetMCPtShapeErr(pt)*GetMCPtShapeErr(pt);
903 return TMath::Sqrt(err);
905 //--------------------------------------------------------------------------
906 Double_t AliHFSystErr::GetPIDEffErr(Double_t pt) const {
911 Int_t bin=fPIDEff->FindBin(pt);
913 return fPIDEff->GetBinContent(bin);
915 //--------------------------------------------------------------------------
916 Double_t AliHFSystErr::GetTrackingEffErr(Double_t pt) const {
921 Int_t bin=fTrackingEff->FindBin(pt);
923 return fTrackingEff->GetBinContent(bin);
925 //--------------------------------------------------------------------------
926 Double_t AliHFSystErr::GetRawYieldErr(Double_t pt) const {
931 Int_t bin=fRawYield->FindBin(pt);
933 return fRawYield->GetBinContent(bin);
935 //--------------------------------------------------------------------------
936 Double_t AliHFSystErr::GetPartAntipartErr(Double_t pt) const {
941 Int_t bin=fPartAntipart->FindBin(pt);
943 return fPartAntipart->GetBinContent(bin);
945 //--------------------------------------------------------------------------
946 Double_t AliHFSystErr::GetTotalSystErr(Double_t pt,Double_t feeddownErr) const {
948 // Get total syst error (except norm. error)
953 if(fRawYield) err += GetRawYieldErr(pt)*GetRawYieldErr(pt);
954 if(fTrackingEff) err += GetTrackingEffErr(pt)*GetTrackingEffErr(pt);
955 if(fBR) err += GetBRErr()*GetBRErr();
956 if(fCutsEff) err += GetCutsEffErr(pt)*GetCutsEffErr(pt);
957 if(fPIDEff) err += GetPIDEffErr(pt)*GetPIDEffErr(pt);
958 if(fMCPtShape) err += GetMCPtShapeErr(pt)*GetMCPtShapeErr(pt);
959 if(fPartAntipart) err += GetPartAntipartErr(pt)*GetPartAntipartErr(pt);
961 err += feeddownErr*feeddownErr;
963 return TMath::Sqrt(err);
965 //---------------------------------------------------------------------------
966 void AliHFSystErr::DrawErrors(TGraphAsymmErrors *grErrFeeddown) const {
970 gStyle->SetOptStat(0);
972 TCanvas *cSystErr = new TCanvas("cSystErr","Systematic Errors",300,80,640,500);
973 cSystErr->Range(0.20,-0.5,18.4,0.34);
974 cSystErr->SetRightMargin(0.318);
975 cSystErr->SetFillColor(0);
977 TH2F *hFrame = new TH2F("hFrame","Systematic errors; p_{t} [GeV/c]; Relative Error",20,0,20,100,-1,+1);
978 hFrame->SetAxisRange(1.,15.9,"X");
979 hFrame->SetAxisRange(-0.5,0.5,"Y");
982 TLegend *leg = new TLegend(0.69,0.44,0.98,0.86,NULL,"brNDC");
983 leg->SetTextSize(0.03601695);
984 leg->SetFillStyle(0);
985 leg->SetBorderSize(0);
987 TH1F *hTotErr=new TH1F("hTotErr","",24,0,24);
988 Int_t nbins = fNorm->GetNbinsX();
989 TGraphAsymmErrors *gTotErr = new TGraphAsymmErrors(nbins);
990 for(Int_t i=1;i<=24;i++) {
991 Double_t pt = hTotErr->GetBinCenter(i);
992 Double_t ptwidth = hTotErr->GetBinWidth(i);
995 Double_t x=0., y=0., errxl=0., errxh=0., erryl=0., erryh=0.;
996 Double_t toterryl=0., toterryh=0.;
997 for(Int_t j=0; j<grErrFeeddown->GetN(); j++) {
998 grErrFeeddown->GetPoint(j,x,y);
999 errxh = grErrFeeddown->GetErrorXhigh(j);
1000 errxl = grErrFeeddown->GetErrorXlow(j);
1001 if ( ( (x-errxl) <= pt) && ( (x+errxl) >= pt) ) {
1002 erryh = grErrFeeddown->GetErrorYhigh(j);
1003 erryl = grErrFeeddown->GetErrorYlow(j);
1006 if (erryl>=1e-3) toterryl = GetTotalSystErr(pt,erryl);
1007 else toterryl = GetTotalSystErr(pt);
1008 if (erryh>=1e-3) toterryh = GetTotalSystErr(pt,erryh);
1009 else toterryh = GetTotalSystErr(pt);
1011 hTotErr->SetBinContent(i,toterryh);
1012 gTotErr->SetPoint(i,pt,0.);
1013 gTotErr->SetPointError(i,ptwidth/2.,ptwidth/2.,toterryl,toterryh); // i, exl, exh, eyl, eyh
1016 hTotErr->SetBinContent(i,GetTotalSystErr(pt));
1017 gTotErr->SetPoint(i,pt,0.);
1018 gTotErr->SetPointError(i,ptwidth/2.,ptwidth/2.,GetTotalSystErr(pt),GetTotalSystErr(pt)); // i, exl, exh, eyl, eyh
1022 gTotErr->SetLineColor(kBlack);
1023 gTotErr->SetFillColor(kRed);
1024 gTotErr->SetFillStyle(3002);
1026 leg->AddEntry(gTotErr,"Total (excl. norm.)","f");
1027 // hTotErr->SetLineColor(1);
1028 // hTotErr->SetLineWidth(3);
1029 // hTotErr->Draw("same");
1030 // leg->AddEntry(hTotErr,"Total (excl. norm.)","l");
1033 fNorm->SetFillColor(1);
1034 fNorm->SetFillStyle(3002);
1035 //fNorm->Draw("same");
1036 //TH1F *hNormRefl = ReflectHisto(fNorm);
1037 //hNormRefl->Draw("same");
1038 leg->AddEntry(fNorm,"Normalization (10%)","");
1041 grErrFeeddown->SetFillColor(kTeal-8);
1042 grErrFeeddown->SetFillStyle(3001);
1043 grErrFeeddown->Draw("2");
1044 leg->AddEntry(grErrFeeddown,"Feed-down from B","f");
1047 fTrackingEff->SetFillColor(4);
1048 fTrackingEff->SetFillStyle(3006);
1049 fTrackingEff->Draw("same");
1050 TH1F *hTrackingEffRefl = ReflectHisto(fTrackingEff);
1051 hTrackingEffRefl->Draw("same");
1052 leg->AddEntry(fTrackingEff,"Tracking efficiency","f");
1055 fBR->SetFillColor(6);
1056 fBR->SetFillStyle(3005);
1057 //fBR->SetFillStyle(3020);
1059 TH1F *hBRRefl = ReflectHisto(fBR);
1060 hBRRefl->Draw("same");
1061 leg->AddEntry(fBR,"Branching ratio","f");
1064 Int_t ci; // for color index setting
1065 ci = TColor::GetColor("#00cc00");
1066 fRawYield->SetLineColor(ci);
1067 // fRawYield->SetLineColor(3);
1068 fRawYield->SetLineWidth(3);
1069 fRawYield->Draw("same");
1070 TH1F *hRawYieldRefl = ReflectHisto(fRawYield);
1071 hRawYieldRefl->Draw("same");
1072 leg->AddEntry(fRawYield,"Yield extraction","l");
1075 fCutsEff->SetLineColor(4);
1076 fCutsEff->SetLineWidth(3);
1077 fCutsEff->Draw("same");
1078 TH1F *hCutsEffRefl = ReflectHisto(fCutsEff);
1079 hCutsEffRefl->Draw("same");
1080 leg->AddEntry(fCutsEff,"Cuts efficiency","l");
1083 fPIDEff->SetLineColor(7);
1084 fPIDEff->SetLineWidth(3);
1085 fPIDEff->Draw("same");
1086 TH1F *hPIDEffRefl = ReflectHisto(fPIDEff);
1087 hPIDEffRefl->Draw("same");
1088 leg->AddEntry(fPIDEff,"PID efficiency","l");
1091 Int_t ci = TColor::GetColor("#9933ff");
1092 fMCPtShape->SetLineColor(ci);
1093 // fMCPtShape->SetLineColor(8);
1094 fMCPtShape->SetLineWidth(3);
1095 fMCPtShape->Draw("same");
1096 TH1F *hMCPtShapeRefl = ReflectHisto(fMCPtShape);
1097 hMCPtShapeRefl->Draw("same");
1098 leg->AddEntry(fMCPtShape,"MC p_{t} shape","l");
1101 Int_t ci = TColor::GetColor("#ff6600");
1102 fPartAntipart->SetLineColor(ci);
1103 // fPartAntipart->SetLineColor(9);
1104 fPartAntipart->SetLineWidth(3);
1105 fPartAntipart->Draw("same");
1106 TH1F *hPartAntipartRefl = ReflectHisto(fPartAntipart);
1107 hPartAntipartRefl->Draw("same");
1108 leg->AddEntry(fPartAntipart,"D = #bar{D}","l");
1114 cSystErr->SaveAs("RelativeSystematics.eps");
1118 //-------------------------------------------------------------------------
1119 TH1F* AliHFSystErr::ReflectHisto(TH1F *hin) const {
1121 // Clones and reflects histogram
1123 TH1F *hout=(TH1F*)hin->Clone("hout");