]>
Commit | Line | Data |
---|---|---|
770a1f1d | 1 | /* $Id: CreateCuts.C,v 1.5 2008/01/11 08:28:52 jgrosseo Exp $ */ |
2 | ||
3 | // this macro creates the track and event cuts used in this analysis | |
4 | ||
5 | AliESDtrackCuts* CreateTrackCuts(AliPWG0Helper::AnalysisMode analysisMode, Bool_t fieldOn = kTRUE, Bool_t hists = kTRUE) | |
6 | { | |
7 | AliESDtrackCuts* esdTrackCuts = new AliESDtrackCuts("AliESDtrackCuts"); | |
8 | ||
9 | if (hists) | |
10 | esdTrackCuts->DefineHistograms(1); | |
11 | ||
12 | // default cuts for ITS+TPC | |
13 | Double_t cov1 = 2; | |
14 | Double_t cov2 = 2; | |
15 | Double_t cov3 = 0.5; | |
16 | Double_t cov4 = 0.5; | |
17 | Double_t cov5 = 2; | |
18 | Double_t nSigma = 3; | |
19 | ||
20 | TString tag("Global tracking"); | |
21 | ||
22 | // TPC-only cuts | |
23 | if (analysisMode == AliPWG0Helper::kTPC) | |
24 | { | |
25 | // beta cuts (still under investigation) | |
26 | cov1 = 4; | |
27 | cov2 = 4; | |
28 | nSigma = 4; | |
29 | ||
30 | tag = "TPC-only tracking"; | |
31 | } | |
32 | ||
33 | // cuts for data without field | |
34 | if (!fieldOn) | |
35 | { | |
36 | cov5 = 1e10; | |
37 | tag += " without field"; | |
38 | } | |
39 | ||
40 | esdTrackCuts->SetMaxCovDiagonalElements(cov1, cov2, cov3, cov4, cov5); | |
41 | ||
42 | esdTrackCuts->SetMinNsigmaToVertex(nSigma); | |
43 | esdTrackCuts->SetRequireSigmaToVertex(kTRUE); | |
44 | ||
45 | esdTrackCuts->SetRequireTPCRefit(kTRUE); | |
46 | esdTrackCuts->SetAcceptKingDaughters(kFALSE); | |
47 | ||
48 | esdTrackCuts->SetMinNClustersTPC(50); | |
49 | esdTrackCuts->SetMaxChi2PerClusterTPC(3.5); | |
50 | ||
51 | Printf("Created track cuts for: %s", tag.Data()); | |
52 | ||
53 | return esdTrackCuts; | |
54 | } |