2 * @defgroup pwg2_forward_scripts Scripts used in the analysis
4 * @ingroup pwg2_forward
8 * @ingroup pwg2_forward_scripts
12 * This is the macro to include the Forward multiplicity in a train.
14 * @ingroup pwg2_forward_scripts
19 AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
21 Error("AddTaskFMD", "No analysis manager to connect to.");
25 // --- Make the task and add it to the manager ---------------------
26 AliForwardMultiplicityBase* task = 0;
27 if (mc) task = new AliForwardMCMultiplicityTask("FMD");
28 else task = new AliForwardMultiplicityTask("FMD");
31 // Whether to enable low flux specific code
32 task->SetEnableLowFlux(kFALSE);
33 // Set the number of SPD tracklets for which we consider the event a
35 task->GetEventInspector().SetLowFluxCut(1000);
36 // Set the maximum error on v_z [cm]
37 task->GetEventInspector().SetMaxVzErr(0.2);
38 // Set the eta axis to use - note, this overrides whatever is used
39 // by the rest of the algorithms - but only for the energy fitter
41 task->GetEnergyFitter().SetEtaAxis(200, -4, 6);
42 // Set maximum energy loss to consider
43 task->GetEnergyFitter().SetMaxE(10);
44 // Set number of energy loss bins
45 task->GetEnergyFitter().SetNEbins(300);
46 // Set whether to use increasing bin sizes
47 task->GetEnergyFitter().SetUseIncreasingBins(true);
48 // Set whether to do fit the energy distributions
49 task->GetEnergyFitter().SetDoFits(kFALSE);
50 // Set whether to make the correction object
51 task->GetEnergyFitter().SetDoMakeObject(kFALSE);
52 // Set the low cut used for energy
53 task->GetEnergyFitter().SetLowCut(0.4);
54 // Set the number of bins to subtract from maximum of distributions
55 // to get the lower bound of the fit range
56 task->GetEnergyFitter().SetFitRangeBinWidth(4);
57 // Set the maximum number of landaus to try to fit (max 5)
58 task->GetEnergyFitter().SetNParticles(5);
59 // Set the minimum number of entries in the distribution before
60 // trying to fit to the data
61 task->GetEnergyFitter().SetMinEntries(1000);
62 // Set the low cut used for sharing - overrides settings in eloss fits
63 // task->GetSharingFilter().SetLowCut(0.4);
64 // Set the number of xi's (width of landau peak) to stop at
65 task->GetSharingFilter().SetNXi(1);
66 // Set the maximum number of particle to try to reconstruct
67 task->GetDensityCalculator().SetMaxParticles(2);
68 // Set the lower multiplicity cut. Overrides setting in energy loss fits.
69 // task->GetDensityCalculator().SetMultCut(0.4);
70 // Set the number of extra bins (beyond the secondary map border)
71 task->GetHistCollector().SetNCutBins(1);
72 // Set the correction cut, that is, when bins in the secondary map
73 // is smaller than this, they are considered empty
74 task->GetHistCollector().SetCorrectionCut(0.1);
75 // Set the overall debug level (1: some output, 3: a lot of output)
77 // Set the debug level of a single algorithm
78 // task->GetEventInspector().SetDebug(4);
79 // --- Set limits on fits the energy -------------------------------
80 // Maximum relative error on parameters
81 AliFMDCorrELossFit::ELossFit::fgMaxRelError = .12;
82 // Least weight to use
83 AliFMDCorrELossFit::ELossFit::fgLeastWeight = 1e-5;
84 // Maximum value of reduced chi^2
85 AliFMDCorrELossFit::ELossFit::fgMaxChi2nu = 5;
88 // --- Make the output container and connect it --------------------
89 TString outputfile = AliAnalysisManager::GetCommonFileName();
90 // outputfile += ":PWG2forwardDnDeta";
91 // Form(":%s",pars->GetDndetaAnalysisName());
92 AliAnalysisDataContainer* histOut =
93 mgr->CreateContainer("Forward", TList::Class(),
94 AliAnalysisManager::kOutputContainer,outputfile);
95 mgr->ConnectInput(task, 0, mgr->GetCommonInputContainer());
96 mgr->ConnectOutput(task, 1, histOut);