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1 | /* $Id$ */ |
| 2 | |
| 3 | #include "AliEmcalPhysicsSelection.h" |
| 4 | #include "AliESDEvent.h" |
| 5 | #include <AliLog.h> |
| 6 | |
| 7 | ClassImp(AliEmcalPhysicsSelection) |
| 8 | |
| fb81cdb7 |
9 | AliEmcalPhysicsSelection::AliEmcalPhysicsSelection() : |
| 10 | AliPhysicsSelection(), |
| 11 | fMarkFastOnly(0), |
| 12 | fMarkLedEvent(0), |
| 13 | fSkipFastOnly(0), |
| 14 | fSkipLedEvent(0), |
| 15 | fCellMinE(2), |
| 16 | fClusMinE(5), |
| 17 | fIsFastOnly(0), |
| 18 | fIsLedEvent(0), |
| 19 | fIsGoodEvent(0), |
| 20 | fCellMaxE(0), |
| 21 | fClusMaxE(0) |
| 22 | { |
| 23 | // Default constructor. |
| 24 | } |
| 25 | |
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26 | //__________________________________________________________________________________________________ |
| 27 | UInt_t AliEmcalPhysicsSelection::GetSelectionMask(const TObject* obj) |
| 28 | { |
| 29 | const AliESDEvent *ev = static_cast<const AliESDEvent*>(obj); |
| 30 | UInt_t res = IsCollisionCandidate(ev); |
| 31 | |
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32 | fIsFastOnly = kFALSE; |
| 33 | fIsGoodEvent = kFALSE; |
| 34 | fIsLedEvent = kFALSE; |
| 35 | fCellMaxE = 0; |
| 36 | fClusMaxE = 0; |
| 37 | |
| 38 | if ((res & AliVEvent::kAnyINT) || |
| 39 | (res & AliVEvent::kEMC1) || |
| 40 | (res & AliVEvent::kEMC7)) |
| 41 | fIsGoodEvent = kTRUE; |
| 42 | |
| 43 | AliAnalysisManager *am = AliAnalysisManager::GetAnalysisManager(); |
| 44 | am->LoadBranch("EMCALCells."); |
| 45 | am->LoadBranch("CaloClusters"); |
| 46 | |
| 47 | AliESDCaloCells *cells = ev->GetEMCALCells(); |
| 48 | const Short_t nCells = cells->GetNumberOfCells(); |
| 49 | |
| 50 | // mark LHC11a fast only partition if requested |
| 51 | if (res & AliVEvent::kFastOnly) { |
| 52 | fIsFastOnly = kTRUE; |
| 53 | if (fMarkFastOnly||fSkipFastOnly) { |
| 54 | if (nCells>0) { |
| 55 | AliFatal(Form("Number of cells %d, even though EMCAL should not be in fast only partition.",nCells)); |
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56 | } |
| fb81cdb7 |
57 | fIsGoodEvent = kFALSE; |
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58 | } |
| 59 | } |
| 60 | |
| fb81cdb7 |
61 | // count cells above threshold |
| 62 | Int_t nCellCount[10] = {0,0,0,0,0,0,0,0,0,0}; |
| 63 | for(Int_t iCell=0; iCell<nCells; ++iCell) { |
| 64 | Short_t cellId = cells->GetCellNumber(iCell); |
| 65 | Double_t cellE = cells->GetCellAmplitude(cellId); |
| 66 | Int_t sm = cellId / (24*48); |
| 67 | if (cellE>0.1) |
| 68 | ++nCellCount[sm]; |
| 69 | if (cellE>fCellMaxE) |
| 70 | fCellMaxE = cellE; |
| 71 | } |
| 72 | |
| 73 | const Int_t nCaloClusters = ev->GetNumberOfCaloClusters(); |
| 74 | for(Int_t iClus = 0; iClus<nCaloClusters; ++iClus) { |
| 75 | AliESDCaloCluster *cl = ev->GetCaloCluster(iClus); |
| 76 | if (!cl->IsEMCAL()) |
| 77 | continue; |
| 78 | Double_t e = cl->E(); |
| 79 | if (e>fClusMaxE) |
| 80 | fClusMaxE = e; |
| 81 | } |
| 82 | |
| 83 | // bad cell criterion for LHC11a from |
| 84 | // https://indico.cern.ch/materialDisplay.py?contribId=4&materialId=slides&confId=147067 |
| 85 | const Int_t runN = ev->GetRunNumber(); |
| 86 | if ((runN>=144871) && (runN<=146860)) { |
| 87 | if (nCellCount[4] > 100) |
| 88 | fIsLedEvent = kTRUE; |
| 89 | else { |
| 90 | if ((runN>=146858) && (runN<=146860)) { |
| 91 | if ((res&AliVEvent::kMB) && (nCellCount[3]>=21)) |
| 92 | fIsLedEvent = kTRUE; |
| 93 | else if ((res&AliVEvent::kEMC1) && (nCellCount[3]>=35)) |
| 94 | fIsLedEvent = kTRUE; |
| 95 | } |
| 96 | } |
| 97 | if (fIsLedEvent) { |
| 98 | fIsGoodEvent = kFALSE; |
| 99 | } |
| 100 | } |
| 101 | |
| 102 | if (fCellMaxE>=fCellMinE) |
| 103 | res |= kEmcalHC; |
| 104 | |
| 105 | if (fClusMaxE>=fClusMinE) |
| 106 | res |= kEmcalHT; |
| 107 | |
| 108 | if (fIsGoodEvent) |
| 109 | res |= kEmcalOk; |
| 110 | |
| 111 | if ((fSkipLedEvent && fIsLedEvent) || |
| 112 | (fSkipFastOnly && fIsFastOnly)) |
| 113 | res = 0; |
| 114 | |
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115 | return res; |
| 116 | } |
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