1 | # basic selection for semi-leptonic ttbar events |
---|
2 | |
---|
3 | # requirements: |
---|
4 | # event.muons |
---|
5 | # event.electrons |
---|
6 | # event.jets |
---|
7 | # event.selectedJets |
---|
8 | # event.bJets |
---|
9 | # event.topCandidates_L |
---|
10 | # event.topCandidates_H |
---|
11 | # event.topPairCandidates |
---|
12 | |
---|
13 | # the list of category names |
---|
14 | categoryNames = [ "l4j", "withPtCuts", "withBtag", "LeptonicTopCandidate", "HadronicTopCandidate", "TtbarCandidate" ] |
---|
15 | |
---|
16 | def eventCategory(event): |
---|
17 | """Check analysis requirements for various steps |
---|
18 | and return a tuple of data used to decide |
---|
19 | to what category an event belong """ |
---|
20 | categoryData = [ ] |
---|
21 | # 0: number of muons |
---|
22 | categoryData.append(event.muons.GetEntries()) |
---|
23 | # 1: number of electrons |
---|
24 | categoryData.append(event.electrons.GetEntries()) |
---|
25 | # 2: number of jets |
---|
26 | categoryData.append(event.jets.GetEntries()) |
---|
27 | # 3: Pt of the leading muon |
---|
28 | if event.muons.GetEntries(): |
---|
29 | categoryData.append(event.muons[0].PT) |
---|
30 | else: |
---|
31 | categoryData.append(0.) |
---|
32 | # 4: Pt of the leading electron |
---|
33 | if event.electrons.GetEntries(): |
---|
34 | categoryData.append(event.electrons[0].PT) |
---|
35 | else: |
---|
36 | categoryData.append(0.) |
---|
37 | # 5: number of selected jets |
---|
38 | categoryData.append(len(event.selectedJets)) |
---|
39 | # 6: number of bjets |
---|
40 | categoryData.append(len(event.bJets)) |
---|
41 | # 7: leptonic top candidate |
---|
42 | categoryData.append(len(event.topCandidates_L)) |
---|
43 | # 8: hadronic top candidate |
---|
44 | categoryData.append(len(event.topCandidates_H)) |
---|
45 | # 9: top pairs |
---|
46 | categoryData.append(len(event.topPairCandidates)) |
---|
47 | # DONE |
---|
48 | return categoryData |
---|
49 | |
---|
50 | def isInCategory(category, categoryData): |
---|
51 | """Check if the event enters category X, given the tuple computed by eventCategory.""" |
---|
52 | if category==0: |
---|
53 | return (categoryData[0]>0 or categoryData[1]>0) and categoryData[2]>=4 |
---|
54 | elif category==1: |
---|
55 | return isInCategory(0,categoryData) and (categoryData[3]>15 or categoryData[4]>15) and categoryData[5]>=4 |
---|
56 | elif category==2: |
---|
57 | return isInCategory(1,categoryData) and categoryData[6]>=2 |
---|
58 | elif category==3: |
---|
59 | return isInCategory(2,categoryData) and categoryData[7]>0 |
---|
60 | elif category==4: |
---|
61 | return isInCategory(2,categoryData) and categoryData[8]>0 |
---|
62 | elif category==5: |
---|
63 | return isInCategory(2,categoryData) and categoryData[9]>0 |
---|
64 | else: |
---|
65 | return False |
---|
66 | |
---|