Athena: 14.2.25 AOD based selection

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Athena 14.2.25AOD based selection
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Example electron channel selection

• LVL1 trigger TL1_EM23I
• LVL2 trigger TL2_E25I_loose
• EF TEF_E25I_loose
• 1 electron (loose) Pt gt 20 GeV/c
• ? lt 2.5, exclude 1.37-1.52
• Simple spatial isolation ?R(e,jet) gt 0.4
• Remove overlap muon if ?R(µ-e) lt 0.1
• Remove overlap jet if ?R(µ-e) lt 0.1
• At least 4 jets, Pt gt 20 GeV/c 3 jets Pt gt 40
  GeV/c
• ETmiss gt 20 GeV

Sample Lumi (pb-1) Expected events for 10 pb-1 Efficiency
tt no had 1638.0 141.01.1 0.0643
tt full had 398.8 115.12.0 0.0632
W e? 2j 185.9 1.130.06 6x10-4
W e? 3j 167.7 11.40.7 0.0089
W e? 4j 81.7 30.13.7 0.0058
W e? 5j 154.2 27.71.8 0.1423
Single t Wt 638.2 3.640.05 0.0255
Single t t-channel 9158.3 0.38870.0005 0.0141
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Full hadronic top too much. Does not seem a
trivial mistake. To be checked lepton quality
and isolation criteria.