Status on positron fraction Multi-track event CC fitted Multi-track - PowerPoint PPT Presentation

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Status on positron fraction Multi-track event CC fitted Multi-track event 1 track Multi-Track Multi-track event (15.16-16.15 GeV) No cut on nTrack and nShower Ntrack = 1, nShow = 1 No cut on nTrack, nShow = 1 Comparison of ESEV3 and TRDlik

Status on positron fraction Multi-track event
CC fitted Multi-track event 1 track Multi-Track
Multi-track event (15.16-16.15 GeV) No cut on nTrack and nShower Ntrack = 1, nShow = 1 No cut on nTrack, nShow = 1
Comparison of ESEV3 and TRDlik 10-20 GeV No cut on nShower TRDlik ESEV3 One track Multi track Proton Proton 96 % 4 % Proton Lepton 96 % 4 % Lepton Proton 40 % 60 % Lepton Lepton 88 % 12 % Nshower == 1 Lepton Proton 63 % 37 %
Conclusion ● Discrepancy versus ESEV3 and TRDKlik increased by multitrack and nShower ● It can be explained just by a merging of two shower ? ● How reduce this discrepancy ?

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