1) Horn-on selection (L010185) Tightening the NuBarPID cut NuBarPID Purity vs. Efficiency nu nubar.

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Presentation transcript:

1) Horn-on selection (L010185) Tightening the NuBarPID cut NuBarPID Purity vs. Efficiency nu nubar

Cut at 0.75: Eff: 49.22% Pur: 99.65% Cut at 0.80: Eff: 47.21% Pur: 99.71% Cut at 0.85: Eff: 45.25% Pur: 99.75%

Spectrum of antineutrino like events after cuts for MC: ~3.0e19 POT (almost all horn-on MC) Same but in log scale No events in 2 nd bin with 0.85 cut ~3.0e19 POT (almost all horn-on MC) 0.75 cut 0.80 cut 0.85 cut

2) Horn-off selection (L010000) Tightening the NuBarPID cut  Easier to separate neutrinos/antineutrinos in horn-off configuration NuBarPID Purity vs. Efficiency Note: The pdfs used to make the selection are the same as used in (and obtained from) the horn-on MC. nu nubar

Cut at 0.85: Eff: 46.97% Pur: 99.88% Cut at 0.80: Eff: 49.00% Pur: 99.87% Cut at 0.75: Eff: 50.96% Pur: 99.85%

Spectrum of antineutrino like events after cuts for DATA and MC: 2.77e18 POT (all horn-off data) 0.75 cut 0.80 cut 0.85 cut 1.32e19 POT (almost all horn-off MC)