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Neutrino Oscillations Working Group Parallel Session Summary

Neutrino Oscillations Working Group Parallel Session Summary. Kurt Woschnagg* UC Berkeley *WG co-lead with Ty DeYoung. IceCube collaboration meeting, Munich, October 12, 2013. Atmospheric Neutrino Oscillations. Search for muon neutrino disappearance in DeepCore data .

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Neutrino Oscillations Working Group Parallel Session Summary

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  1. Neutrino Oscillations Working GroupParallel Session Summary Kurt Woschnagg* UC Berkeley *WG co-lead with Ty DeYoung IceCube collaboration meeting, Munich, October 12, 2013

  2. Atmospheric Neutrino Oscillations Search for muon neutrino disappearance in DeepCore data

  3. Atmospheric Neutrino Oscillations Theoretical oscillogram Observables Likelihood scan in parameter space Search for muon neutrino disappearance in DeepCore data

  4. IceCube has entered the oscillation field First generation analysis (A. Gross) Low-E and high-E samples Analysis on zenith angle No energy information used in fit

  5. IceCube/DeepCoreνμ disappearance at ICRC

  6. IC79 νμ disappearance analysis Sebastian Euler, ICRC plots

  7. IC79 νμ disappearance analysis revisited Markus Vehring

  8. Estimating muon background from data Anna Kriesten HESE-inspired approach: • Define veto layers • Define veto • Determine veto passing rates DC

  9. Estimating muon background from data • Preliminary studies of charge distributions

  10. Estimating muon background from data • Charge in layers 2 and 3 if tagged in layer 1 • Layers independent -> method should work Layer 3 Layer 2

  11. MultiLlh: likelihood fitting with FC errors Laura Gladstone

  12. MultiLlh: likelihood fitting with FC errors

  13. MultiLlh: likelihood fitting with FC errors

  14. MultiLlh: likelihood fitting with FC errors

  15. IC86 νμ disappearance analysis Juan Pablo Yanez Results from IC86-2011

  16. IC86 νμ disappearance analysis • Results from first year

  17. IC86 νμ disappearance analysis • Nuisance parameters

  18. IC86 νμ disappearance analysis Extend to two or three years of IC86

  19. IC86 νμ disappearance analysis II Rates at L3 Matt Dunkman Containment, Noise rejection BTD Low-E L3 Rates at L5

  20. Plan for a ντ appearance analysis João Pedro Athayde Marcondes de André (‘’JP”)

  21. Plan for a ντ appearance analysis João Pedro Athayde Marcondes de André (‘’JP”)

  22. Summary • First generation analysispublished • Second generation analyses mature: • IC79: • Being reoptimized • Better bgrestimate, from data • IC86: • First year completed • Better energy reco before adding data • Multiyear analysis • Third generation analyses: • Better tools (MultiLlh, energy reconstruction,…) • Better simulations • Higher statistics, multiyear data sets • Search for tau appearance

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