Neutrino Oscillations Working Group Parallel Session Summary
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Kurt Woschnagg* UC Berkeley *WG co-lead with Ty DeYoung IceCube collaboration meeting, Munich, October 12, 2013 Neutrino Oscillations Working Group Parallel Session Summary
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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 . - PowerPoint PPT Presentation
Transcript of Neutrino Oscillations Working Group Parallel Session Summary
Kurt Woschnagg*UC Berkeley
*WG co-lead with Ty DeYoung
IceCube collaboration meeting, Munich, October 12, 2013
Neutrino Oscillations Working GroupParallel Session Summary
Atmospheric Neutrino Oscillations
Search for muon neutrino disappearance in DeepCore data
Atmospheric Neutrino Oscillations
Search for muon neutrino disappearance in DeepCore data
Theoretical oscillogram
Observables
Likelihood scan inparameter space
IceCube has entered the oscillation field
First generation analysis (A. Gross)Low-E and high-E samplesAnalysis on zenith angleNo energy information used in fit
IceCube/DeepCore νμ disappearance at ICRC
Sebastian Euler, ICRC plots
IC79 νμ disappearance analysis
Markus Vehring
IC79 νμ disappearance analysis revisited
Estimating muon background from data
Anna KriestenHESE-inspired approach:1. Define veto layers2. Define veto3. Determine veto passing rates
DC
Estimating muon background from data• Preliminary studies of charge distributions
• Charge in layers 2 and 3 if tagged in layer 1
• Layers independent -> method should work
Estimating muon background from data
Layer 2 Layer 3
MultiLlh: likelihood fitting with FC errors
Laura Gladstone
MultiLlh: likelihood fitting with FC errors
MultiLlh: likelihood fitting with FC errors
MultiLlh: likelihood fitting with FC errors
Juan Pablo Yanez Results from IC86-2011
IC86 νμ disappearance analysis
• Results from first year
IC86 νμ disappearance analysis
• Nuisance parameters
IC86 νμ disappearance analysis
Extend to two or three years of IC86
IC86 νμ disappearance analysis
Matt Dunkman
IC86 νμ disappearance analysis IIRates at L3
Rates at L5BTD
Containment,Noise rejection
Low-E L3
João Pedro Athayde Marcondes de André (‘’JP”)
Plan for a ντ appearance analysis
Plan for a ντ appearance analysis
João Pedro Athayde Marcondes de André (‘’JP”)
Summary• First generation analysis published• Second generation analyses mature:
– IC79: • Being reoptimized• Better bgr estimate, 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
