Statistical Analysis of Different Muon-antineutrino->Electron-antineutrino Searches
E.D. Church, K. Eitel, G.B. Mills, M. Steidl
TL;DR
This paper presents a combined statistical analysis of LSND and KARMEN neutrino oscillation results, finding no compatible oscillation parameters at 36% confidence but identifying two regions at 64% confidence.
Contribution
It provides a joint frequentist analysis of two major experiments, clarifying the compatibility of their neutrino oscillation results.
Findings
No common oscillation parameters at 36% confidence.
Two regions of parameters compatible at 64% confidence.
Abstract
A combined statistical analysis of the experimental results of the LSND and KARMEN \numubnueb oscillation search is presented. LSND has evidence for neutrino oscillations that is not confirmed by the KARMEN experiment. This joint analysis is based on the final likelihood results for both data sets. A frequentist approach is applied to deduce confidence regions. At a combined confidence level of 36%, there is no area of oscillation parameters compatible with both experiments. For the complementary confidence of 1-0.36=64%, there are two well defined regions of oscillation parameters (sin^2(2th),Dm^2) compatible with both experiments.
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