Three flavor implications of CHOOZ result

Abstract

We analyze the recent result of the CHOOZ collaboration in the context of mixing and oscillations between all the three neutrino flavors. If one assumes a hierarchy among the vacuum mass eigenvalues (δ_{21} \ll δ_{31}), then the CHOOZ result limits the (13) mixing angle ϕto quite small values. This in turn limits the contribution of the ν_e <--> ν_μoscillation channel to the atmospheric neutrino anomaly to less than 10 percent. It also implies that the solution to the solar neutrino problem is effectively ν_e <--> ν_μoscillation and that of the atmospheric neutrino problem is effectively ν_μ<--> ν_τ.

6 pages of text and 4 figures

References in corpus (2)

• Initial Results from the CHOOZ Long Baseline Reactor Neutrino Oscillation Experiment
• Solutions to Solar Neutrino Anomaly

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