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Open AccessArticle10.1063/1.4915575

Observation of νµ → ντ oscillations by the OPERA experiment

S. Dusini-2015-01-01-AIP conference proceedings
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TL;DRAbstract

The OPERA experiment is searching for the νµ → ντ oscillations via the direct detection of decays of τ leptons produced in ντ Charged Current interactions. In a sub-sample of the data recorded in the years 2008-2012, OPERA observes 4 ντ candidate events with a total expected background of 0.233 ± 0.041 events, excluding the non-oscillation hypothesis at 32 the 4.2σ level. This result is used to measure for the first time the Δm322 oscillation parameter in appearance mode.

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The OPERA experiment is searching for the νµ → ντ oscillations via the direct detection of decays of τ leptons produced in ντ Charged Current interactions. In a sub-sample of the data recorded in the years 2008-2012, OPERA observes 4 ντ candidate events with a total expected background of 0.233 ± 0.041 events, excluding the non-oscillation hypothesis at 32 the 4.2σ level. This result is used to measure for the first time the Δm322 oscillation parameter in appearance mode.

Keywords

OperaOscillation (cell signaling)PhysicsMode (computer interface)LeptonMeasure (data warehouse)Particle physicsComputer science

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