Addendum: search for ν μ → ν e oscillations with the OPERA experiment in the CNGS beam

Agafonova, N.; Aleksandrov, A.; Anokhina, A.; Aoki, S.; Ariga, Akitaka; Ariga, Tomoko; Autiero, D.; Badertscher, A.; Ben Dhahbi, A.; Bertolin, A.; Bozza, C.; Brugnera, R.; Brunet, F.; Brunetti, G.; Buettner, B.; Buontempo, S.; Chaussard, L.; Chernyavsky, M.; Chiarella, V.; Chukanov, A.; ... (2013). Addendum: search for ν μ → ν e oscillations with the OPERA experiment in the CNGS beam. Journal of High Energy Physics, 2013(7) Springer 10.1007/JHEP07(2013)085

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A first result of the search for ν ( )μ( ) → ν ( )e( ) oscillations in the OPERA experiment, located at the Gran Sasso Underground Laboratory, is presented. The experiment looked for the appearance of ν ( )e( ) in the CNGS neutrino beam using the data collected in 2008 and 2009. Data are compatible with the non-oscillation hypothesis in the three-flavour mixing model. A further analysis of the same data constrains the non-standard oscillation parameters θ (new) and suggested by the LSND and MiniBooNE experiments. For large values (>0.1 eV(2)), the OPERA 90% C.L. upper limit on sin(2)(2θ (new)) based on a Bayesian statistical method reaches the value 7.2 × 10(−3).

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