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      Direct Evidence for Neutrino Flavor Transformation from Neutral-Current Interactions in the Sudbury Neutrino Observatory

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      Physical Review Letters
      American Physical Society (APS)

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          Abstract

          Observations of neutral-current nu interactions on deuterium in the Sudbury Neutrino Observatory are reported. Using the neutral current (NC), elastic scattering, and charged current reactions and assuming the standard 8B shape, the nu(e) component of the 8B solar flux is phis(e) = 1.76(+0.05)(-0.05)(stat)(+0.09)(-0.09)(syst) x 10(6) cm(-2) s(-1) for a kinetic energy threshold of 5 MeV. The non-nu(e) component is phi(mu)(tau) = 3.41(+0.45)(-0.45)(stat)(+0.48)(-0.45)(syst) x 10(6) cm(-2) s(-1), 5.3sigma greater than zero, providing strong evidence for solar nu(e) flavor transformation. The total flux measured with the NC reaction is phi(NC) = 5.09(+0.44)(-0.43)(stat)(+0.46)(-0.43)(syst) x 10(6) cm(-2) s(-1), consistent with solar models.

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          Measurement of the Rate of\({\nu }_{e}+\mathit{d}\to \mathit{p}+\mathit{p}+{\mathit{e}}^{-}\)Interactions Produced by\({}_{}{}^{8}{}_{}{}^{}B\)Solar Neutrinos at the Sudbury Neutrino Observatory

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            Solar Models: Current Epoch and Time Dependences, Neutrinos, and Helioseismological Properties

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              Solar\({}_{}{}^{8}{}_{}{}^{}B\)and hep Neutrino Measurements from 1258 Days of Super-Kamiokande Data

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                Author and article information

                Journal
                PRLTAO
                Physical Review Letters
                Phys. Rev. Lett.
                American Physical Society (APS)
                0031-9007
                1079-7114
                June 2002
                June 13 2002
                : 89
                : 1
                Article
                10.1103/PhysRevLett.89.011301
                12097025
                4ef78323-adae-4e85-8c28-8a35255a4462
                © 2002

                http://link.aps.org/licenses/aps-default-license

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