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We present a measurement of angular observables and a test of lepton flavor universality in the B→K^{*}ℓ^{+}ℓ^{-} decay, where ℓ is either e or μ. The analysis is performed on a data sample corresponding to an integrated luminosity of 711  fb^{-1} containing 772×10^{6} BB[over ¯] pairs, collected at the ϒ(4S) resonance with the Belle detector at the(More)
The T2K experiment has observed electron neutrino appearance in a muon neutrino beam produced 295 km from the Super-Kamiokande detector with a peak energy of 0.6 GeV. A total of 28 electron neutrino events were detected with an energy distribution consistent with an appearance signal, corresponding to a significance of 7.3σ when compared to 4.92±0.55(More)
New data from the T2K neutrino oscillation experiment produce the most precise measurement of the neutrino mixing parameter θ23. Using an off-axis neutrino beam with a peak energy of 0.6 GeV and a data set corresponding to 6.57×10(20) protons on target, T2K has fit the energy-dependent νμ oscillation probability to determine oscillation parameters. The 68%(More)
T2K reports its first measurements of the parameters governing the disappearance of ν[over ¯]_{μ} in an off-axis beam due to flavor change induced by neutrino oscillations. The quasimonochromatic ν[over ¯]_{μ} beam, produced with a peak energy of 0.6 GeV at J-PARC, is observed at the far detector Super-Kamiokande, 295 km away, where the ν[over ¯]_{μ}(More)
T2K reports its first results in the search for CP violation in neutrino oscillations using appearance and disappearance channels for neutrino- and antineutrino-mode beams. The data include all runs from January 2010 to May 2016 and comprise 7.482×10^{20} protons on target in neutrino mode, which yielded in the far detector 32 e-like and 135  μ-like events,(More)
K. Abe, C. Andreopoulos, M. Antonova, S. Aoki, A. Ariga, S. Assylbekov, D. Autiero, M. Barbi, G. J. Barker, G. Barr, P. Bartet-Friburg, M. Batkiewicz, V. Berardi, S. Berkman, S. Bhadra, A. Blondel, S. Bolognesi, S. Bordoni, S. B. Boyd, D. Brailsford, A. Bravar, C. Bronner, M. Buizza Avanzini, R. G. Calland, S. Cao, J. Caravaca Rodríguez, S. L. Cartwright,(More)
The source described is based on photoemission of electrons from I00-GaAs,,, 2 P,,,, activated to negative electron affinitN . It 4" built to inject a beam of polarized electrons into the 350 MeV linear accelerator in Mainz. . It is capable of delivering a mean current of 28 ltA spin-polarized longitudinally to a degree of 0.44. The lifetime of the cathode(More)
K. Abe, J. Adam, H. Aihara, 23 C. Andreopoulos, 27 S. Aoki, A. Ariga, S. Assylbekov, D. Autiero, M. Barbi, G.J. Barker, G. Barr, P. Bartet-Friburg, M. Bass, M. Batkiewicz, F. Bay, V. Berardi, B.E. Berger, 23 S. Berkman, S. Bhadra, F.d.M. Blaszczyk, A. Blondel, S. Bolognesi, S. Bordoni, S.B. Boyd, D. Brailsford, A. Bravar, C. Bronner, N. Buchanan, R.G.(More)
We report the first measurement of the flux-averaged cross section for charged current coherent π^{+} production on carbon for neutrino energies less than 1.5 GeV, and with a restriction on the final state phase space volume in the T2K near detector, ND280. Comparisons are made with predictions from the Rein-Sehgal coherent production model and the model by(More)
K. Abe, J. Amey, C. Andreopoulos, 26 M. Antonova, S. Aoki, A. Ariga, Y. Ashida, D. Autiero, S. Ban, M. Barbi, G.J. Barker, G. Barr, C. Barry, P. Bartet-Friburg, M. Batkiewicz, V. Berardi, S. Berkman, 51 S. Bhadra, S. Bienstock, A. Blondel, S. Bolognesi, S. Bordoni, ∗ S.B. Boyd, D. Brailsford, A. Bravar, C. Bronner, M. Buizza Avanzini, R.G. Calland, T.(More)