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Erratum: Improved measurements of the neutrino mixing angle $\theta_{13}$ with the Double Chooz detector (vol 10, 086, 2014)

Y. Abe J. C. Anjos 1 J. C. Barriere E. Baussan 2 I. Bekman 3 M. Bergevin 4 T. J. C. Bezerra 5 L. Bezrukov E. Blucher 6 C. Buck 7 J. Busenitz 8 A. Cabrera E. Caden 9 L. Camilleri 10 R. Carr 10 M. Cerrada 11 P. -J. Chang 12 E. Chauveau 5 P. Chimenti A. P. Collin 7 E. Conover 6 J. M. Conrad 13 J. I. Crespo-Anadon 11 K. Crum 6 A. S. Cucoanes 14 E. Damon 9 J. V. Dawson J. Dhooghe 4 D. Dietrich 15 Z. Djurcic 16 M. Dracos 2 M. Elnimr 17 A. Etenko Muriel Fallot 14 F. Feilitzsch 18 J. Felde 19 S. M. Fernandes 17 V. Fischer D. Franco M. Franke 18 H. Furuta 5 I. Gil-Botella 11 Lydie Giot 14 M. Goeger-Neff 18 L. F. G. Gonzalez 20 L. Goodenough 16 M. C. Goodman 16 C. Grant 4 N. Haag 18 T. Hara J. Haser 7 M. Hofmann 18 G. A. Horton-Smith 12 A. Hourlier M. Ishitsuka J. Jochum 15 C. Jollet 2 F. Kaether 7 L. N. Kalousis 21 Y. Kamyshkov D. M. Kaplan T. Kawasaki E. Kemp 20 H. Kerret D. Kryn 22 M. Kuze T. Lachenmaier 15 C. E. Lane 9 T. Lasserre A. Letourneau 23 D. Lhuillier 23 H. P. Lima 1 M. Lindner 7 J. M. Lopez-Castao 11 J. M. Losecco B. Lubsandorzhiev S. Lucht 3 J. Maeda 24 C. Mariani 21 J. Maricic 25 J. Martino T. Matsubara G. Mention 26 A. Meregaglia 2 T. Miletic 9 R. Milincic 25 A. Minotti 2 Y. Nagasaka 27 Y. Nikitenko P. Novella 22 L. Oberauer 18 M. Obolensky 22 A. Onillon 14 A. Osborn C. Palomares 11 I. M. Pepe 1 S. Perasso 22 P. Pfahler 18 Amanda Porta 14 G. Pronost 14 J. Reichenbacher 17 B. Reinhold 25 M. Roehling 15 R. Roncin 22 S. Roth 3 B. Rybolt Y. Sakamoto R. Santorelli 11 A. C. Schilithz 1 S. Schoenert 18 S. Schoppmann 3 M. H. Shaevitz 10 R. Sharankova S. Shimojima D. Shrestha 12 V. Sibille 23 V. Sinev M. Skorokhvatov E. Smith 9 J. Spitz 13 A. Stahl 3 I. Stancu 17 L. F. F. Stokes 15 M. Strait A. Stueken 3 F. Suekane 5 S. Sukhotin T. Sumiyoshi Y. Sun 25, 17 R. Svoboda 4 K. Terao 13 A. Tonazzo 22 H. H. Trinh Thi 18 G. Valdiviesso N. Vassilopoulos 2 C. Veyssiere 28 M. Vivier 26 S. Wagner 7 N. Walsh 4 H. Watanabe 7 C. Wiebusch 3 L. Winslow 13 M. Wurm 29 G. Yang 16 F. Yermia 14 V. Zimmer 18
Abstract : The Double Chooz experiment presents improved measurements of the neutrino mixing angle θ13 using the data collected in 467.90 live days from a detector positioned at an average distance of 1050 m from two reactor cores at the Chooz nuclear power plant. Several novel techniques have been developed to achieve significant reductions of the backgrounds and systematic uncertainties with respect to previous publications, whereas the efficiency of the ν¯¯¯e signal has increased. The value of θ13 is measured to be sin2 2θ13 = 0.090+ 0.032− 0.029 from a fit to the observed energy spectrum. Deviations from the reactor ν¯¯¯e prediction observed above a prompt signal energy of 4 MeV and possible explanations are also reported. A consistent value of θ13 is obtained from a fit to the observed rate as a function of the reactor power independently of the spectrum shape and background estimation, demonstrating the robustness of the θ13 measurement despite the observed distortion.
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Submitted on : Thursday, September 24, 2015 - 3:00:53 PM
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Y. Abe, J. C. Anjos, J. C. Barriere, E. Baussan, I. Bekman, et al.. Erratum: Improved measurements of the neutrino mixing angle $\theta_{13}$ with the Double Chooz detector (vol 10, 086, 2014). Journal of High Energy Physics, Springer Verlag (Germany), 2015, pp.074. ⟨10.1007/JHEP02(2015)074⟩. ⟨hal-01204746⟩



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