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Letter of Intent for Double-CHOOZ: a Search for the Mixing Angle Theta13 | | F.Ardellier
; I.Barabanov
; J.C.Barriere
; M.Bauer
; L.Bezrukov
; C.Buck
; C.Cattadori
; B.Courty
; M.Cribier
; F.Dalnoki-Veress
; N.Danilov
; H.de Kerret
; A.Di Vacri
; A.Etenko
; M.Fallot
; Ch.Grieb
; M.Goeger
; A.Guertin
; T.Kirchner
; Y.S.Krylov
; D.Kryn
; C.Hagner
; W.Hampel
; F.X.Hartmann
; P.Huber
; J.Jochum
; T.Lachenmaier
; Th.Lasserre
; Ch.Lendvai
; M.Lindner
; F.Marie
; J.Martino
; G.Mention
; A.Milsztajn
; J.P.Meyer
; D.Motta
; L.Oberauer
; M.Obolensky
; L.Pandola
; W.Potzel
; S.Schoenert
; U.Schwan
; T.Schwetz
; S.Scholl
; L.Scola
; M.Skorokhvatov
; S.Sukhotin
; A.Letourneau
; D.Vignaud
; F.von Feilitzsch
; W.Winter
; E.Yanovich
; | | Date: |
14 May 2004 | | Subject: | hep-ex | | Abstract: | Tremendous progress has been achieved in neutrino oscillation physics during the last few years. However, the smallness of the $ 13$ neutrino mixing angle still remains enigmatic. The current best constraint comes from the CHOOZ reactor neutrino experiment $s2t13 < 0.2$ (at 90% C.L., for $adm2=2.0 10^{-3} ext{eV}^2$). We propose a new experiment on the same site, Double-CHOOZ, to explore the range of $s2t13$ from 0.2 to 0.03, within three years of data taking. The improvement of the CHOOZ result requires an increase in the statistics, a reduction of the systematic error below one percent, and a careful control of the cosmic ray induced background. Therefore, Double-CHOOZ will use two identical detectors, one at $sim$150 m and another at 1.05 km distance from the nuclear cores. The plan is to start data taking with two detectors in 2008, and to reach a sensitivity of 0.05 in 2009, and 0.03 in 2011. | | Source: | arXiv, hep-ex/0405032 | | Services: | Forum | Review | PDF | Favorites | |
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