Double Chooz Project: Status of a Reactor Experiment Aimed at Searches for Neutrino Oscillations

被引:3
作者
Kopeikin, V. I. [1 ]
Machulin, I. N. [1 ]
Mikaelyan, L. A. [1 ]
Sinev, V. V. [1 ]
Skorokhvatov, M. D. [1 ]
Sukhotin, S. V. [1 ]
Etenko, A. V. [1 ]
机构
[1] IV Kurchatov Atom Energy Inst, Russian Res Ctr, Moscow 123182, Russia
基金
俄罗斯基础研究基金会;
关键词
14.60.Pq; 95.55.Vj;
D O I
10.1134/S1063778809020124
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
Double Chooz is an experiment that is devoted to searches for reactor- antineutrino oscillations at the CHOOZ nuclear power plant. This project is aimed at measuring the unknown mixing angle theta(13). It is assumed that the value of theta(13) will be extracted from an analysis of the distortion of the antineutrino spectra obtained in relative measurements at two distances from the nuclear reactors by means of two identical detectors. The method makes it possible to minimize systematic errors of the experiment and to improve the sensitivity to the sought parameter. To date, the most stringent constraint on the parameter theta(13) was obtained from the CHOOZ experiment in 1995-1997 [sin(2)(2 theta(13)) < 0.19, with the difference of the squares of the neutrino masses being Delta m(13)(2) = 2.5 x 10(-3) eV(2)].
引用
收藏
页码:279 / 285
页数:7
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