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arXiv 0905.3693hep-ex
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theta(13)的研究现状与双双π z的展望

Review of theta(13) and prospects for Double Chooz

I. Gil-Botella

摘要:

双π z反应堆中微子实验将是下一个以前所未有的灵敏度寻找非零θ(13)混合角的探测器,这可能为揭示轻子区的CP破坏开辟道路。这个角度的测量将基于两个位于离法国的Bronz核反应堆堆芯不同距离的相同探测器的反中微子光谱的精确比较。双二阶矩特别有吸引力,因为它能够在sin ^2(2 θ(13))> 0.05的情况下测量sin ^2(2 θ(13))到3 σ显著性,或者在90%置信度下排除sin ^2(2 θ(13))到0.03。在两个探测器三年的数据采集中,Dm ^2 = 2.5 x 10^(-3)eV ^2。2008年5月开始安装远探测器,预计2009年将获得第一个中微子结果。本文介绍了用反应堆中微子实验测量θ(13)混合角的优点,特别是双中微子探测器的设计、现状和预期性能。

英文摘要:

The Double Chooz reactor neutrino experiment will be the next detector to search for a non vanishing theta(13) mixing angle with unprecedented sensitivity, which might open the way to unveiling CP violation in the leptonic sector. The measurement of this angle will be based on a precise comparison of the antineutrino spectrum at two identical detectors located at different distances from the Chooz nuclear reactor cores in France. Double Chooz is particularly attractive because of its capability to measure sin^2(2theta(13)) to 3 sigma significance if sin^2(2theta(13)) > 0.05 or to exclude sin^2(2theta(13)) down to 0.03 at 90% C.L. for Dm^2 = 2.5 x 10^(-3) eV^2 in three years of data taking with both detectors. The installation of the far detector started in May 2008 and the first neutrino results are expected in 2009. The advantages of reactor neutrino experiments to measure the theta(13) mixing angle are described in this article and in particular, the design, current status and expected performance of the Double Chooz detector.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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