First hint for CP violation in neutrino oscillations from upcoming superbeam and reactor experiments

被引：131

作者：

Huber, Patrick ^{[1
]}

Lindner, Manfred ^{[2
]}

Schwetz, Thomas ^{[2
]}

Winter, Walter ^{[3
]}

机构：

[1] Virginia Tech, IPNAS, Dept Phys, Blacksburg, VA 24061 USA

[2] Max Planck Inst Kernphys, D-69029 Heidelberg, Germany

[3] Univ Wurzburg, Inst Theoret Phys & Astrophys, D-97074 Wurzburg, Germany

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2009年 / 11期

关键词：

Neutrino Physics; CP violation; LINE-EXPERIMENT-SIMULATOR;

D O I：

10.1088/1126-6708/2009/11/044

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

We compare the physics potential of the upcoming neutrino oscillation exp eriments Daya Bay, Double Chooz, NO nu A, RENO, and T2Kbased on their anticipated nominal luminosities and schedules. After discussing the sensitivity to theta(13) and the leading atmospheric parameters, we demonstrate that leptonic CP violation will hardly be measurable without upgrades of the T2K and NO nu A proton drivers, even if theta(13) is large. In the presence of the proton drivers, the fast track to hints for CP violation requires communic ation between the T2K and NO nu A collaborations in terms of amutual synchronization of their neutrino-antineutrino run plans. Even in that case, upgrades will only discover CP violation in a relatively small part of the parameter space at the 3 sigma confidence level, while 90% confidence level hints will most likely be obtained. Therefore, we conclude that a new facility will be required if the goal is to obtain a significant result with high probability.

引用

页数：30

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ARDELLIER F, HEPEX0405032

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