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arXiv 1206.2172hep-ph
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用双双中微子、大亚湾和RENO探测无菌中微子参数

Probing Sterile Neutrino Parameters with Double Chooz, Daya Bay and RENO

Kalpana Bora, Debajyoti Dutta, Pomita Ghoshal

摘要:

在这项工作中,我们提出了一个现实的分析,目前的反应堆实验的潜力,双DALUZ,大亚湾和RENO探测无菌中微子的存在。我们目前的排除区域无菌振荡参数为这些实验中的每一个,使用模拟与现实的估计系统误差和检测器的分辨率,并比较无菌参数的灵敏度区域,我们从其他反应堆实验与现有的界限。我们发现,这些实验装置给出了参数Θ_{ee}的显著界限,特别是在低无菌振荡区域0.01 < Δ m_{41} ^2 < 0.05 eV ^2。这些界限可以增加我们对无菌中微子区的理解,因为在不同的无菌参数实验中,允许的区域仍然存在紧张局势。

英文摘要:

In this work, we present a realistic analysis of the potential of the present-day reactor experiments Double Chooz, Daya Bay and RENO for probing the existence of sterile neutrinos. We present exclusion regions for sterile oscillation parameters for each of these experiments, using simulations with realistic estimates of systematic errors and detector resolutions, and compare the sterile parameter sensitivity regions we obtain with the existing bounds from other reactor experiments. We find that these experimental set-ups give significant bounds on the parameter Θ_{ee} especially in the low sterile oscillation region 0.01 < Δm_{41}^2 < 0.05 eV^2. These bounds can add to our understanding of the sterile neutrino sector since there is still a tension in the allowed regions from different experiments for sterile parameters.

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