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arXiv 1408.3799hep-ph
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作为中微子质量机制探测器的高能中微子望远镜

High energy neutrino telescopes as a probe of the neutrino mass mechanism

Kfir Blum, Anson Hook, Kohta Murase

摘要:

我们表明,在中微子望远镜的高能量天体物理中微子的光谱形状和味道比的测量可以敏感的中微子质量机制的细节。我们提出了一个简单的马约拉纳中微子质量生成模型,实现了相关的参数空间,其中小的显式轻子数违反介导的标准模型通过光标量的相互作用。IceCube经过大约十年的暴露时间,可以揭示异常中微子自相互作用的存在。精确的电弱和轻子味实验室实验以及从宇宙学中确定中微子总质量将为信号的解释提供一致性检查。

英文摘要:

We show that measurements of the spectral shape and flavor ratios of high energy astrophysical neutrinos at neutrino telescopes can be sensitive to the details of the neutrino mass mechanism. We propose a simple model for Majorana neutrino mass generation that realizes the relevant parameter space, in which small explicit lepton number violation is mediated to the Standard Model through the interactions of a light scalar. IceCube, with about ten years of exposure time, could reveal the presence of anomalous neutrino self-interactions. Precision electroweak and lepton flavor laboratory experiments and a determination of the total neutrino mass from cosmology would provide consistency checks on the interpretation of a signal.

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