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arXiv 1908.06992hep-phhep-ex
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中微子质量排序被非标准相互作用掩盖

Neutrino mass ordering obscured by non-standard interactions

Francesco Capozzi, Sabya Sachi Chatterjee, Antonio Palazzo

摘要:

粒子物理学中的一个主要问题是中微子质量排序(NMO)问题。目前的数据的两个长基线实验NO $ν$ A和T2 K,解释在标准的3味方案,提供了一个$\sim2.4σ$的指示,有利于正常的中微子质量排序。我们表明,这样的指示是完全洗出来,如果一个假设存在的中性电流非标准相互作用(NSI)的风味变化类型涉及的$e-τ$口味。这意味着,发现动校正的主张需要仔细考虑假设的NSI的影响。

英文摘要:

One of the major open questions in particle physics is the issue of the neutrino mass ordering (NMO). The current data of the two long-baseline experiments NO$ν$A and T2K, interpreted in the standard 3-flavor scenario, provide a $\sim2.4σ$ indication in favor of the normal neutrino mass ordering. We show that such an indication is completely washed out if one assumes the existence of neutral-current non-standard interactions (NSI) of the flavor changing type involving the $e-τ$ flavors. This implies that the claim for a discovery of the NMO will require a careful consideration of the impact of hypothetical NSI.

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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