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arXiv 1003.5904hep-ph
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利用非标准交互改进LMA预测

Improving LMA predictions with non standard interactions

C. R. Das, Joao Pulido

摘要:

一段时间以来,人们已经知道,对观测到的太阳中微子赤字的成熟的LMA解决方案未能预测SuperKamiokande的平坦能谱,而不是数据所表明的。与数据相比,它还导致氯率似乎过高。我们调查可能的解决方案,这些不一致的非标准中微子相互作用,假设他们来作为额外的贡献的$ν_αν_β$和$ν_αe$顶点,影响中微子通过太阳物质的传播和检测。我们发现,在许多非标准耦合的可能性,其中只有一个导致一个平坦的SuperKamiokande光谱率与数据更好地吻合,并预测氯率在1 $σ$内观察到的,同时保持所有其他预测准确。

英文摘要:

It has been known for some time that the well established LMA solution to the observed solar neutrino deficit fails to predict a flat energy spectrum for SuperKamiokande as opposed to what the data indicates. It also leads to a Chlorine rate which appears to be too high as compared to the data. We investigate the possible solution to these inconsistencies with non standard neutrino interactions, assuming that they come as extra contributions to the $ν_αν_β$ and $ν_αe$ vertices that affect both the propagation of neutrinos through solar matter and their detection. We find that, among the many possibilities for non standard couplings, only one of them leads to a flat SuperKamiokande spectral rate in better agreement with the data and predicts a Chlorine rate within 1$σ$ of the observed one, while keeping all other predictions accurate.

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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