论文标题

CPT和CP,一对纠缠的夫妇

CPT and CP, an entangled couple

论文作者

Barenboim, Gabriela, Ternes, Christoph A., Tórtola, Mariam

论文摘要

尽管无疑将最新的T2K结果解释为违反CP的证据非常有吸引力,但该主张在尚未进行测试的程度上假设中微子部门的CPT保护。正如我们将显示的那样,T2K结果对CPT侵入性解释不可能。相反,CPT侵略CP支持的情况与当前的中微子振荡数据完全吻合。因此,要阐明T2K结果是否意味着CP或CPT违规至关重要。我们表明,即使将NO $ν$ A的数据和反应堆实验结合在一起,也无法对CP违规行为提出任何要求。最后,我们更新了中微子部门中CPT违规的界限。

Even though it is undoubtedly very appealing to interpret the latest T2K results as evidence of CP violation, this claim assumes CPT conservation in the neutrino sector to an extent that has not been tested yet. As we will show, T2K results are not robust against a CPT-violating explanation. On the contrary, a CPT-violating CP-conserving scenario is in perfect agreement with current neutrino oscillation data. Therefore, to elucidate whether T2K results imply CP or CPT violation is of utter importance. We show that, even after combining with data from NO$ν$A and from reactor experiments, no claims about CP violation can be made. Finally, we update the bounds on CPT violation in the neutrino sector.

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