反冲离子干扰下中微子质量差和中微子混合矩阵的非么正性
Neutrino Mass Differences and Nonunitarity of Neutrino Mixing Matrix from Interfering Recoil Ions
摘要：
我们表明，最近观察到的时间调制的两体弱衰变的重离子揭示了质量含量的电子中微子通过干涉图案反冲离子波函数。由调制周期导出了质量平方差$ Δm^2\approx 22.5\times 10^{-5}$ eV ${}^2$，比KamLAND和太阳中微子振荡实验的结果大2.8倍。然而，它与KamLAND分析认为概率较小的数据制度是兼容的。实验结果表明中微子混合矩阵违反幺正性约10%。
英文摘要：
We show that the recent observation of the time modulation of two-body weak decays of heavy ions reveals the mass content of the electron neutrinos via interference patterns in the recoiling ion wave function. From the modulation period we derive the difference of the square masses $ Δm^2\approx 22.5\times 10^{-5}$ eV${}^2$, which is about 2.8 times larger than that derived from a combined analysis of KamLAND and solar neutrino oscillation experiments. It is, however, compatible with a data regime to which the KamLAND analysis attributes a smaller probability. The experimental results imply that the neutrino mixing matrix violates unitarity by about 10%.
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