对H. V. Klapdor-Kleingrothaus、I. V. Krivosheina和I. V. Titkova“电子稳定性的新实验极限”中统计分析的评论
Comment on the statistical analysis in "A new experimental limit for the stability of the electron" by H.V. Klapdor-Kleingrothaus, I.V. Krivosheina and I.V. Titkova
摘要：
我们指出了Klapdor-Kleingrothaus等人在最近发表的论文中进行的数据统计分析中的明显错误，该论文旨在确定电子衰变为$ν+γ$的稳定性极限。我们重新估计了实验装置对假设电子衰变中发射的256 keV伽马射线的灵敏度，并表明[1]中对电子稳定性和电荷非守恒参数$ε_{eνγ}^{2}$的限制被高估了至少5倍。我们发现Klapdor-Kleingrothaus等人在最近发表的论文[1]中进行的统计分析中存在明显的错误，该分析旨在确定电子衰变为$ν+γ$的稳定性极限。对实验装置对假设电子衰变中发射的256 keV伽马射线的灵敏度进行的重新估计表明，[1]中提出的电子稳定性和电荷非守恒参数$ε_{eνγ}^{2}$的限值被高估了至少5倍。
英文摘要：
We point out the evident errors in statistical analysis of the data, performed by Klapdor-Kleingrothaus et al in recently published paper to establish a limit on the stability of electron with respect to the decay into $ν+γ$. We performed the reestimation of the sensitivity of the experimental setups to the 256 keV gamma emitted in the hypothetical electron decay, and show that in [1] the limits on the electron stability and charge nonconservation parameter $ε_{eνγ}^{2}$ are overestimated by at least a factor of 5. We have revealed evident errors in the statistical analysis, performed by Klapdor-Kleingrothaus et al in a recently published paper [1] to establish a limit on the stability of electron with respect to the decay into $ν+γ$. The performed reestimation of the sensitivity of the experimental setups to the 256 keV gamma emitted in the hypothetical electron decay, has shown that the limits on the electron stability and charge nonconservation parameter $ε_{eνγ}^{2}$ presented in [1], have been overestimated by at least a factor of 5.
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