评“研究中微子质量差的GSI方法--供行人参考”
Comment on "The GSI method for studying neutrino mass differences - For Pedestrians"
摘要:
有人建议,在GSI储存环中循环的类H离子的弱衰变的时间振荡的报告可以解释由母离子的波函数的两个不同的动量分量之间的干扰。在这个模型中,干涉被认为是通过这两个动量分量与衰变态电子中微子波函数中的两个质量分量的耦合而产生的。我在这里表明,量子力学不允许这样的干扰,以有助于报告的衰减率的振荡。核心问题是,储存环太小了一百万倍,不允许母离子的波函数产生所需的干扰效应。这篇文章取代了较早的arXiv文章,这些文章不太一般,也不太严格。
英文摘要:
It has been suggested that the reported temporal oscillations in the weak decay of H-like ions circulating in the GSI storage ring may be accounted for by interference between two different momentum components of the wave function of the parent ions. In that model, the interference is said to come about through coupling of those two momentum components to the two mass components in the wave function of the electron neutrino in the decayed state. I show here that quantum mechanics allows no such interference to contribute to the reported oscillation of the decay rate. The central issue is that the storage ring is a million times too small to allow the parent ion's wave function to produce the needed interference effect. This note supersedes earlier arXiv postings that were less general and less rigorous.
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