关于中微子振荡长度推导中的超相对论近似、不可观测相位和其它问题
On ultra-relativistic approximations, unobservable phases and other hand-waving in the derivation of the neutrino oscillation length
摘要：
在过去几年中，一个传播的大质量粒子的相位的错误推导一再出现，它的优点是再次导致平面波形式主义中描述的振荡中微子的质量本征态之间的相位差的重要问题。在一些简单的计算中指出了严重的原则错误，并且以一种允许表明标准结果在极端相对论情况下可能遭受但微小变化的方式导出了振荡长度。
英文摘要：
A wrong derivation of the phase of a propagating massive particle which has repeatedly appeared during the last years has the advantage of leading once more to the important question of the phase difference between the mass eigenstates constitutive of an oscillating neutrino described in the plane wave formalism. Serious errors of principle are pointed at in a number of simple calculations and the oscillation length is derived in a way which allows to show that the standard result can suffer but minute variations in the ultrarelativistic case.
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