arXiv · hep-ph/9506297
Incompatibility of different customary kaon phase convention
Abstract
The conventions that Wu and Yang assumed for the kaon phases in the context of $CP$ symmetrical two-pion decay channels fix the relative kaon phase. This fact, apparently not emphasized sufficiently in the past, has recently been overlooked by Hayakawa and Sanda. In particular, Wu and Yang fix the relative phase to a different value than the one resulting from the convention $CP|K^{0}\rangle = |\overline{K^{0}}\rangle$. The difference between the two values is made up of possible contributions from $CPT$- and direct $CP$-violations during the decay of a kaon into a two-pion state of isospin zero.
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Wolfgang J. Mantke. 1995-06-12. Incompatibility of different customary kaon phase convention. https://arxiv.org/abs/hep-ph/9506297
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