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arXiv · hep-ph/9712480

The Quantum Field Theory of the Kaon Oscillations

D. Cocolicchio·M. Viggiano
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Abstract

We consider the covariant formulation of the kaon mixing in the context of the propagator method. It results important to check the possibility of a sizable effect in the vacuum regeneration of kaons. We discuss all those terms which may give relevant contributions to modify the exponential decay law of the Wigner-Weisskopf narrow width approximation. Moreover, we examine the characteristic structure of the complex singularities of the matrix propagator and we provide a generalized form of the Bell-Steinberger unitarity sum rule.

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D. Cocolicchio, M. Viggiano. 1997-12-22. The Quantum Field Theory of the Kaon Oscillations. https://doi.org/10.1007/bf03035877

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