Article

# Properties of the Effective Hamiltonian for the System of Neutral Kaons

07/2005;
Source: arXiv

ABSTRACT We study the properties of time evolution of the $K^{0}-\bar{K}^{0}$ system in spectral formulation. Within the one--pole model we find the exact form of the diagonal matrix elements of the effective Hamiltonian for this system. It appears that, contrary to the Lee--Oehme--Yang (LOY) result, these exact diagonal matrix elements are different if the total system is CPT--invariant but CP--noninvariant.

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### Keywords

diagonal matrix elements

exact diagonal matrix elements

spectral formulation

time evolution