Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1998-04-16
Phys.Rev. D58 (1998) 025003
Physics
High Energy Physics
High Energy Physics - Phenomenology
Latex, 15 pages, 1 figure, version to appear in Phys. Rev. D
Scientific paper
10.1103/PhysRevD.58.025003
A violation of Local Lorentz Invariance (VLI) and hence the special theory of relativity or a violation of equivalence principle (VEP) in the Kaon system can, in principle, induce oscillations between $K^0$ and $\bar{K}^0$. We construct a general formulation in which simultaneous pairwise diagonalization of mass, momemtum, weak or gravitational eigenstates is not assumed. %and the maximum attainable %velocities of the velocity eigenstates are different. We discuss this problem in a general way and point out that, as expected, the VEP and VLI contributions are indistinguishable. We then insist on the fact that VEP or VLI can occur even when CPT is conserved. A possible CP violation of the superweak type induced by VEP or VLI is introduced and discussed. We show that the general VEP mechanism (or the VLI mechanism, but not both simultaneously), with or without conserved CPT, could be clearly tested experimentally through the energy dependence of the $K_L-K_S$ mass difference and of $\eta_{+-}$, $\eta_{00}$, $\delta$. Constraints imposed by present experiments are calculated.
Hambye Thomas
Mann Robert B.
Sarkar Utpal
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