Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2008-02-25
Phys. Lett. B 649 (2007) 417
Physics
High Energy Physics
High Energy Physics - Phenomenology
11 pages
Scientific paper
10.1016/j.physletb.2007.04.025
In this work we show that the existence of a complete biorthonormal set of eigenvectors of the effective Hamiltonian governing the time evolution of neutral meson system is a necessary condition for diagonalizability of such a Hamiltonian. We also study the possibility of probing the $CPT$ invariance by observing the time dependence of cascade decays of type $P^{\circ}(\bar{P^{\circ}})\to \{M_a,M_b\}X\to fX$ by employing such basis and exactly determine the $CPT$ violation parameter by comparing the time dependence of the cascade decays of tagged $P^{\circ}$ and tagged $\bar{P^{\circ}}$.
Gomshi Nobary M. A.
Mojaveri B.
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