par Courbage, Maurice ;Durt, Thomas;Saberi Fathi, Seyed Majid
Référence Physics letters. A, 362, 2-3, page (100-104)
Publication Publié, 2007-02
Article révisé par les pairs
Résumé : In the present Letter, we study in the framework of the Friedrichs model the evolution of a two-level system coupled to a continuum. This unitary evolution possesses a non-unitary component with a non-Hermitian effective Hamiltonian. We show that this model is well adapted in order to describe kaon phenomenology (oscillation, regeneration) and leads to a CP violation, although in this case the prediction is not quantitatively quite satisfying. © 2006 Elsevier B.V. All rights reserved.

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