Space-dependent probabilities for K0−K0¯ oscillations
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Ancochea, B.; et al. Space-dependent probabilities for K0−K0¯ oscillations. Physics Letters B, 389(1): 149-156 (1996). [http://hdl.handle.net/10481/29070]
PatrocinadorThis paper has been partially supported by CICYT contracts AEN94-936 and AEN95-815 and EURODAPHNE, HCHP, EEC contract no. CHRX-CT 920026. R.M.T. acknowledges a E.C post-doctoral fellowship ERBC HBCICT-941777.
We analyze K0−K0¯ oscillations in space in terms of propagating wave packets with coherent KS and KL components. The oscillation probabilities PK0→K0(x) and PK0→K0¯(x) depending only on the distance x, are defined through the time integration of a current density j(x,t) . The definition is such that it coincides with the experimental setting, thus avoiding some ambiguities and clarifying some controversies that have been discussed recently.