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The updated results of the precise measurements of the processes e + S performed by the CMD-2 collaboration are presented. The update appeared necessary due an overestimate of the integrated luminosity in previous analyses. 1 deceased-e + e τ , µ e, H H τ , µ e, a) b) Fig. 1. Diagrams of the vacuum polarization contribution to the e + e − → e + e − cross(More)
Traditional wave kinetics describes the slow evolution of systems with many degrees of freedom to equilibrium via numerous weak non-linear interactions and fails for very important class of dissipative (active) optical systems with cyclic gain and losses, such as lasers with non-linear intracavity dynamics. Here we introduce a conceptually new class of(More)
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