Effective production of positronium in a dielectric-metal system
Gol'danskii V.I., Levin B.M., Shantarovich V.P., Agievskii D.A., Landau M.V.
Using high-porosity dielectrics (zeolites) with metallic inclusions as an example, we were able to observe experimentally, for the first time, in metal-containing systems, the long-lived component of the temporal spectrum of positron annihilation, corresponding to positronium production.