2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/48564We consider the production of ultrarelativistic parapositronium and orthopositronium atoms in collisions of high energy electrons with laser photons. Our results demonstrate the opportunity of intensive positronium beam formation with Lorentz-factor 10^6 using laser beam conversion on high energy electrons at the future Electron Linear Accelerators.LaTex, 6 pages plus 6 figures using psfig.sty. Talk was presented at Conference "Fundamental interactions of elementary particles", ITEP, Moscow, November 16-20, 1998High Energy Physics - Phenomenologytext