D.V. Pivovarov’s Concept of the Ideal as the Basis of Modern Theory of Fine ArtsThe article reveals the methodological principles of the Russian researcher D.
V. 
Pivovarov’s
 Hybrid scheme of positron source at SPARC_LAB LNF facility for the positron energy range of 1 ÷ 3 Me
V. It is shown that the radiation from 200 Me
V electrons (parameters