Existing `plastic_scint` is generic. Add specific branded grades EJ-200 (Eljen) and BC-408 (Saint-Gobain) as children. Distinct n=1.58, decay 2.1 ns, emission 425 nm.
Existing
plastic_scintis generic. Add specific branded grades EJ-200 (Eljen) and BC-408 (Saint-Gobain) as children. Distinct n=1.58, decay 2.1 ns, emission 425 nm.