Tri-meson mixing of π–η–η′ and ρ–ω–φ in the light-cone quark model Wen Qian and Bo-Qiang Ma Eur. Phys. J. C, 65 3-4 (2010) 457-465 Published online: 10 December 2009 DOI: 10.1140/epjc/s10052-009-1220-y