Could there be a more direct proof of multiquark configuration?

Measure v2 in heavy ion collisions

X(3872): J/y p+ pZ(4430): y p+Z1,Z2 : cc1 p+ Scalar nonetFuture heavy ion can look at v2 of the following

Could there be a more direct proof of multiqurk configuration?

Measure Tcc at Belle ? 3800 MeV explicitly exotic

Z. Zouzou, B. Silverstre-Brac, C. Gilgnooux, J Richard (86), D. Janc, M. Rosina (04), Y. Cui, S. L. Zhu (07)QCD sum rules: F Navarra, M.Nielsen, SHLee, PLB 649, 166 (2007) simple quark model: SHL, S. Yasui, W.Liu, C Ko EPJ C54, 259 (2008)

Why 1+ (Tcc)For a Tetraquark sudsFor the K and K* meson suds

Belle: PRL 98, 082001 (07) e+ e- J/y + X(3904) D D*