tétraquark

[2005] Exotica ; R.L. Jaffe ; Physics Reports 409 (2005) p. 1 [lien]
[2007] Glueballs, hybrids, multiquarks: Experimental facts versus QCD inspired concepts ; Eberhard Klempt ; Alexander Zaitsev ; Physics Reports 454 (2007) p. 1 [lien]
[2014] [Quick Study] Exotic particles with four or more quarks ; Stephen Lars Olsen ; Physics Today 67 (sep 2014) p. 56 [lien]