Following Weinberg's argument that narrow tetraquark mesons are not precluded in large Nc QCD, we explore the flow of Nc factors needed for the consistency of this picture and show that they must arise in a novel way, not simply through the usual combinatoric counting.
|Original language||English (US)|
|Journal||Physical Review D - Particles, Fields, Gravitation and Cosmology|
|State||Published - Sep 30 2013|
ASJC Scopus subject areas
- Nuclear and High Energy Physics
- Physics and Astronomy (miscellaneous)