Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2006-10-11
Int.J.Mod.Phys.A22:561-565,2007
Physics
High Energy Physics
High Energy Physics - Phenomenology
4 pages, to appear in the proceedings of 9th International Workshop on Meson Production, Properties and Interaction (Meson2006
Scientific paper
10.1142/S0217751X07035835
We present a generalization of the hyperspherical harmonic formalism to study systems made of quarks and antiquarks of the same flavor. This generalization is based on the symmetrization of the $N-$body wave function with respect to the symmetric group using the Barnea and Novoselsky algorithm. Our analysis shows that four-quark systems with non-exotic $2^{++}$ quantum numbers may be bound independently of the quark mass. $0^{+-}$ and $1^{+-}$ states become attractive only for larger quarks masses.
Barnea Nir
Valcarce Aldo
Vijande Javier
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