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Tetraquarks with colour-blind forces in chiral quark models
PHYSICS LETTERS B, no. 1-2 (1997): 119-123
Abstract
We discuss the stability of multiquark systems within the recent model of Glozman et al. where the chromomagnetic hyperfine interaction is replaced by pseudoscalar meson exchange contributions. We find that such an interaction binds a heavy tetraquark systems QQ<(qq)over bar> (Q = c, b and q = u, d) by 0.2-0.4 GeV. This is at variance wit...More
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