Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2009-08-22
Phys. Rev. C80, 035204(1-10), 2009.
Physics
High Energy Physics
High Energy Physics - Phenomenology
Accepted for publication in PRC
Scientific paper
Four-quark states may exist as colorless meson-meson molecules or compact systems with two-body colored components. We derive an analytical procedure to expand an arbitrary four--quark wave function in terms of nonorthogonal color singlet--singlet vectors. Using this expansion we develop the necessary formalism to evaluate the probability of physical components with an arbitrary four-quark wave function. Its application to characterize bound and unbound four--quark states as meson-meson, molecular or compact systems is discussed
Valcarce Aldo
Vijande Javier
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