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oai:docta.ucm.es:20.500.14352/533212023-09-07T17:31:15Zcom_20.500.14352_14col_20.500.14352_21

Llanes Estrada, Felipe José Cotanch, Steve General, Ignacio Wang, Ping 2023-06-20T13:40:22Z 2023-06-20T13:40:22Z 2008 978-0-7354-0554-7 10.1063/1.2973493 https://hdl.handle.net/20.500.14352/53321 http://dx.doi.org/10.1063/1.2973493 http://arxiv.org/abs/0804.3837 http://scitation.aip.org The Coulomb gauge model, involving an effective QCD Hamiltonian in the Coulomb gauge, is applied to scalar hadrons. Mass predictions are presented for both conventional q ¯ q meson and q ¯ qq ¯ q tetra-quark states. Mixing matrix elements between these states were also computed and diagonalized to provide a reasonable description of the scalar spectrum below 2 GeV. eng open access Coulomb gauge approach to scalar hadrons book part