Exotic meson-meson molecules and compact four-quark states
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Exotic meson-meson molecules and compact four-quark states

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Exotic meson-meson molecules and compact four-quark states

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Vijande Asenjo, Javier Perfil; Valcarce Mejía, Alfredo; Barnea, Nir
Aquest document és un/a article, creat/da en: 2009
We present an exact calculation of S and P wave QQ(n)over bar(n)over bar states using different standard nonrelativistic quark-quark potentials. We explore in detail the charm and bottom sectors looking for bound states that could be measured within existing facilities. Against the proliferation of four-quark states sometimes predicted in the literature, we found a small number of candidates to be stable. We analyze their properties in a trial to distinguish between compact and molecular states. Possible decay modes are discussed.

    Vijande Asenjo, Javier Valcarce Mejía, Alfredo Barnea, Nir 2009 Exotic meson-meson molecules and compact four-quark states Physical Review D 79 7 074010-1 074010-15
http://dx.doi.org/10.1103/PhysRevD.79.074010
distribuït sota llicència Creative Commons de Reconeixement-NoComercial 3.0 No adaptada

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