A variational fit to the lattice energy of two heavy - light mesons
نویسندگان
چکیده
A variational fit to the lattice energy of two heavy-light mesons Abstract Recent lattice calculations on the interaction energy of two heavy-light mesons (Q 2 ¯ q 2) are interpreted in terms of the potential of the corresponding single heavy-light meson (Q¯ q). This model leads to a large overestimate of the binding compared with the lattice data – unless the basic Q¯ q potential is modified to become a four-quark potential.
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