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We explore the possibility of very heavy dibaryons with three charm quarks and three beauty quarks, $bbbccc$, using a constituent model which should drive to the correct solution in the limit of hadrons made of heavy quarks. The six-body problem is treated rigorously, in particular taking into account the orbital, color and spin mixed-symmetry components of the wave function. Unlike a recent claim based on lattice QCD, no bound state is found below the lowest dissociation threshold.
4 pages, to appear in PRL
[PHYS.NUCL] Physics [physics]/Nuclear Theory [nucl-th], wave function, [PHYS.NUCL]Physics [physics]/Nuclear Theory [nucl-th], Nuclear Theory, FOS: Physical sciences, [PHYS.HLAT] Physics [physics]/High Energy Physics - Lattice [hep-lat], dissociation, spin, quark, Nuclear Theory (nucl-th), High Energy Physics - Lattice, High Energy Physics - Phenomenology (hep-ph), heavy quark, constituent, [PHYS.HLAT]Physics [physics]/High Energy Physics - Lattice [hep-lat], High Energy Physics - Lattice (hep-lat), lattice field theory, color, dibaryon: heavy, [PHYS.HPHE] Physics [physics]/High Energy Physics - Phenomenology [hep-ph], bound state, High Energy Physics - Phenomenology, [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph], Elementary Particles and Fields, hadron, charm
[PHYS.NUCL] Physics [physics]/Nuclear Theory [nucl-th], wave function, [PHYS.NUCL]Physics [physics]/Nuclear Theory [nucl-th], Nuclear Theory, FOS: Physical sciences, [PHYS.HLAT] Physics [physics]/High Energy Physics - Lattice [hep-lat], dissociation, spin, quark, Nuclear Theory (nucl-th), High Energy Physics - Lattice, High Energy Physics - Phenomenology (hep-ph), heavy quark, constituent, [PHYS.HLAT]Physics [physics]/High Energy Physics - Lattice [hep-lat], High Energy Physics - Lattice (hep-lat), lattice field theory, color, dibaryon: heavy, [PHYS.HPHE] Physics [physics]/High Energy Physics - Phenomenology [hep-ph], bound state, High Energy Physics - Phenomenology, [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph], Elementary Particles and Fields, hadron, charm
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