The Production and Decay of Heavy Dimesons

Physics – High Energy Physics – High Energy Physics - Phenomenology

Scientific paper

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Talk presented at II International Workshop on Hadron Physics, 25-29 September 2002, Coimbra, Portugal. 9 pages LaTeX

Scientific paper

10.1063/1.1570587

We show that it is necessary to go beyond a single hadron (beyond the quark-antiquark or three-quark systems) in order to distinguish the colour structure of the effective quark-quark interaction and the relevance of 3-body forces. We critically discuss the proposed models which suggest the dimeson bb\bar{u}\bar{d} to be bound by ~ 100 MeV and the cc\bar{u}\bar{d} dimeson to be unbound. Only experiment can judge. We estimate the probability of producing bb-\bar{u}\bar{d} at LHC by double gluon-gluon fusion and search for a characteristic decay.

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