Heavy Antiquark Pentaquarks in the CM and GB Models

Details Heavy Antiquark Pentaquarks in the CM and GB Models Heavy Antiquark Pentaquarks in the CM and GB Models

2004-12-22

arxiv.org/abs/hep-ph/0412327v1

Int.J.Mod.Phys. A20 (2005) 1977-1980

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages. Prepared for the Proceedings of MENU'04, Beijing, Aug. 29-Sept. 04, 2004

Scientific paper

10.1142/S0217751X05023773

The splittings between positive parity pentaquarks containing a single heavy (c,b) antiquark and four light (u,d) quarks are investigated in models having spin-dependent interactions generated by either effective Goldstone boson exchange or effective color magnetic exchange. Model-independent features of these splittings are emphasized. Overlaps to the ``fall-apart'' decay configurations ND, ND* or NB, NB*, relevant to decay couplings for the various 2-body pentaquark decays, are also computed.

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