Charmed Strange Pentaquarks in the Large $N_c$ Limit

Details Charmed Strange Pentaquarks in the Large $N_c$ Limit Charmed Strange Pentaquarks in the Large $N_c$ Limit

1995-11-03

arxiv.org/abs/hep-ph/9511232v1

Phys.Rev. D53 (1996) 5108-5111

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages in REVTeX, no figures

Scientific paper

10.1103/PhysRevD.53.5108

The properties of pentaquarks containing a heavy anti-quark and strange quarks are studied in the bound state picture. In the flavor SU(3) limit, there are many pentaquark states with the same binding energy. When the SU(3) symmetry breaking effects are included, however, three states become particularly stable due to a ``Gell-Mann--Okubo mechanism''. They are the $\bar Qsuud$ and $\bar Qsudd$ states discussed by Lipkin, and a a previously unstudied $\bar Qssud$ state. These states will have $J^P={1\over2}^+$ and their masses are estimated. These states, if exist, may be seen in experiments in the near future.

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