Are there quasistable strange baryons with anticharm or antibeauty?

Details Are there quasistable strange baryons with anticharm or antibeauty? Are there quasistable strange baryons with anticharm or antibeauty?

1998-05-31

arxiv.org/abs/hep-ph/9806208v1

J.Phys.G24:2065-2071,1998

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, plaintex, no figures

Scientific paper

10.1088/0954-3899/24/11/008

In some models, exotic baryons with strangeness and anticharm or antibeauty should exist and even be stable against strong decay. We consider the stability of such possible exotic baryons, which in the constituent quark picture are called pentaquarks (each is composed of four quarks and an antiquark). Our model is based on diquark clustering and supersymmetry in hadrons, and assumes that the spin-dependent force between quarks arises from one-gluon exchange. In the model, a pentaquark with strangeness and anticharm can decay strongly, but an analogous pentaquark with an antibeauty quark is stable except for weak decay.

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