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Model-Independent Bottom Baryon Mass Predictions in the 1/N Expansion · Around

2007

Model-Independent Bottom Baryon Mass Predictions in the 1/N Expansion

Jenkins, Elizabeth

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Recent discoveries of the Xi_b, Sigma_b and Sigma_b^* baryons at the Tevatron are in good agreement with model-independent mass predictions made a decade ago based on a combined expansion in 1/N_c, 1/m_Q and SU(3) flavor symmetry breaking.

Using the new experimental data as input, mass predictions for the undiscovered bottom baryons Xi_b^\prime, Xi_b^*, Omega_b and Omega_b^* and for many unmeasured bottom baryon mass splittings are updated.
The observed ground state charm baryons exhibit the mass hierarchy previously predicted by the 1/N_c, 1/m_Q and SU(3) flavor breaking expansion.

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R. F. Dashen, E. E. Jenkins and A. V. Manohar, Phys. Rev. D 49
1995
Earlier work this paper cites.
E. E. Jenkins, Phys. Rev. D 54
1996
Earlier work this paper cites.
E. E. Jenkins, Phys. Rev. D 55
1997
Earlier work this paper cites.

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