The Ξ_Q - Ξ_Q' Mixing and Heavy Baryon Masses

Details The Ξ_Q - Ξ_Q' Mixing and Heavy Baryon Masses The Ξ_Q - Ξ_Q' Mixing and Heavy Baryon Masses

1996-05-13

arxiv.org/abs/hep-ph/9605289v3

Prog.Theor.Phys. 96 (1996) 659-664

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages LaTeX

Scientific paper

10.1143/PTP.96.659

We examine the $\Xi_Q - \Xi'_Q$ mixing and heavy baryon masses in the heavy quark effective theory with the $\mq$ corrections. In the conventional baryon assignment, we obtain the mixing angle $\cos^2 \theta = 0.87\pm 0.03$ in virtue of the Gell-Mann-Okubo mass relation. On the other hand, if we adopt the new baryon assignment given by Falk, the allowed region of the $\Sigma_c$ mass is upper from 2372 MeV.

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