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$1/m_Q$ and $1/N_c$ Expansions for Excited Heavy Baryons with Light Quarks in the Spin-Flavor Symmetric Representation | | Jong-Phil Lee
; Chun Liu
; H. S. Song
; | | Date: |
23 Jun 2000 | | Journal: | Phys.Rev. D62 (2000) 096001 | | Subject: | hep-ph | | Affiliation: | Seoul Natl. Univ.), Chun Liu (ITP, Beijing) and H. S. Song (Seoul Natl. Univ. | | Abstract: | The mass spectrum of the L=1 orbitally excited heavy baryons with light quarks in the spin-flavor symmetric representation is studied by the $1/N_c$ expansion method in the framework of the heavy quark effective theory. The mixing effect from the baryons in the mixed representation is considered. The general pattern of the spectrum is predicted which will be verified by the experiments in the near future. The $1/m_Q$ and SU(3) corrections are also considered. Mass relations for the baryons $Lambda_{c1}^{(*)}$, $Sigma_{c1}^{(*)}$, $Xi_{c1}^{(’)(*)}$, and $Omega_{c1}^{(*)}$ are derived. | | Source: | arXiv, hep-ph/0006267 | | Services: | Forum | Review | PDF | Favorites | |
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