Baryon Regge Trajectories in the Light of the 1/Nc Expansion
We analyze Regge trajectories in term the $$1/N_c$$ expansion of QCD. Neglecting spin-orbit contributions to the large $$N_c$$ baryon mass operator, we consider the evolution of the spin-flavor singlet component of the masses with respect $$\ell$$. We find two distinct and remarkably linear Regge trajectories for symmetric and for mixed symmetric spin-flavor multiplets.
- Research Organization:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Sponsoring Organization:
- USDOE - Office of Energy Research (ER)
- DOE Contract Number:
- AC05-84ER40150
- OSTI ID:
- 902741
- Report Number(s):
- JLAB-THY-07-640; DOE/ER/40150-4261; TRN: US0702988
- Journal Information:
- Phys.Lett.B, Vol. 655, Issue 5-6
- Country of Publication:
- United States
- Language:
- English
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