Possible deuteronlike molecular states composed of heavy baryons
N Lee, ZG Luo, XL Chen, SL Zhu - Physical Review D—Particles, Fields …, 2011 - APS
N Lee, ZG Luo, XL Chen, SL Zhu
Physical Review D—Particles, Fields, Gravitation, and Cosmology, 2011•APSWe perform a systematic study of the possible loosely bound states composed of two
charmed baryons or a charmed baryon and an anticharmed baryon within the framework of
the one-boson-exchange model. We consider not only the π exchange but also the η, ρ, ω,
ϕ, and σ exchanges. The SD mixing effects for the spin triplets are also taken into account.
With the derived effective potentials, we calculate the binding energies and rms radii for the
systems Λ c Λ c (Λ¯ c), Ξ c Ξ c (Ξ¯ c), Σ c Σ c (Σ¯ c), Ξ c′ Ξ c′(Ξ¯ c′), and Ω c Ω c (Ω¯ c) …
charmed baryons or a charmed baryon and an anticharmed baryon within the framework of
the one-boson-exchange model. We consider not only the π exchange but also the η, ρ, ω,
ϕ, and σ exchanges. The SD mixing effects for the spin triplets are also taken into account.
With the derived effective potentials, we calculate the binding energies and rms radii for the
systems Λ c Λ c (Λ¯ c), Ξ c Ξ c (Ξ¯ c), Σ c Σ c (Σ¯ c), Ξ c′ Ξ c′(Ξ¯ c′), and Ω c Ω c (Ω¯ c) …
We perform a systematic study of the possible loosely bound states composed of two charmed baryons or a charmed baryon and an anticharmed baryon within the framework of the one-boson-exchange model. We consider not only the exchange but also the , , , , and exchanges. The mixing effects for the spin triplets are also taken into account. With the derived effective potentials, we calculate the binding energies and rms radii for the systems , , , , and . Our numerical results indicate that (1) the -dibaryonlike state does not exist and (2) there may exist four loosely bound deuteronlike states for the and systems with small binding energies and large rms radii.
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