Possible psi(5S), psi(4D), psi(6S) and psi(5D) signals in Lambda(c)-antiLambda(c)

Abstract

It is shown that the Lambda(c+)-Lambda(c-) signal recently reported by the Belle Collaboration (ARXIV:0807.4458) contains clear signs of the psi(5S) and the psi(4D) c-cbar vector states, and also some indication for the masses and widths of the psi(6S) and psi(5D). Moreover, it is argued that the threshold behaviour of the Lambda(c+)-antiLambda(c-) cross sections suggests the presence of the hitherto undetected psi(3D) state not far below the Lambda(c+)-Lambda(c-) threshold.

11 pages plain LaTeX and 5 figures; version 2: Background contribution removed; much better result; some references added; version 3: discussion on phase space included

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Cited by in corpus (23)

• An overview of $XYZ$ new particles
• Measurement of the e+e- --> D0D*-pi+ cross section using initial-state radiation
• Predictions of charged charmonium-like structures with hidden-charm and open-strange channels
• Re-examining the $X(4630)$ resonance in the reaction $e^{+}{e}^{-}\to {\Lambda }_c^{+}{\bar{\Lambda }}_c^{-}$
• Observation of the $Y(4230)$ and evidence for a new vector charmonium-like state $Y(4710)$ in $e^{+}{e}^{-}\to K_S^0{K}_S^{0}J/\psi$
• Modern meson spectroscopy: the fundamental role of unitarity
• Study on the rare decays of $Y(4630)$ induced by final state interactions
• Exploring open-charm decay mode ${\Lambda }_c{\bar{\Lambda }}_c$ of charmonium-like state $Y(4630)$
• Production of hadron pairs in electron-positron annihilation near the K(+)K(-), D-Dbar, B-Bbar and Lambda(c)(+)-Lambda(c)(-) thresholds
• Theory of hadron decay into baryon-antibaryon final state
• Role of $Y(4630)$ in the $p\bar{p}\to {\Lambda }_c{\bar{\Lambda }}_c$ reaction near threshold
• $e^{+}{e}^{-}\to {\Lambda }_c^{+}{\bar{\Lambda }}_c^{-}$ cross sections and the ${\Lambda }_c^{+}$ electromagnetic form factors within the extended vector meson dominance model
• On the origin of the $Y(4260)$
• A new decay mode of higher charmonium
• Study of structures and dynamical decay mechanisms for multiquark systems
• Possible molecular states from interactions of charmed baryons
• Prediction of charmoniumlike structures in the hidden-charm di-eta decays of higher charmonia
• The electromagnetic form factors and spin polarization of ${\Lambda }_c^{+}$ in the process $e^{+}{e}^{-}\to {\Lambda }_c^{+}{\bar{\Lambda }}_c^{-}$
• Theory of time-like baryon form factors near thresholds
• Explanation of Y(4630) as hadronic resonant state
• Heavy quarkonia: the beauty and the beasts
• Ballistic Lévy walk with rests: Escape from a bounded domain
• Charged charmonium-like structures and the initial single chiral particle emission mechanism