Conventional and XYZ charmonium states in a relativistic screened potential model

Document Type

Article

Publication Title

Physical Review D

Abstract

In this work a comprehensive analysis of the mass spectrum and decay properties of charmonium states within a relativistic framework is carried out. The present experimental status of charmonium states is reviewed. Utilizing a screened potential model, we compute the spectra and various decay widths for the cc¯ bound system, comparing our results with experimental data and existing theoretical models. We calculate the decay constants, E1 and M1 transitions, and annihilation decay widths, confirming the consistency of our model with experimental observations for well-established charmonium states. The interpretation of charmoniumlike states X(4140), X(4274), and X(4500) as P-wave charmonium states and ψ(4040), ψ(3770), ψ(4160), ψ(4230), ψ(4360), ψ(4415), Y(4500), and Y(4360) as S-D mixed charmonium states is carried out.

DOI

10.1103/PhysRevD.111.014030

Publication Date

1-1-2025

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