Hidden-charm decays of X(3915) and Z(3930) as the P-wave charmonia

2013/11/30 by Dian-Yong Chen, Xiang Liu, Takayuki Matsuki
Physics and Astronomy · #Charm (quantum number) #Combinatorics #High-Energy Particle Collisions Research #Invariant mass #Omega #Particle physics #Particle physics theoretical and experimental studies #Physics #Prime (order theory) #Quantum Chromodynamics and Particle Interactions #Quantum mechanics #hep-ph

paper · pdf · doi:10.1093/ptep/ptv038

published as Prog. Theor. Exp. Phys. 2015, 043B05 · 5 pages, 3 figures and 1 table

openalex publication_date 2015/04/07 · arxiv created 2015/04/09 · arxiv updated 2015/04/10 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

In this work, we investigate the |X(3915)| and |Z(3930)| decays into |J/ψ ω| with the |χ _c0^′ (2P)| and |χ _c2^′ (2P)| assignments to |X(3915)| and |Z(3930)|⁠, respectively. The results show that the decay width of |Z(3930)→ J/ψ ω| is at least one order smaller than that of |X(3915)→ J/ψ ω|⁠. This observation explains why only one structure, |X(3915)|⁠, has been observed in the |J/ψ ω| invariant mass spectrum for the process |γ γ → J/ψ ω|⁠.

Citations

• The hidden charm decay of X(3872),Y(3940) and final state interaction effects
• Understanding the branching ratios ofχc1→ϕϕ,ωω,ωϕobserved at BES-III
• J/ψabsorption byπandρmesons in a meson exchange model with anomalous parity interactions
• Understanding the newly observed Y(4008) by Belle
• The puzzle of excessive non-DD¯ component of the inclusive ψ(3770) decay and the long-distant contribution
• Two-photon decays of mesons in a relativistic quark model
• Nonfactorizable contributions inBdecays to charmonium: The case ofB−→K−hc
• Two-body open charm decays ofZ+(4430)