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PreprintCC BY 4.0arXiv

ψ(3S) and ηc(3S) production in the B+ decay processes

  • Zhuo Yu
  • Qi Wu
  • Man-Yu Duan
  • Zhou Rui
  • Dian-Yong Chen
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Abstract

In the present work, we investigate the production of psi(4040) in the B+ -> K+ psi(4040) process. Our estimations indicate that the unexpectedly large branching fraction could be well reproduced by taking both the short-range perturbative and long-range non-perturbative QCD contributions into account, where the long-range non-perturbative part plays an important role. Considering the structural similarity of eta_c(3S) and psi(3S), we apply the same model parameters to investigate the production of eta_c(3S) in the B+ decay process, and the branching fraction is predicted to be (0.81 +0.31 -0.29) x 10^-3. Based on the estimations in the present work and the relevant experimental measurements, we suggest that the experimentalists search for eta_c(3S) in the J/psi omega invariant mass distributions of B+ -> J/psi omega K+ process at Belle II and LHCb Collaborations.

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Cite

BibTeXRIS
BibTeX
@misc{yu2026ψ3s,
  title = {{$ψ(3S)$ and $η_c(3S)$ production in the $B^+$ decay processes}},
  author = {Zhuo Yu and Qi Wu and Man-Yu Duan and Zhou Rui and Dian-Yong Chen},
  howpublished = {arXiv},
  year = {2026},
  month = oct,
  doi = {10.48550/arxiv.2610.23273},
  eprint = {2610.23273},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2610.23273},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - ψ(3S) and η_c(3S) production in the B^+ decay processes
AU  - Zhuo Yu
AU  - Qi Wu
AU  - Man-Yu Duan
AU  - Zhou Rui
AU  - Dian-Yong Chen
PY  - 2026
DA  - 2026/10/16
PB  - arXiv
DO  - 10.48550/arxiv.2610.23273
UR  - https://arxiv.org/abs/2610.23273
AB  - In the present work, we investigate the production of psi(4040) in the B+ -> K+ psi(4040) process. Our estimations indicate that the unexpectedly large branching fraction could be well reproduced by taking both the short-range perturbative and long-range non-perturbative QCD contributions into account, where the long-range non-perturbative part plays an important role. Considering the structural similarity of eta_c(3S) and psi(3S), we apply the same model parameters to investigate the production of eta_c(3S) in the B+ decay process, and the branching fraction is predicted to be (0.81 +0.31 -0.29) x 10^-3. Based on the estimations in the present work and the relevant experimental measurements, we suggest that the experimentalists search for eta_c(3S) in the J/psi omega invariant mass distributions of B+ -> J/psi omega K+ process at Belle II and LHCb Collaborations.
ER  -