English

Study of $\psi(3686)\rightarrow\Lambda\bar{\Lambda}\omega$

High Energy Physics - Experiment 2022-11-03 v2

Abstract

Based on a data sample of (448.1±2.9)×106(448.1\pm2.9)\times10^6 ψ(3686)\psi(3686) events collected with the BESIII detector at the BEPCII collider, the branching fraction of ψ(3686)ΛΛˉω\psi(3686)\rightarrow\Lambda\bar{\Lambda}\omega is measured to be (3.30±0.34(stat.)±0.29(syst.))×105\rm (3.30\pm0.34(stat.)\pm0.29(syst.))\times10^{-5} for the first time. In addition, the Λω\Lambda\omega (or Λˉω\bar{\Lambda}\omega) invariant mass spectra is studied and the potential presence of excited Λ\Lambda states has been investigated.

Keywords

Cite

@article{arxiv.2207.11666,
  title  = {Study of $\psi(3686)\rightarrow\Lambda\bar{\Lambda}\omega$},
  author = {BESIII Collaboration and M. Ablikim and M. N. Achasov and P. Adlarson and M. Albrecht and R. Aliberti and A. Amoroso and M. R. An and Q. An and X. H. Bai and Y. Bai and O. Bakina and R. Baldini Ferroli and I. Balossino and Y. Ban and V. Batozskaya and D. Becker and K. Begzsuren and N. Berger and M. Bertani and D. Bettoni and F. Bianchi and J. Bloms and A. Bortone and I. Boyko and R. A. Briere and A. Brueggemann and H. Cai and X. Cai and A. Calcaterra and G. F. Cao and N. Cao and S. A. Cetin and J. F. Chang and W. L. Chang and G. Chelkov and C. Chen and G. Chen and H. S. Chen and M. L. Chen and S. J. Chen and T. Chen and X. R. Chen and X. T. Chen and Y. B. Chen and Z. J. Chen and W. S. Cheng and X. Chu and G. Cibinetto and F. Cossio and J. J. Cui and H. L. Dai and J. P. Dai and A. Dbeyssi and R. E. de Boer and D. Dedovich and Z. Y. Deng and A. Denig and I. Denysenko and M. Destefanis and F. De Mori and Y. Ding and J. Dong and L. Y. Dong and M. Y. Dong and X. Dong and S. X. 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  journal= {arXiv preprint arXiv:2207.11666},
  year   = {2022}
}
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