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Implication of the Existence of JPC=0−− D¯sDK Bound State on the Nature of Ds0*(2317), and a New Configuration of Exotic State

Tian-Wei Wu1, Ming-Zhu Liu2,3,*, and Li-Sheng Geng4,5,6,7,8,†

  • 1School of Science, Shenzhen Campus of Sun Yat-sen University, Shenzhen 518107, China
  • 2Frontiers Science Center for Rare Isotopes, Lanzhou University, Lanzhou 730000, China
  • 3School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China
  • 4School of Physics, Beihang University, Beijing 102206, China
  • 5Sino-French Carbon Neutrality Research Center, École Centrale de Pékin/School of General Engineering, Beihang University, Beijing 100191, China
  • 6Peng Huanwu Collaborative Center for Research and Education, Beihang University, Beijing 100191, China
  • 7Beijing Key Laboratory of Advanced Nuclear Materials and Physics, Beihang University, Beijing 102206, China
  • 8Southern Center for Nuclear-Science Theory (SCNT), Institute of Modern Physics, Chinese Academy of Sciences, Huizhou 516000, China

  • *Contact author: liumz@lzu.edu.cn
  • †Contact author: lisheng.geng@buaa.edu.cn
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Phys. Rev. Lett. 135, 031902 – Published 16 July, 2025

DOI: https://doi.org/10.1103/3gbb-ms8c

Abstract

The discovery of numerous new hadrons over the past two decades has provided unprecedented opportunities to understand the nonperturbative QCD and hadron structure. The hadronic molecule picture plays an important role in explaining these new hadrons and enriching the configurations of exotic hadronic states. In this Letter, using the model-independent DK potential extracted from the relevant experimental data, a JPC=0−− D¯sDK three-body hadronic molecule is predicted with a mass of 4310−24+14  MeV. This state shows decoupling to conventional cc¯ charmonia or the D¯sDs0*(2317) two-body molecular state. It can be regarded as a compelling three-body hadronic molecular candidate. We further demonstrate that the B+→D*±D∓K+ decays could be promising channels for searching for the predicted state in future high-luminosity LHCb runs.

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Phys. Rev. Lett. 135, 031902– Published 16 July, 2025
  • Received 26 March 2025
  • Revised 25 June 2025
  • Accepted 2 July 2025
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