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  • Open Access

Decay and production properties of a strange double-charm pentaquark

Zi-Yan Yang1,2,3,* and Wei Chen4,5,†

  • 1School of Mechanical Engineering and Robotic Engineering, Guangzhou City University of Technology, Guangzhou 510800, China
  • 2Key Laboratory of Atomic and Subatomic Structure and Quantum Control (MOE), Guangdong Basic Research Center of Excellence for Structure and Fundamental Interactions of Matter, Institute of Quantum Matter, South China Normal University, Guangzhou 510006, China
  • 3Guangdong-Hong Kong Joint Laboratory of Quantum Matter, Guangdong Provincial Key Laboratory of Nuclear Science, Southern Nuclear Science Computing Center, South China Normal University, Guangzhou 510006, China
  • 4School of Physics, Sun Yat-sen University, Guangzhou 510275, China
  • 5Southern Center for Nuclear-Science Theory (SCNT), Institute of Modern Physics, Chinese Academy of Sciences, Huizhou 516000, Guangdong Province, China

  • *Contact author: yangzh@gcu.edu.cn
  • †Contact author: chenwei29@mail.sysu.edu.cn
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Phys. Rev. D 113, 054021 – Published 16 March, 2026

DOI: https://doi.org/10.1103/31lx-524s

Abstract

In this work, we investigate the decay and production properties of the strange double-charm pentaquark Pccs++ with strangeness S=−1. Building upon our previous work predicting its JP=1/2− molecular configuration, we employ three-point QCD sum rules to calculate its strong decay widths and estimate its production branching ratio via Ξbc+ baryon decays. The total strong decay width to the ΞccK¯ and Ωccπ final-state channels is determined as 85±19  MeV. Furthermore, using a rescattering mechanism, we analyze the Ξbc+→Ds*−Ξcc++→D−Pccs++ process and estimate the production branching ratio to be Br(Ξbc+→D−Pccs++)=(4.3−1.5+2.0)×10−6. The relatively narrow width and detectable branching ratio suggest the possibility searching for this pentaquark state in the future.

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Phys. Rev. D 113, 054021– Published 16 March, 2026
  • Received 17 November 2025
  • Accepted 5 February 2026
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