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  • Open Access

Fully heavy pentaquark states from QCD sum rules

Zheng-Lei Jing and Jian-Rong Zhang*

  • *Contact author: jrzhang@nudt.edu.cn
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Phys. Rev. D 112, 074003 – Published 3 October, 2025

DOI: https://doi.org/10.1103/xf26-q1zj

Abstract

In this work, we systematically investigate the mass spectra of fully heavy pentaquark states QQQQQ¯ within the framework of QCD sum rules. Employing three configurations of interpolating currents, we obtain the following mass predictions: for the ccccc¯ states, the masses are determined to be 7.79−0.17+0.18  GeV, 7.76−0.18+0.23  GeV, 7.81−0.18+0.17  GeV, while for the bbbbb¯ states, the corresponding masses are calculated as 22.35±0.19  GeV, 22.27±0.22  GeV, 22.37−0.20+0.18  GeV, respectively.

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Phys. Rev. D 112, 074003– Published 3 October, 2025
  • Received 24 July 2025
  • Accepted 15 September 2025
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Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.

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