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    • Prediction of Pcc States in a Quark Model

    Ye Yan,Hongxia Huang,Xinmei Zhu,Jialun Ping

    PHYSICAL REVIEW D（2024）

    Nanjing Normal University School of Physics and Technology | Yangzhou University Department of Physics

    Cited 0|Views8
    Abstract
    Inspired by the observation of hidden-charm pentaquark P c and P cs states by the LHCb Collaboration, we explore the qqccc (q = u or d ) pentaquark systems in the quark delocalization color screening model. The interaction between baryons and mesons and the influence of channel coupling are studied in this work. Three compact qqccc pentaquark states are obtained, whose masses are 5259 MeV with I(JP) = 0(1=2-), 5396 MeV with I(JP) = 1(1=2-), and 5465 MeV with I(JP) = 1(3=2-). Two molecular states are obtained, which are I(JP) = 0(1=2-)AcJ=jr with 5367 MeV and I(JP) = 0(5=2-) * cc experimental search. D * with 5690 MeV. These predicted states may provide important information for future
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    parton distributions
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    【要点】：本文通过使用夸克非定域色屏蔽模型，探讨了qqccc (q = u 或 d) 五夸克系统，并成功预测了五夸克态的质量及特性，为实验搜索提供了重要信息。
    

    【方法】：文章运用了夸克非定域色屏蔽模型，研究了重子与介子之间的相互作用及通道耦合的影响。
    

    【实验】：通过模型计算，获得了三个紧凑型qqccc五夸克态，质量分别为5259 MeV、5396 MeV和5465 MeV，以及两个分子态，质量分别为5367 MeV和5690 MeV。这些预测的状态为未来的实验搜索提供了依据。文章未提及具体的数据集名称。
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