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Analysis of the triply-charmed pentaquark states with QCD sum rules

Author:
Wang, Zhi-Gang  


Journal:
EUROPEAN PHYSICAL JOURNAL C


Issue Date:
2018


Abstract(summary):

In this article, we construct the scalar-diquark-scalar-diquark-antiquark type current to study the ground state triply-charmed pentaquark states with the QCD sum rules. We separate the contributions of the negative-parity and positive-parity triply-charmed pentaquark states explicitly, and take the energy scale formula mu =3D root M-P(2) - (3M(c))(2) to determine the optimal energy scales of the QCD spectral densities. The predicted pentaquark masses can be confronted to the experimental data in the future.


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