Volume 310 -
XVII International Conference on Hadron Spectroscopy and Structure
(Hadron2017) -
Session 4: Exotic states and candidates
Hidden charm pentaquarks and tetraquark states
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Pre-published on:
February 16, 2018
Published on:
March 20, 2018
Abstract
We use the method of QCD sum rules to systematically study the mass spectrum of hidden-charm pentaquarks of spin $J = {1\over2}/{3\over2}/{5\over2}$ and with the quark content $uud c \bar c$. Our results suggest that the $P_c(4380)$ and $P_c(4450)$ can be identified as hidden-charm pentaquark states having $J^P=3/2^-$ and $5/2^+$, respectively.
DOI: https://doi.org/10.22323/1.310.0106
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Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.