PoS - Proceedings of Science
Volume 445 - 21st Conference on Flavor Physics and CP Violation (FPCP2023) - Exotic quarkonium-like states and pentaquarks
Theory of the (Heavy-Quark) Exotic Hadrons: A Primer for the Flavor Community
R. Lebed
Full text: pdf
Pre-published on: July 31, 2023
Published on: November 14, 2023
Scores of exotic hadrons, particularly tetraquarks and pentaquarks in the heavy-quark sector, have been observed in the past 20 years, and more continue to be discovered to this day. Unlike mesons and baryons, such exotics are not mandated to exist under our current understanding of QCD, meaning that each new discovery presents fresh insights into the expansive possibilities of strong-interaction physics. Even the basic architecture of these multiquark states remains an open question. Here we discuss the merits and deficiencies of their best-known dynamical descriptions, recognizing that the eventual universal model for exotics will almost certainly require the synthesis of more than one fundamental paradigm.
DOI: https://doi.org/10.22323/1.445.0028
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