PoS - Proceedings of Science
Volume 336 - XIII Quark Confinement and the Hadron Spectrum (Confinement2018) - C: Heavy quarks
The mixing of hybrids with quarkonia
J. Soto
Full text: pdf
Pre-published on: September 12, 2019
Published on: September 26, 2019
We report on an effective field theory calculation of the lower lying heavy hybrid spectrum, which includes mixing with heavy quarkonium states as a novel feature. Spin zero (one) hybrids turn out to mix with spin one (zero) quarkonia, which is intrumental to explain apparent spin symmetry violating decays of certain XYZ resonances that have been identified as hybrid states. We also present some model independent results for the hiperfine splittings.
DOI: https://doi.org/10.22323/1.336.0130
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