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PreprintCC BY 4.0arXiv

Meson spectroscopy from lattice QCD

  • Andrew W. Jackura
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Abstract

Determining the meson spectrum directly from Quantum Chromodynamics (QCD) remains a central challenge, since QCD is strongly coupled at low energies and most excited states appear as resonances in hadronic decay channels. Advances in lattice QCD and scattering theory now provide a systematic framework for extracting meson spectra and resonance properties from first principles. Here I present an overview of this program and review current state-of-the-art calculations in meson spectroscopy from lattice QCD. I highlight recent progress in the extraction of resonant and coupled-channel amplitudes, along with frontier developments in three-body dynamics and the determination of meson photo-couplings. Together, these advances are bringing us closer to a comprehensive first-principles description of the excited meson spectrum.

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Cite

BibTeXRIS
BibTeX
@misc{jackura2026meson,
  title = {{Meson spectroscopy from lattice QCD}},
  author = {Andrew W. Jackura},
  howpublished = {arXiv},
  year = {2026},
  month = oct,
  doi = {10.48550/arxiv.2610.42037},
  eprint = {2610.42037},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2610.42037},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - Meson spectroscopy from lattice QCD
AU  - Andrew W. Jackura
PY  - 2026
DA  - 2026/10/30
PB  - arXiv
DO  - 10.48550/arxiv.2610.42037
UR  - https://arxiv.org/abs/2610.42037
AB  - Determining the meson spectrum directly from Quantum Chromodynamics (QCD) remains a central challenge, since QCD is strongly coupled at low energies and most excited states appear as resonances in hadronic decay channels. Advances in lattice QCD and scattering theory now provide a systematic framework for extracting meson spectra and resonance properties from first principles. Here I present an overview of this program and review current state-of-the-art calculations in meson spectroscopy from lattice QCD. I highlight recent progress in the extraction of resonant and coupled-channel amplitudes, along with frontier developments in three-body dynamics and the determination of meson photo-couplings. Together, these advances are bringing us closer to a comprehensive first-principles description of the excited meson spectrum.
ER  -