@misc{indiciaec6d2f719edfb,
  title = {Narrow Spectra in Heavy Quark Systems},
  author = {Eichten, Estia [Fermilab] (ORCID:0000000305322300)},
  year = {2025},
  doi = {10.48550/arxiv.2504.19972},
  url = {https://www.osti.gov/biblio/2564421},
  note = {Source identifier: 2564421}
}