TY  - RPRT
TI  - Narrow Spectra in Heavy Quark Systems
AU  - Eichten, Estia [Fermilab] (ORCID:0000000305322300)
PY  - 2025
DO  - 10.48550/arxiv.2504.19972
UR  - https://www.osti.gov/biblio/2564421
ID  - 2564421
ER  -